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Pool Calculator Glossary

Find the field behind a result, see what it means in context, and open every calculator that uses it.

Showing all 284 terms.

A

Acid type

Acid type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Muriatic 31% or CO2.

Related themes: Feed rate inputs

Used in 1 calculator: Commercial Chemical Feed Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Commercial Chemical Feed Rate CalculatoracidTypenot declaredNot declared

Active bathers

Active bathers is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: People actually in the water.

Related themes: Lifeguard ratio inputs

Used in 1 calculator: Lifeguard-to-Swimmer Ratio Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Lifeguard-to-Swimmer Ratio CalculatoractiveBathersnot declaredNot declared

Activity level

Activity level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Calm, moderate, vigorous, or kids' play.

Related themes: Splash-out inputs

Used in 1 calculator: Splash-Out Water Loss Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Splash-Out Water Loss CalculatorswimmerActivitynot declaredNot declared

Add-ons

Add-ons is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Heater, spa, waterfall, lighting, automation, fence, cover.

Related themes: Installation cost inputs

Used in 1 calculator: Pool Installation Cost Estimator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Installation Cost EstimatoraddOnsselectYesdefault none

Addition method

Addition method is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Skimmer sock or pre-dissolve — CYA is slow to dissolve.

Related themes: Cyanuric acid adjustment

Used in 1 calculator: Cyanuric Acid (CYA) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Cyanuric Acid (CYA) CalculatoradditionMethodnot declaredNot declared

Age group

Age group is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Adults, mixed, youth under 12, or learn-to-swim.

Related themes: Lifeguard ratio inputs

Used in 1 calculator: Lifeguard-to-Swimmer Ratio Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Lifeguard-to-Swimmer Ratio CalculatorageGroupnot declaredNot declared

Air temp

Air temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Heat loss inputs

Used in 1 calculator: Pool Heat Loss Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heat Loss Rate CalculatorairTempnot declaredNot declared

Air temperature

Air temperature is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Evaporation inputs · Leak comparison inputs

Used in 2 calculators: Pool Evaporation Rate Calculator, Leak vs Evaporation Comparison Tool

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CalculatorField keyControlUnitRequiredLimits / default
Pool Evaporation Rate CalculatorairTempnumber°FNomin 0; max 130; step 1; placeholder 85
Leak vs Evaporation Comparison ToolambientTempnot declaredNot declared

Algaecide type

Algaecide type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Polyquat (poly-60) is non-foaming and stain-free.

Related themes: Algaecide dose

Used in 1 calculator: Algaecide Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Algaecide Dosage CalculatoralgaecideTypenot declaredNot declared

Alkalinity (if tested)

Alkalinity (if tested) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Optional

Related themes: Pool opening inputs

Used in 1 calculator: Pool Opening Chemical Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Opening Chemical CalculatortotalAlkalinitynumberppmNomin 0; max 400; step 1; placeholder 100

Ambient temp

Ambient temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Average outdoor air.

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatoravgAmbientTemp_Fnot declaredNot declared

Annual heating demand

Annual heating demand is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Total BTU per year (from heat-loss × season).

Related themes: Comparison inputs

Used in 1 calculator: Gas vs Electric vs Heat Pump Cost Comparison

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CalculatorField keyControlUnitRequiredLimits / default
Gas vs Electric vs Heat Pump Cost ComparisontotalBTUperYearnumberBTU/yrYesmin 100000; step 100000; placeholder 5000000

Annual ownership cost

Annual ownership cost is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the ownership tool.

Related themes: Pool ROI inputs

Used in 1 calculator: Pool ROI & Property Value Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool ROI & Property Value CalculatorannualOwnershipCostnot declaredNot declared

Average air temp

Average air temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Outdoor air during heating season.

Related themes: Heat pump inputs

Used in 1 calculator: Heat Pump Sizing Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Heat Pump Sizing CalculatorambientTempnot declaredNot declared

Average depth

Average depth is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Water depth, not shell depth.

Related themes: Spa volume inputs · Installation cost inputs

Used in 2 calculators: Spa & Hot Tub Volume Calculator, Pool Installation Cost Estimator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Spa & Hot Tub Volume CalculatoravgDepthnot declaredNot declared
Pool Installation Cost EstimatoravgDepthnumberftNomin 3; max 12; step 0.1; placeholder 5.5

B

Backwash duration

Backwash duration is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Minutes per backwash.

Related themes: Backwash inputs · Backwash loss inputs

Used in 2 calculators: Backwash Volume & Water Loss Calculator, Backwash Water Loss Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorbackwashDurationnot declaredNot declared
Backwash Water Loss CalculatorbackwashDurationnot declaredNot declared

Backwash flow rate

Backwash flow rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: GPM during backwash.

Related themes: Backwash inputs · Backwash loss inputs

Used in 2 calculators: Backwash Volume & Water Loss Calculator, Backwash Water Loss Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorbackwashRatenot declaredNot declared
Backwash Water Loss CalculatorbackwashRatenot declaredNot declared

Backwash per year

Backwash per year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the backwash tool.

Related themes: Annual loss inputs

Used in 1 calculator: Annual Pool Water Loss Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Annual Pool Water Loss Cost CalculatorbackwashGallonsPerYearnot declaredNot declared

Backwashes per month

Backwashes per month is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Backwash inputs · Backwash loss inputs

Used in 2 calculators: Backwash Volume & Water Loss Calculator, Backwash Water Loss Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorbackwashesPerMonthnot declaredNot declared
Backwash Water Loss CalculatorbackwashesPerMonthnot declaredNot declared

Base over-dig

Base over-dig is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Extra depth for the gravel base.

Related themes: Excavation inputs

Used in 1 calculator: Pool Excavation Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Excavation Volume CalculatorbaseOverdigFtnot declaredNot declared

Bathers per hour

Bathers per hour is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Peak hourly bather load.

Related themes: Feed rate inputs

Used in 1 calculator: Commercial Chemical Feed Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Commercial Chemical Feed Rate CalculatorbatherLoadPerHournot declaredNot declared

Berm height

Berm height is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorbermHeightnot declaredNot declared

Berm length

Berm length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorbermLengthnot declaredNot declared

Berm profile

Berm profile is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Rectangular or tapering triangular profile.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorbermShapenot declaredNot declared

Berm width

Berm width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorbermWidthnot declaredNot declared

Bromine product

Bromine product is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Granular or tablets (BCDMH).

Related themes: Bromine dose

Used in 1 calculator: Bromine Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Bromine Dosage CalculatorbromineTypenot declaredNot declared

Bucket water drop

Bucket water drop is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Inches the bucket fell — this is pure evaporation.

Related themes: Bucket test inputs

Used in 1 calculator: Bucket Test Leak Detection Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Bucket Test Leak Detection CalculatorbucketDropInchesnot declaredNot declared

C

Cal-hypo 65% added

Cal-hypo 65% added is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The known amount you added, in lbs.

Related themes: Chlorine demand test

Used in 1 calculator: Chlorine Demand Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Chlorine Demand CalculatorchlorineAdded_lbsnot declaredNot declared

Calcium hardness

Calcium hardness is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm

Related themes: Water balance inputs · Inspection inputs

Used in 2 calculators: Langelier Saturation Index (LSI) Calculator, Pool Inspection Compliance Reference Tool

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CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) CalculatorcalciumHardnessnot declaredNot declared
Pool Inspection Compliance Reference ToolcalciumHardnessnumberppmYesmin 0; max 2000; step 1; placeholder 250

Calcium hardness (if tested)

Calcium hardness (if tested) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Optional

Related themes: Pool opening inputs

Used in 1 calculator: Pool Opening Chemical Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Opening Chemical CalculatorcalciumHardnessnumberppmNomin 0; max 1000; step 1; placeholder 250

Chemical

Chemical is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Chlorine, bromine, pH up/down, alkalinity, calcium, or shock.

Related themes: Spa dosage inputs

Used in 1 calculator: Spa Chemical Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Chemical Dosage CalculatorchemicalTypenot declaredNot declared

Chlorinator

Chlorinator is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Liquid 12.5%, cal-hypo 65%, or on-site generation.

Related themes: Feed rate inputs

Used in 1 calculator: Commercial Chemical Feed Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Commercial Chemical Feed Rate CalculatorchlorinatorTypenot declaredNot declared

Chlorine method

Chlorine method is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Tablet, liquid, salt-SWG, or cal-hypo.

Related themes: Annual chemical budget · Chemical budget inputs

Used in 2 calculators: Pool Chemical Annual Cost Tracker, Annual Chemical Cost Calculator (Budget)

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CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackerchlorineMethodnot declaredNot declared
Annual Chemical Cost Calculator (Budget)chlorineMethodnot declaredNot declared

Chlorine per month

Chlorine per month is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: lbs/month (or gal for liquid).

Related themes: Annual chemical budget · Chemical budget inputs

Used in 2 calculators: Pool Chemical Annual Cost Tracker, Annual Chemical Cost Calculator (Budget)

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CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackerchlorineMonthlyLbsnot declaredNot declared
Annual Chemical Cost Calculator (Budget)chlorineMonthlynot declaredNot declared

Chlorine price

Chlorine price is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per lb or gal.

Related themes: Annual chemical budget · Chemical budget inputs

Used in 2 calculators: Pool Chemical Annual Cost Tracker, Annual Chemical Cost Calculator (Budget)

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CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackerchlorinePricePerLbnot declaredNot declared
Annual Chemical Cost Calculator (Budget)chlorinePricenot declaredNot declared

Chlorine product

Chlorine product is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Pick the exact product you'll use — strength changes the dose.

Related themes: Chlorine dose · SLAM inputs

Used in 2 calculators: Free Chlorine Dosage Calculator, SLAM Protocol Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Free Chlorine Dosage CalculatorchlorineTypeselectYesdefault cal-hypo-65
SLAM Protocol CalculatorchlorineProductnot declaredNot declared

Chlorine type

Chlorine type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Liquid or on-site electrolytic.

Related themes: Disinfection inputs

Used in 1 calculator: Commercial Pool Disinfection (CT) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Commercial Pool Disinfection (CT) CalculatorchlorineTypenot declaredNot declared

Circuit amps

Circuit amps is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the breaker size.

Related themes: Wire gauge inputs

Used in 1 calculator: Pool Equipment Wire Gauge Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Equipment Wire Gauge CalculatorcircuitAmpsnot declaredNot declared

Circuit type

Circuit type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Dedicated spa circuit or shared pool pump.

Related themes: Spillover spa inputs

Used in 1 calculator: Spillover Spa Flow Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spillover Spa Flow Rate CalculatordedicatedSpaCircuitnot declaredNot declared

Circulation pump

Circulation pump is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Watts (runs 24/7).

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatorcirculationPumpWnot declaredNot declared

Climate zone

Climate zone is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Hot-sunny, moderate, or cool-cloudy.

Related themes: Solar sizing inputs

Used in 1 calculator: Solar Pool Heater Sizing Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Solar Pool Heater Sizing CalculatorclimateZonenot declaredNot declared

Cloudiness

Cloudiness is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Slightly, moderately, or very cloudy.

Related themes: Clarifier dose

Used in 1 calculator: Clarifier Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Clarifier Dosage CalculatorwaterClaritynot declaredNot declared

Compare to service?

Compare to service? is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Show DIY vs service cost.

Related themes: Chemical budget inputs

Used in 1 calculator: Annual Chemical Cost Calculator (Budget)

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CalculatorField keyControlUnitRequiredLimits / default
Annual Chemical Cost Calculator (Budget)serviceComparenot declaredNot declared

Concrete type

Concrete type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Gunite or shotcrete.

Related themes: Shell inputs

Used in 1 calculator: Concrete Pool Shell Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Concrete Pool Shell Volume CalculatorconcreteTypenot declaredNot declared

Conductor

Conductor is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Copper or aluminum.

Related themes: Voltage drop inputs

Used in 1 calculator: Pool Circuit Voltage Drop Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Circuit Voltage Drop CalculatorconductorMaterialnot declaredNot declared

Controller

Controller is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Watts.

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatorcontrollerWnot declaredNot declared

Coping width

Coping width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Typically 12 inches.

Related themes: Coping inputs

Used in 1 calculator: Pool Coping Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Coping CalculatorcopingWidthnot declaredNot declared

Cost per gate

Cost per gate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Self-latching, self-closing.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorgateCostEachnot declaredNot declared

Cost per shock

Cost per shock is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $

Related themes: Annual chemical budget

Used in 1 calculator: Pool Chemical Annual Cost Tracker

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CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackershockCostEachnot declaredNot declared

Cost per visit

Cost per visit is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $

Related themes: Maintenance cost inputs

Used in 1 calculator: Monthly Pool Maintenance Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Monthly Pool Maintenance Cost CalculatorvisitCostnot declaredNot declared

Cover type

Cover type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: None, solar bubble, solid, or liquid.

Related themes: Heat loss inputs

Used in 1 calculator: Pool Heat Loss Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heat Loss Rate CalculatorcoverUsednot declaredNot declared

Current alkalinity

Current alkalinity is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm

Related themes: Winterization inputs

Used in 1 calculator: Pool Winterization Chemical Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Winterization Chemical CalculatorcurrentTAnot declaredNot declared

Current borate

Current borate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From a borate test strip, in ppm.

Related themes: Borate dose

Used in 1 calculator: Borate (Borax) Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Borate (Borax) Dosage CalculatorcurrentBoratenot declaredNot declared

Current bromine

Current bromine is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Bromine dose

Used in 1 calculator: Bromine Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Bromine Dosage CalculatorcurrentBrominenot declaredNot declared

Current calcium hardness

Current calcium hardness is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Calcium hardness adjustment · Winterization inputs

Used in 2 calculators: Calcium Hardness Adjustment Calculator, Pool Winterization Chemical Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Calcium Hardness Adjustment CalculatorcurrentCHnot declaredNot declared
Pool Winterization Chemical CalculatorcurrentCHnot declaredNot declared

Current cyanuric acid

Current cyanuric acid is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Cyanuric acid adjustment · Winterization inputs

Used in 2 calculators: Cyanuric Acid (CYA) Calculator, Pool Winterization Chemical Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Cyanuric Acid (CYA) CalculatorcurrentCYAnot declaredNot declared
Pool Winterization Chemical CalculatorcurrentCYAnot declaredNot declared

Current free chlorine

Current free chlorine is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Shock dose · Disinfection inputs · Winterization inputs · SLAM inputs

Used in 4 calculators: Pool Shock Treatment Calculator, Commercial Pool Disinfection (CT) Calculator, Pool Winterization Chemical Calculator, SLAM Protocol Calculator

View 4 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Shock Treatment CalculatorcurrentFCnot declaredNot declared
Commercial Pool Disinfection (CT) CalculatorcurrentFCnot declaredNot declared
Pool Winterization Chemical CalculatorcurrentFCnot declaredNot declared
SLAM Protocol CalculatorcurrentFCnot declaredNot declared

Current free chlorine (FC)

Current free chlorine (FC) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Chlorine dose

Used in 1 calculator: Free Chlorine Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Free Chlorine Dosage CalculatorcurrentFCnumberppmYesmin 0; max 20; step 0.1; placeholder 1

Current level

Current level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit.

Related themes: Spa dosage inputs

Used in 1 calculator: Spa Chemical Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Chemical Dosage CalculatorcurrentLevelnot declaredNot declared

Current pH

Current pH is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit.

Related themes: pH adjustment · Borate dose · Winterization inputs

Used in 3 calculators: Pool pH Adjustment Calculator, Borate (Borax) Dosage Calculator, Pool Winterization Chemical Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool pH Adjustment CalculatorcurrentPHnot declaredNot declared
Borate (Borax) Dosage CalculatorcurrentPHnot declaredNot declared
Pool Winterization Chemical CalculatorcurrentPHnot declaredNot declared

Current phosphates

Current phosphates is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From a phosphate test, in ppb.

Related themes: Phosphate remover dose

Used in 1 calculator: Phosphate Remover Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Phosphate Remover Dosage CalculatorcurrentPhosphatesnot declaredNot declared

Current salt level

Current salt level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From a test strip or your SWG display, in ppm.

Related themes: Salt adjustment

Used in 1 calculator: Salt Level Calculator (SWG)

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CalculatorField keyControlUnitRequiredLimits / default
Salt Level Calculator (SWG)currentSaltnot declaredNot declared

Current sand charge

Current sand charge is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Pounds of sand the filter holds.

Related themes: Glass media inputs

Used in 1 calculator: Glass Media Filter Conversion Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Glass Media Filter Conversion CalculatorcurrentSandLbsnot declaredNot declared

Current speed

Current speed is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: % of full speed (single-speed = 100%).

Related themes: VSP savings inputs

Used in 1 calculator: Variable Speed Pump Energy Savings Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Variable Speed Pump Energy Savings CalculatorcurrentSpeednot declaredNot declared

Current surface

Current surface is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: What you're replacing.

Related themes: Resurfacing inputs

Used in 1 calculator: Pool Resurfacing Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Resurfacing Cost CalculatorcurrentSurfacenot declaredNot declared

Current TDS

Current TDS is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From a TDS meter, in ppm.

Related themes: TDS dilution

Used in 1 calculator: TDS Dilution Calculator

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CalculatorField keyControlUnitRequiredLimits / default
TDS Dilution CalculatorcurrentTDSnot declaredNot declared

Current temp

Current temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Spa heating inputs

Used in 1 calculator: Spa Heating Time & Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Heating Time & Cost CalculatorcurrentTempnot declaredNot declared

Current total alkalinity

Current total alkalinity is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Alkalinity adjustment

Used in 1 calculator: Total Alkalinity Adjustment Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Alkalinity Adjustment CalculatorcurrentTAnot declaredNot declared

Current water temp

Current water temp is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Heater sizing inputs · Heat time inputs

Used in 2 calculators: Pool Heater BTU Calculator, Time to Heat Pool Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heater BTU CalculatorcurrentTempnot declaredNot declared
Time to Heat Pool CalculatorcurrentTempnot declaredNot declared

Custom sq ft / bather

Custom sq ft / bather is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: If using a custom standard.

Related themes: Bather load inputs

Used in 1 calculator: Pool Bather Load Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Bather Load CalculatorcustomSqFtPerBathernot declaredNot declared

Cyanuric acid

Cyanuric acid is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: CYA reduces effective alkalinity.

Related themes: Water balance inputs · Disinfection inputs · Inspection inputs · SLAM inputs

Used in 4 calculators: Langelier Saturation Index (LSI) Calculator, Commercial Pool Disinfection (CT) Calculator, Pool Inspection Compliance Reference Tool, SLAM Protocol Calculator

View 4 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) CalculatorcyaConcentrationnot declaredNot declared
Commercial Pool Disinfection (CT) Calculatorcyanot declaredNot declared
Pool Inspection Compliance Reference ToolcyanumberppmYesmin 0; max 300; step 1; placeholder 30
SLAM Protocol CalculatorcurrentCYAnot declaredNot declared

D

Daily FC loss

Daily FC loss is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm/day consumed during the SLAM.

Related themes: SLAM inputs

Used in 1 calculator: SLAM Protocol Calculator

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CalculatorField keyControlUnitRequiredLimits / default
SLAM Protocol CalculatorestimatedDailyFCLossnot declaredNot declared

Daily turnovers

Daily turnovers is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Residential target is 1–2 per day.

Related themes: Flow rate inputs

Used in 1 calculator: Pool Pump Flow Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Flow Rate CalculatordesiredTurnoversnot declaredNot declared

Deck material

Deck material is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Concrete, travertine, pavers, composite, cool-deck.

Related themes: Decking inputs

Used in 1 calculator: Pool Deck Square Footage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Deck Square Footage CalculatordeckMaterialnot declaredNot declared

Deep end depth

Deep end depth is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool dimensions · Pool surface area & depth · Excavation inputs · Shell inputs · Gunite inputs · Plaster inputs · Slope design inputs

Used in 10 calculators: Rectangular Pool Volume Calculator, Round Pool Volume Calculator, Oval Pool Volume Calculator, Kidney-Shaped Pool Volume Calculator, Freeform Pool Volume Calculator, Pool Excavation Volume Calculator, Concrete Pool Shell Volume Calculator, Gunite / Shotcrete Volume Calculator, Pool Plaster Surface Area Calculator, Pool Depth Profile & Slope Calculator

View 10 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatordeepDepthnumberftYesmin 1; max 20; step any; placeholder 8
Round Pool Volume CalculatordeepDepthnot declaredNot declared
Oval Pool Volume CalculatordeepDepthnot declaredNot declared
Kidney-Shaped Pool Volume CalculatordeepDepthnot declaredNot declared
Freeform Pool Volume CalculatordeepDepthnot declaredNot declared
Pool Excavation Volume CalculatordeepDepthnot declaredNot declared
Concrete Pool Shell Volume CalculatordeepDepthnot declaredNot declared
Gunite / Shotcrete Volume CalculatordeepDepthnot declaredNot declared
Pool Plaster Surface Area CalculatordeepDepthnot declaredNot declared
Pool Depth Profile & Slope CalculatordeepEndDepthnot declaredNot declared

Desired flow rate

Desired flow rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Target GPM for your turnover goal.

Related themes: Pump sizing inputs

Used in 1 calculator: Pool Pump Sizing Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Sizing CalculatordesiredFlowRatenumberGPMYesmin 10; max 300; step 1; placeholder 60

Diameter

Diameter is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Measure straight across the widest point of the water surface.

Related themes: Pool dimensions

Used in 1 calculator: Round Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Round Pool Volume Calculatordiameternot declaredNot declared

Discharge elbows

Discharge elbows is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Count of 90° elbows after the pump.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatornumDischargeElbowsnot declaredNot declared

Discharge pipe length

Discharge pipe length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatordischargePipeLengthnot declaredNot declared

Discharge pipe size

Discharge pipe size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Diameter of the line after the pump.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatordischargePipeDiameternot declaredNot declared

E

Electric heater

Electric heater is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: kW (0 if gas).

Related themes: Total load inputs

Used in 1 calculator: Total Pool Electrical Load Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Pool Electrical Load CalculatorheaterKWnot declaredNot declared

Electric rate

Electric rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per kWh (for electric/heat pump).

Related themes: Heating cost inputs · Cover savings inputs · Comparison inputs · Annual energy inputs · Spa heating inputs · Spa energy inputs · Ownership cost inputs

Used in 7 calculators: Pool Heating Cost Calculator, Solar Cover Heat Retention Calculator, Gas vs Electric vs Heat Pump Cost Comparison, Pool Annual Energy Cost Calculator, Spa Heating Time & Cost Calculator, Spa Energy Cost Calculator, Annual Pool Ownership Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatorelectricRatenot declaredNot declared
Solar Cover Heat Retention CalculatorelectricRatenot declaredNot declared
Gas vs Electric vs Heat Pump Cost ComparisonelectricRatenumber$/kWhNomin 0.05; max 0.5; step 0.001; default 0.14
Pool Annual Energy Cost CalculatorelectricRatenot declaredNot declared
Spa Heating Time & Cost CalculatorelectricRatenot declaredNot declared
Spa Energy Cost CalculatorelectricRatenot declaredNot declared
Annual Pool Ownership Cost CalculatorelectricRatenot declaredNot declared

Electricity rate

Electricity rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per kWh from your bill.

Related themes: VSP savings inputs

Used in 1 calculator: Variable Speed Pump Energy Savings Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Variable Speed Pump Energy Savings CalculatorelectricityRatenot declaredNot declared

Enclosure length

Enclosure length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The fenced area, not the pool itself.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorenclosureLengthnot declaredNot declared

Enclosure width

Enclosure width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorenclosureWidthnot declaredNot declared

Evaporation per year

Evaporation per year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the evaporation tool.

Related themes: Annual loss inputs

Used in 1 calculator: Annual Pool Water Loss Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Annual Pool Water Loss Cost CalculatorevapGallonsPerYearnot declaredNot declared

F

FC after 30 min

FC after 30 min is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm, measured 30 minutes after dosing.

Related themes: Chlorine demand test

Used in 1 calculator: Chlorine Demand Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Chlorine Demand CalculatorhoursLater_FCnot declaredNot declared

FC before dosing

FC before dosing is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm, just before you add chlorine.

Related themes: Chlorine demand test

Used in 1 calculator: Chlorine Demand Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Chlorine Demand CalculatorcurrentFCnot declaredNot declared

Feature type

Feature type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Bubbling rock, sheer descent, scupper, laminar, or spray.

Related themes: Feature pump inputs

Used in 1 calculator: Fountain & Water Feature Pump Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Fountain & Water Feature Pump Sizing CalculatorfeatureTypenot declaredNot declared

Feature width

Feature width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: For sheer descent / scupper.

Related themes: Feature pump inputs

Used in 1 calculator: Fountain & Water Feature Pump Sizing Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Fountain & Water Feature Pump Sizing CalculatorfeatureWidthnot declaredNot declared

Fence style

Fence style is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Aluminum, vinyl, wood, glass, or removable mesh.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorfenceStylenot declaredNot declared

Fill level

Fill level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: % full — spas seldom fill to the brim.

Related themes: Spa volume inputs

Used in 1 calculator: Spa & Hot Tub Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa & Hot Tub Volume CalculatorfillPercentnot declaredNot declared

Fill rate

Fill rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: GPM from the hose.

Related themes: Spa volume inputs

Used in 1 calculator: Spa & Hot Tub Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa & Hot Tub Volume CalculatorfillRatenot declaredNot declared

Fill type

Fill type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Topsoil, fill dirt, sand, or gravel.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorfillTypenot declaredNot declared

Fill water TDS

Fill water TDS is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Test your tap or well water; often 200–400 ppm.

Related themes: TDS dilution

Used in 1 calculator: TDS Dilution Calculator

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CalculatorField keyControlUnitRequiredLimits / default
TDS Dilution CalculatorfreshwaterTDSnot declaredNot declared

Filter size

Filter size is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Tank diameter.

Related themes: Backwash inputs · Glass media inputs

Used in 2 calculators: Backwash Volume & Water Loss Calculator, Glass Media Filter Conversion Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorfilterSizenot declaredNot declared
Glass Media Filter Conversion CalculatorfilterTypenot declaredNot declared

Filter type

Filter type is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Each filter adds its own head loss.

Related themes: System resistance · Backwash inputs

Used in 2 calculators: Total Dynamic Head (TDH) Calculator, Backwash Volume & Water Loss Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatorfilterTypenot declaredNot declared
Backwash Volume & Water Loss CalculatorfilterTypenot declaredNot declared

Finish type

Finish type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: White, quartz, pebble, or glass bead.

Related themes: Plaster inputs

Used in 1 calculator: Pool Plaster Surface Area Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Plaster Surface Area CalculatorplasterTypenot declaredNot declared

Flow per jet

Flow per jet is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: GPM each deck jet uses.

Related themes: Deck jet inputs

Used in 1 calculator: Deck Jet Arc Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Deck Jet Arc CalculatorgpmPerJetnot declaredNot declared

Flow rate

Flow rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Design GPM.

Related themes: System resistance · Friction loss inputs · Pipe sizing inputs · Flow velocity inputs

Used in 4 calculators: Total Dynamic Head (TDH) Calculator, Pipe Friction Loss Calculator, Pool Pipe Sizing Calculator, Flow Velocity Calculator

View 4 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatorflowRatenot declaredNot declared
Pipe Friction Loss CalculatorflowRatenot declaredNot declared
Pool Pipe Sizing CalculatorflowRatenot declaredNot declared
Flow Velocity CalculatorflowRatenot declaredNot declared

Free chlorine

Free chlorine is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Breakpoint dose · Inspection inputs

Used in 2 calculators: Breakpoint Chlorination Calculator, Pool Inspection Compliance Reference Tool

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Breakpoint Chlorination CalculatorfreeChlorinenot declaredNot declared
Pool Inspection Compliance Reference ToolfreeChlorinenumberppmYesmin 0; max 20; step 0.1; placeholder 0.8

Free chlorine (if tested)

Free chlorine (if tested) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Optional

Related themes: Pool opening inputs

Used in 1 calculator: Pool Opening Chemical Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Opening Chemical CalculatorfreeChlorinenumberppmNomin 0; max 20; step 0.1; placeholder 0

Fuel rate

Fuel rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per therm or gallon.

Related themes: Annual energy inputs

Used in 1 calculator: Pool Annual Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Annual Energy Cost CalculatorfuelRatenot declaredNot declared

G

Gas rate

Gas rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per therm (for gas).

Related themes: Heating cost inputs · Ownership cost inputs

Used in 2 calculators: Pool Heating Cost Calculator, Annual Pool Ownership Cost Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatorgasRatenot declaredNot declared
Annual Pool Ownership Cost CalculatorgasRatenot declaredNot declared

Glass media factor

Glass media factor is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Glass fills ~80% of sand weight.

Related themes: Glass media inputs

Used in 1 calculator: Glass Media Filter Conversion Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Glass Media Filter Conversion CalculatorglassMediaFactornot declaredNot declared

Grid spacing

Grid spacing is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Center-to-center, often 6–12 inches.

Related themes: Rebar inputs

Used in 1 calculator: Pool Rebar Quantity Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Rebar Quantity CalculatorrebarSpacingInnot declaredNot declared

H

Hardness value

Hardness value is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Hardness converter

Used in 1 calculator: Water Hardness Unit Converter

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CalculatorField keyControlUnitRequiredLimits / default
Water Hardness Unit ConverterinputValuenumberYesmin 0; step any; placeholder 12

Head height

Head height is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Vertical rise to the feature.

Related themes: Feature pump inputs

Used in 1 calculator: Fountain & Water Feature Pump Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Fountain & Water Feature Pump Sizing CalculatorheadFtnot declaredNot declared

Heat pump COP

Heat pump COP is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: For heat pumps only.

Related themes: Heating cost inputs · Comparison inputs

Used in 2 calculators: Pool Heating Cost Calculator, Gas vs Electric vs Heat Pump Cost Comparison

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatorcopValuenot declaredNot declared
Gas vs Electric vs Heat Pump Cost ComparisonheatPumpCOPnumberNomin 2; max 7; step 0.1; default 5

Heater efficiency

Heater efficiency is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: AFUE % for gas; ~99% electric resistance.

Related themes: Heating cost inputs · Heat time inputs

Used in 2 calculators: Pool Heating Cost Calculator, Time to Heat Pool Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatorheaterEfficiencynot declaredNot declared
Time to Heat Pool CalculatorheaterEfficiencynot declaredNot declared

Heater fuel

Heater fuel is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Electric, natural gas, or propane.

Related themes: Annual energy inputs

Used in 1 calculator: Pool Annual Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Annual Energy Cost CalculatorfuelTypenot declaredNot declared

Heater power

Heater power is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: kW (electric spa ~5.5).

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatorheaterKWnot declaredNot declared

Heater rating

Heater rating is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: BTU/hr from the heater label.

Related themes: Heat time inputs · Annual energy inputs · Spa heating inputs

Used in 3 calculators: Time to Heat Pool Calculator, Pool Annual Energy Cost Calculator, Spa Heating Time & Cost Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Time to Heat Pool CalculatorheaterBTUpHnot declaredNot declared
Pool Annual Energy Cost CalculatorheaterBTUpHnot declaredNot declared
Spa Heating Time & Cost CalculatorheaterBTUpHnot declaredNot declared

Heater run hours/day

Heater run hours/day is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: During heating season.

Related themes: Annual energy inputs

Used in 1 calculator: Pool Annual Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Annual Energy Cost CalculatorheaterDailyHoursnot declaredNot declared

Heater type

Heater type is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Gas, propane, electric, or heat pump.

Related themes: Heating cost inputs · Spa heating inputs · Ownership cost inputs

Used in 3 calculators: Pool Heating Cost Calculator, Spa Heating Time & Cost Calculator, Annual Pool Ownership Cost Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatorheaterTypenot declaredNot declared
Spa Heating Time & Cost CalculatorheaterTypenot declaredNot declared
Annual Pool Ownership Cost CalculatorheaterTypenot declaredNot declared

Heating months/year

Heating months/year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Annual energy inputs

Used in 1 calculator: Pool Annual Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Annual Energy Cost CalculatorheatingMonthsnot declaredNot declared

Heating window

Heating window is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: How many hours you'll allow to reach target.

Related themes: Heater sizing inputs

Used in 1 calculator: Pool Heater BTU Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heater BTU CalculatorheatingWindowHrsnot declaredNot declared

Home value

Home value is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool ROI inputs

Used in 1 calculator: Pool ROI & Property Value Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool ROI & Property Value CalculatorhomeValuenot declaredNot declared

Hose / fill rate

Hose / fill rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Garden hose: 5–17 GPM depending on pressure & diameter.

Related themes: Pool dimensions · Pool surface area & depth · Pool sections

Used in 6 calculators: Rectangular Pool Volume Calculator, Round Pool Volume Calculator, Oval Pool Volume Calculator, Kidney-Shaped Pool Volume Calculator, Freeform Pool Volume Calculator, L-Shaped Pool Volume Calculator

View 6 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatorfillRatenumberGPMNomin 1; max 500; step any; default 9
Round Pool Volume CalculatorfillRatenot declaredNot declared
Oval Pool Volume CalculatorfillRatenot declaredNot declared
Kidney-Shaped Pool Volume CalculatorfillRatenot declaredNot declared
Freeform Pool Volume CalculatorfillRatenot declaredNot declared
L-Shaped Pool Volume CalculatorfillRatenot declaredNot declared

Hours uncovered

Hours uncovered is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Overnight hours you'd otherwise leave it open.

Related themes: Cover savings inputs

Used in 1 calculator: Solar Cover Heat Retention Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Solar Cover Heat Retention CalculatorhoursWithoutCovernot declaredNot declared

Humidity

Humidity is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: %

Related themes: Heat loss inputs · Evaporation inputs · Leak comparison inputs

Used in 3 calculators: Pool Heat Loss Rate Calculator, Pool Evaporation Rate Calculator, Leak vs Evaporation Comparison Tool

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heat Loss Rate Calculatorhumiditynot declaredNot declared
Pool Evaporation Rate Calculatorhumiditynumber%Yesmin 0; max 100; step 1; placeholder 50
Leak vs Evaporation Comparison Toolhumiditynot declaredNot declared

I

Inactivation target

Inactivation target is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Giardia, Crypto, or E. coli to a log reduction.

Related themes: Disinfection inputs

Used in 1 calculator: Commercial Pool Disinfection (CT) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Commercial Pool Disinfection (CT) CalculatorinactivationTargetnot declaredNot declared

Input unit

Input unit is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm CaCO3, gpg, mg/L Ca, °dH, °fH, or mmol/L.

Related themes: Hardness converter

Used in 1 calculator: Water Hardness Unit Converter

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Water Hardness Unit ConverterinputUnitselectYesdefault ppm-caco3

J

Jet hours/day

Jet hours/day is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatorhoursJetsPerDaynot declaredNot declared

Jet pump

Jet pump is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: HP.

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatorjetPumpHPnot declaredNot declared

L

Lap & waste factor

Lap & waste factor is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ~15% extra for laps and offcuts.

Related themes: Rebar inputs

Used in 1 calculator: Pool Rebar Quantity Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Rebar Quantity CalculatoroverlapFactornot declaredNot declared

Launch height

Launch height is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Nozzle height above the water.

Related themes: Deck jet inputs

Used in 1 calculator: Deck Jet Arc Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Deck Jet Arc CalculatorlaunchHeightFtnot declaredNot declared

Leak per year

Leak per year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the bucket test (0 if none).

Related themes: Annual loss inputs

Used in 1 calculator: Annual Pool Water Loss Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Annual Pool Water Loss Cost CalculatorleakGallonsPerYearnot declaredNot declared

Length

Length is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Longest straight-line distance from end to end.

Related themes: Pool dimensions · Spa volume inputs · Installation cost inputs

Used in 4 calculators: Rectangular Pool Volume Calculator, Kidney-Shaped Pool Volume Calculator, Spa & Hot Tub Volume Calculator, Pool Installation Cost Estimator

View 4 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatorlengthnumberftYesmin 1; max 300; step any; placeholder 32
Kidney-Shaped Pool Volume Calculatorlengthnot declaredNot declared
Spa & Hot Tub Volume Calculatorlengthnot declaredNot declared
Pool Installation Cost EstimatorlengthnumberftYesmin 8; max 100; step 1; placeholder 32

Length (long axis)

Length (long axis) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The longest straight-line distance across the water.

Related themes: Pool dimensions

Used in 1 calculator: Oval Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Oval Pool Volume Calculatorlengthnot declaredNot declared

Length / diameter

Length / diameter is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Use diameter for round pools.

Related themes: Coping inputs

Used in 1 calculator: Pool Coping Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Coping Calculatorlengthnot declaredNot declared

Lighting

Lighting is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Total watts of pool/landscape lights.

Related themes: Total load inputs

Used in 1 calculator: Total Pool Electrical Load Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Total Pool Electrical Load CalculatorlightingWattsnot declaredNot declared

Line type

Line type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Suction, return, or main drain — each has its own velocity range.

Related themes: Pipe sizing inputs

Used in 1 calculator: Pool Pipe Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Pipe Sizing CalculatorpipeTypenot declaredNot declared

Load amps

Load amps is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Actual running current.

Related themes: Voltage drop inputs

Used in 1 calculator: Pool Circuit Voltage Drop Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Circuit Voltage Drop CalculatorloadAmpsnot declaredNot declared

Load type

Load type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Pool pumps run >3 hrs = continuous per NEC.

Related themes: Breaker sizing inputs

Used in 1 calculator: Pool Pump Breaker Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Breaker Sizing CalculatorloadTypenot declaredNot declared

Local water rate

Local water rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Average US municipal water: $0.004–0.008 / gallon.

Related themes: Pool dimensions · Pool surface area & depth · Pool sections

Used in 6 calculators: Rectangular Pool Volume Calculator, Round Pool Volume Calculator, Oval Pool Volume Calculator, Kidney-Shaped Pool Volume Calculator, Freeform Pool Volume Calculator, L-Shaped Pool Volume Calculator

View 6 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatorwaterCostRatenumber$/galNomin 0; step 0.001; default 0.005
Round Pool Volume CalculatorwaterCostRatenot declaredNot declared
Oval Pool Volume CalculatorwaterCostRatenot declaredNot declared
Kidney-Shaped Pool Volume CalculatorwaterCostRatenot declaredNot declared
Freeform Pool Volume CalculatorwaterCostRatenot declaredNot declared
L-Shaped Pool Volume CalculatorwaterCostRatenot declaredNot declared

Lower pH with

Lower pH with is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Muriatic acid or dry acid.

Related themes: pH adjustment

Used in 1 calculator: Pool pH Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool pH Adjustment CalculatorlowerProductnot declaredNot declared

Lower TA with

Lower TA with is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Acid lowers both TA and pH.

Related themes: Alkalinity adjustment

Used in 1 calculator: Total Alkalinity Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Alkalinity Adjustment CalculatorlowerProductnot declaredNot declared

M

Maintain temp

Maintain temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: °F you hold the spa at.

Related themes: Spa energy inputs

Used in 1 calculator: Spa Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa Energy Cost CalculatoravgTempMaintain_Fnot declaredNot declared

Maintenance

Maintenance is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Self or service company.

Related themes: Ownership cost inputs

Used in 1 calculator: Annual Pool Ownership Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Annual Pool Ownership Cost CalculatorselfMaintainednot declaredNot declared

Maintenance type

Maintenance type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Full service, chemical-only, or self.

Related themes: Maintenance cost inputs

Used in 1 calculator: Monthly Pool Maintenance Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Monthly Pool Maintenance Cost CalculatormaintenanceTypenot declaredNot declared

Material

Material is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Travertine, brick, concrete, or stone.

Related themes: Coping inputs

Used in 1 calculator: Pool Coping Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Coping CalculatorcopingMaterialnot declaredNot declared

Max voltage drop

Max voltage drop is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: 3% recommended.

Related themes: Wire gauge inputs

Used in 1 calculator: Pool Equipment Wire Gauge Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Equipment Wire Gauge CalculatormaxVoltageDropPercentnot declaredNot declared

Motor horsepower

Motor horsepower is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the pump's nameplate.

Related themes: Breaker sizing inputs

Used in 1 calculator: Pool Pump Breaker Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Breaker Sizing CalculatormotorHPnot declaredNot declared

Motor type

Motor type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Single-phase or three-phase.

Related themes: Breaker sizing inputs

Used in 1 calculator: Pool Pump Breaker Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Breaker Sizing CalculatormotorTypenot declaredNot declared

N

Natural gas rate

Natural gas rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per therm.

Related themes: Comparison inputs

Used in 1 calculator: Gas vs Electric vs Heat Pump Cost Comparison

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Gas vs Electric vs Heat Pump Cost ComparisongasRatenumber$/thermNomin 0.5; max 10; step 0.01; default 1.5

New surface

New surface is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Plaster, quartz, pebble, etc.

Related themes: Resurfacing inputs

Used in 1 calculator: Pool Resurfacing Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Resurfacing Cost CalculatornewSurfacenot declaredNot declared

Night air temp

Night air temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Cover savings inputs

Used in 1 calculator: Solar Cover Heat Retention Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Solar Cover Heat Retention CalculatornightAirTempnot declaredNot declared

Nozzle angle

Nozzle angle is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Launch angle; 45° gives the longest arc.

Related themes: Deck jet inputs

Used in 1 calculator: Deck Jet Arc Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Deck Jet Arc CalculatornozzleAngleDegreesnot declaredNot declared

Nozzle count

Nozzle count is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: For laminar / spray jets.

Related themes: Feature pump inputs

Used in 1 calculator: Fountain & Water Feature Pump Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Fountain & Water Feature Pump Sizing CalculatornozzleCountnot declaredNot declared

Number of gates

Number of gates is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorgateCountnot declaredNot declared

Number of jets

Number of jets is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Deck jet inputs

Used in 1 calculator: Deck Jet Arc Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Deck Jet Arc CalculatornumJetsnot declaredNot declared

Number of swimmers

Number of swimmers is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Typical per session.

Related themes: Splash-out inputs

Used in 1 calculator: Splash-Out Water Loss Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Splash-Out Water Loss CalculatornumSwimmersnot declaredNot declared

O

Observed drop / 24 hrs

Observed drop / 24 hrs is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: How much the pool actually fell.

Related themes: Leak comparison inputs

Used in 1 calculator: Leak vs Evaporation Comparison Tool

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Leak vs Evaporation Comparison ToolobservedDropInches_24hrnot declaredNot declared

Operating hours/day

Operating hours/day is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Commercial turnover inputs

Used in 1 calculator: Commercial Pool Turnover Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Commercial Pool Turnover Rate CalculatoroperatingHoursPerDaynot declaredNot declared

ORP reading

ORP reading is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your controller or meter, in millivolts (mV).

Related themes: ORP reference

Used in 1 calculator: ORP vs Free Chlorine Reference Tool

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
ORP vs Free Chlorine Reference Toolorpnot declaredNot declared

Other equipment

Other equipment is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Automation, actuators, etc. (watts).

Related themes: Total load inputs

Used in 1 calculator: Total Pool Electrical Load Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Pool Electrical Load CalculatorotherEquipmentWnot declaredNot declared

Other supplies / month

Other supplies / month is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per month.

Related themes: Annual chemical budget

Used in 1 calculator: Pool Chemical Annual Cost Tracker

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackerotherMonthlynot declaredNot declared

Own chemicals/month

Own chemicals/month is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ if self-maintained.

Related themes: Maintenance cost inputs

Used in 1 calculator: Monthly Pool Maintenance Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Monthly Pool Maintenance Cost CalculatorownChemicalMonthlynot declaredNot declared

P

pH

pH is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ORP is strongly pH-dependent.

Related themes: Water balance inputs · ORP reference · Inspection inputs

Used in 3 calculators: Langelier Saturation Index (LSI) Calculator, ORP vs Free Chlorine Reference Tool, Pool Inspection Compliance Reference Tool

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) CalculatorpHnot declaredNot declared
ORP vs Free Chlorine Reference ToolpHnot declaredNot declared
Pool Inspection Compliance Reference ToolpHnumberYesmin 6; max 9; step 0.1; placeholder 7.9

pH (if tested)

pH (if tested) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Optional

Related themes: Pool opening inputs

Used in 1 calculator: Pool Opening Chemical Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Opening Chemical CalculatorpHnumberNomin 6; max 9; step 0.1; placeholder 7.4

pH chemicals / month

pH chemicals / month is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per month.

Related themes: Annual chemical budget

Used in 1 calculator: Pool Chemical Annual Cost Tracker

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackerphChemicalsMonthlynot declaredNot declared

pH chemicals/month

pH chemicals/month is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $

Related themes: Chemical budget inputs

Used in 1 calculator: Annual Chemical Cost Calculator (Budget)

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Annual Chemical Cost Calculator (Budget)phChemicalsMonthlynot declaredNot declared

Pipe diameter

Pipe diameter is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Nominal pipe size.

Related themes: Friction loss inputs · Flow velocity inputs

Used in 2 calculators: Pipe Friction Loss Calculator, Flow Velocity Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pipe Friction Loss CalculatorpipeDiameternot declaredNot declared
Flow Velocity CalculatorpipeDiameternot declaredNot declared

Pipe length

Pipe length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Total straight run.

Related themes: Friction loss inputs

Used in 1 calculator: Pipe Friction Loss Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pipe Friction Loss CalculatorpipeLengthnot declaredNot declared

Pipe material

Pipe material is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: PVC, copper, or ABS — sets the roughness factor.

Related themes: Friction loss inputs

Used in 1 calculator: Pipe Friction Loss Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pipe Friction Loss CalculatorpipeMaterialnot declaredNot declared

Pipe size

Pipe size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Feed line diameter.

Related themes: Waterfall inputs

Used in 1 calculator: Waterfall Flow Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Waterfall Flow Rate CalculatorpipeSizenot declaredNot declared

Pool / spa volume

Pool / spa volume is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Bromine dose

Used in 1 calculator: Bromine Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Bromine Dosage CalculatorpoolVolumenot declaredNot declared

Pool condition

Pool condition is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Helps explain the likely cause.

Related themes: Chlorine demand test · SLAM inputs

Used in 2 calculators: Chlorine Demand Calculator, SLAM Protocol Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Chlorine Demand CalculatorpoolConditionnot declaredNot declared
SLAM Protocol CalculatorpoolConditionnot declaredNot declared

Pool install cost

Pool install cost is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the installation estimator.

Related themes: Pool ROI inputs

Used in 1 calculator: Pool ROI & Property Value Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool ROI & Property Value CalculatorpoolInstallCostnot declaredNot declared

Pool length

Pool length is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Working room is added automatically.

Related themes: Excavation inputs · Shell inputs · Gunite inputs · Decking inputs · Plaster inputs · Slope design inputs

Used in 6 calculators: Pool Excavation Volume Calculator, Concrete Pool Shell Volume Calculator, Gunite / Shotcrete Volume Calculator, Pool Deck Square Footage Calculator, Pool Plaster Surface Area Calculator, Pool Depth Profile & Slope Calculator

View 6 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Excavation Volume Calculatorlengthnot declaredNot declared
Concrete Pool Shell Volume CalculatorpoolLengthnot declaredNot declared
Gunite / Shotcrete Volume CalculatorpoolLengthnot declaredNot declared
Pool Deck Square Footage CalculatorpoolLengthnot declaredNot declared
Pool Plaster Surface Area CalculatorpoolLengthnot declaredNot declared
Pool Depth Profile & Slope CalculatorpoolLengthnot declaredNot declared

Pool perimeter

Pool perimeter is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Total distance around the pool edge.

Related themes: Tile inputs

Used in 1 calculator: Pool Tile Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Tile CalculatorpoolPerimeternot declaredNot declared

Pool shape

Pool shape is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Rectangular, round, oval, or freeform.

Related themes: Coping inputs · Plaster inputs

Used in 2 calculators: Pool Coping Calculator, Pool Plaster Surface Area Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Coping CalculatorpoolShapenot declaredNot declared
Pool Plaster Surface Area CalculatorpoolShapenot declaredNot declared

Pool size

Pool size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Surface area in square feet.

Related themes: Comparison inputs

Used in 1 calculator: Above-Ground vs In-Ground Cost Comparison

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Above-Ground vs In-Ground Cost ComparisonpoolSizeSqFtnot declaredNot declared

Pool surface

Pool surface is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Sets the recommended target range.

Related themes: Calcium hardness adjustment

Used in 1 calculator: Calcium Hardness Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Calcium Hardness Adjustment CalculatorpoolTypenot declaredNot declared

Pool surface area

Pool surface area is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Length × width of the water surface.

Related themes: Heat pump inputs · Solar sizing inputs · Heat loss inputs · Cover savings inputs · Evaporation inputs · Bucket test inputs · Leak comparison inputs · Bather load inputs

Used in 8 calculators: Heat Pump Sizing Calculator, Solar Pool Heater Sizing Calculator, Pool Heat Loss Rate Calculator, Solar Cover Heat Retention Calculator, Pool Evaporation Rate Calculator, Bucket Test Leak Detection Calculator, Leak vs Evaporation Comparison Tool, Pool Bather Load Calculator

View 8 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Heat Pump Sizing CalculatorsurfaceAreanot declaredNot declared
Solar Pool Heater Sizing CalculatorpoolSurfaceAreanot declaredNot declared
Pool Heat Loss Rate CalculatorpoolSurfaceAreanot declaredNot declared
Solar Cover Heat Retention CalculatorpoolSurfaceAreanot declaredNot declared
Pool Evaporation Rate CalculatorpoolSurfaceAreanumberft²Yesmin 50; step any; placeholder 500
Bucket Test Leak Detection CalculatorpoolSurfaceAreanot declaredNot declared
Leak vs Evaporation Comparison ToolpoolSurfaceAreanot declaredNot declared
Pool Bather Load CalculatorpoolSurfaceAreanot declaredNot declared

Pool type

Pool type is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Residential, commercial, spa, or above-ground.

Related themes: Pump sizing inputs · Bather load inputs · Commercial turnover inputs · Installation cost inputs · Ownership cost inputs · Pool ROI inputs · Winterization inputs · Pool opening inputs

Used in 8 calculators: Pool Pump Sizing Calculator, Pool Bather Load Calculator, Commercial Pool Turnover Rate Calculator, Pool Installation Cost Estimator, Annual Pool Ownership Cost Calculator, Pool ROI & Property Value Calculator, Pool Winterization Chemical Calculator, Pool Opening Chemical Calculator

View 8 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Sizing CalculatorpoolTypeselectYesdefault residential
Pool Bather Load CalculatorpoolTypenot declaredNot declared
Commercial Pool Turnover Rate CalculatorpoolTypenot declaredNot declared
Pool Installation Cost EstimatorpoolTypeselectYesdefault concrete-gunite
Annual Pool Ownership Cost CalculatorpoolTypenot declaredNot declared
Pool ROI & Property Value CalculatorpoolTypenot declaredNot declared
Pool Winterization Chemical CalculatorpoolTypenot declaredNot declared
Pool Opening Chemical CalculatorpoolTypeselectYesdefault chlorine

Pool type / jurisdiction

Pool type / jurisdiction is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Sets the applicable ranges.

Related themes: Inspection inputs

Used in 1 calculator: Pool Inspection Compliance Reference Tool

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Inspection Compliance Reference ToolpoolTypeselectYesdefault commercial

Pool volume

Pool volume is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Don't know it? Use our volume calculators first.

Related themes: Chlorine dose · Shock dose · pH adjustment · Alkalinity adjustment · Calcium hardness adjustment · Cyanuric acid adjustment · Salt adjustment · Breakpoint dose · Algaecide dose · Clarifier dose · Phosphate remover dose · TDS dilution · Borate dose · Chlorine demand test · Annual chemical budget · Flow rate inputs · Turnover inputs · Run time inputs · Pump sizing inputs · Sand filter inputs · Cartridge filter inputs · DE filter inputs · Heater sizing inputs · Heat pump inputs · Heat time inputs · Annual loss inputs · Commercial turnover inputs · Feed rate inputs · Disinfection inputs · Spillover spa inputs · Ownership cost inputs · Chemical budget inputs · Maintenance cost inputs · Winterization inputs · SLAM inputs · Pool opening inputs

Used in 36 calculators: Free Chlorine Dosage Calculator, Pool Shock Treatment Calculator, Pool pH Adjustment Calculator, Total Alkalinity Adjustment Calculator, Calcium Hardness Adjustment Calculator, Cyanuric Acid (CYA) Calculator, Salt Level Calculator (SWG), Breakpoint Chlorination Calculator, Algaecide Dosage Calculator, Clarifier Dosage Calculator, Phosphate Remover Dosage Calculator, TDS Dilution Calculator, Borate (Borax) Dosage Calculator, Chlorine Demand Calculator, Pool Chemical Annual Cost Tracker, Pool Pump Flow Rate Calculator, Pool Turnover Rate Calculator, Filter Run Time Calculator, Pool Pump Sizing Calculator, Sand Filter Sizing Calculator, Cartridge Filter Sizing Calculator, DE Filter Sizing Calculator, Pool Heater BTU Calculator, Heat Pump Sizing Calculator, Time to Heat Pool Calculator, Annual Pool Water Loss Cost Calculator, Commercial Pool Turnover Rate Calculator, Commercial Chemical Feed Rate Calculator, Commercial Pool Disinfection (CT) Calculator, Spillover Spa Flow Rate Calculator, Annual Pool Ownership Cost Calculator, Annual Chemical Cost Calculator (Budget), Monthly Pool Maintenance Cost Calculator, Pool Winterization Chemical Calculator, SLAM Protocol Calculator, Pool Opening Chemical Calculator

View 36 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Free Chlorine Dosage CalculatorpoolVolumenumbergalYesmin 500; step any; placeholder 20000
Pool Shock Treatment CalculatorpoolVolumenot declaredNot declared
Pool pH Adjustment CalculatorpoolVolumenot declaredNot declared
Total Alkalinity Adjustment CalculatorpoolVolumenot declaredNot declared
Calcium Hardness Adjustment CalculatorpoolVolumenot declaredNot declared
Cyanuric Acid (CYA) CalculatorpoolVolumenot declaredNot declared
Salt Level Calculator (SWG)poolVolumenot declaredNot declared
Breakpoint Chlorination CalculatorpoolVolumenot declaredNot declared
Algaecide Dosage CalculatorpoolVolumenot declaredNot declared
Clarifier Dosage CalculatorpoolVolumenot declaredNot declared
Phosphate Remover Dosage CalculatorpoolVolumenot declaredNot declared
TDS Dilution CalculatorpoolVolumenot declaredNot declared
Borate (Borax) Dosage CalculatorpoolVolumenot declaredNot declared
Chlorine Demand CalculatorpoolVolumenot declaredNot declared
Pool Chemical Annual Cost TrackerpoolVolumenot declaredNot declared
Pool Pump Flow Rate CalculatorpoolVolumenot declaredNot declared
Pool Turnover Rate CalculatorpoolVolumenot declaredNot declared
Filter Run Time CalculatorpoolVolumenot declaredNot declared
Pool Pump Sizing CalculatorpoolVolumenumbergalYesmin 500; step any; placeholder 15000
Sand Filter Sizing CalculatorpoolVolumenot declaredNot declared
Cartridge Filter Sizing CalculatorpoolVolumenot declaredNot declared
DE Filter Sizing CalculatorpoolVolumenot declaredNot declared
Pool Heater BTU CalculatorpoolVolumenot declaredNot declared
Heat Pump Sizing CalculatorpoolVolumenot declaredNot declared
Time to Heat Pool CalculatorpoolVolumenot declaredNot declared
Annual Pool Water Loss Cost CalculatorpoolVolumenot declaredNot declared
Commercial Pool Turnover Rate CalculatorpoolVolumenot declaredNot declared
Commercial Chemical Feed Rate CalculatorpoolVolumenot declaredNot declared
Commercial Pool Disinfection (CT) CalculatorpoolVolumenot declaredNot declared
Spillover Spa Flow Rate CalculatorpoolVolumenot declaredNot declared
Annual Pool Ownership Cost CalculatorpoolVolumenot declaredNot declared
Annual Chemical Cost Calculator (Budget)poolVolumenot declaredNot declared
Monthly Pool Maintenance Cost CalculatorpoolVolumenot declaredNot declared
Pool Winterization Chemical CalculatorpoolVolumenot declaredNot declared
SLAM Protocol CalculatorpoolVolumenot declaredNot declared
Pool Opening Chemical CalculatorpoolVolumenumbergalYesmin 500; step any; placeholder 15000

Pool water drop

Pool water drop is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Inches the pool fell over the test period.

Related themes: Bucket test inputs

Used in 1 calculator: Bucket Test Leak Detection Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Bucket Test Leak Detection CalculatorpoolDropInchesnot declaredNot declared

Pool width

Pool width is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Excavation inputs · Shell inputs · Gunite inputs · Decking inputs · Plaster inputs

Used in 5 calculators: Pool Excavation Volume Calculator, Concrete Pool Shell Volume Calculator, Gunite / Shotcrete Volume Calculator, Pool Deck Square Footage Calculator, Pool Plaster Surface Area Calculator

View 5 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Excavation Volume Calculatorwidthnot declaredNot declared
Concrete Pool Shell Volume CalculatorpoolWidthnot declaredNot declared
Gunite / Shotcrete Volume CalculatorpoolWidthnot declaredNot declared
Pool Deck Square Footage CalculatorpoolWidthnot declaredNot declared
Pool Plaster Surface Area CalculatorpoolWidthnot declaredNot declared

Price per cubic yard

Price per cubic yard is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Delivered.

Related themes: Berm & fill inputs

Used in 1 calculator: Berm & Fill Dirt Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Berm & Fill Dirt CalculatorpricePerCubicYardnot declaredNot declared

Price per linear ft

Price per linear ft is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Installed.

Related themes: Fence inputs

Used in 1 calculator: Pool Fence Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Fence CalculatorpricePerLinearFtnot declaredNot declared

Price per sq ft

Price per sq ft is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Material cost.

Related themes: Coping inputs · Decking inputs · Plaster inputs · Tile inputs

Used in 4 calculators: Pool Coping Calculator, Pool Deck Square Footage Calculator, Pool Plaster Surface Area Calculator, Pool Tile Calculator

View 4 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Coping CalculatorpricePerSqFtnot declaredNot declared
Pool Deck Square Footage CalculatorpricePerSqFtnot declaredNot declared
Pool Plaster Surface Area CalculatorpricePerSqFtnot declaredNot declared
Pool Tile CalculatorpricePerSqFtnot declaredNot declared

Product

Product is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Borax raises pH; boric acid is pH-neutral.

Related themes: Borate dose

Used in 1 calculator: Borate (Borax) Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Borate (Borax) Dosage CalculatorboratProductnot declaredNot declared

Product strength

Product strength is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Standard or high-strength lanthanum-based remover.

Related themes: Phosphate remover dose

Used in 1 calculator: Phosphate Remover Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Phosphate Remover Dosage CalculatorproductConcentrationnot declaredNot declared

Product type

Product type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Clarifier filters out; flocculant drops to floor to vacuum.

Related themes: Clarifier dose

Used in 1 calculator: Clarifier Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Clarifier Dosage CalculatorclarifierTypenot declaredNot declared

Propane rate

Propane rate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per gallon.

Related themes: Comparison inputs

Used in 1 calculator: Gas vs Electric vs Heat Pump Cost Comparison

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Gas vs Electric vs Heat Pump Cost ComparisonpropaneRatenumber$/galNomin 1; max 8; step 0.01; default 3.5

Pump flow rate

Pump flow rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Your pump's actual GPM (use the flow-rate tool if unknown).

Related themes: Turnover inputs · Run time inputs · Sand filter inputs · Cartridge filter inputs · DE filter inputs

Used in 5 calculators: Pool Turnover Rate Calculator, Filter Run Time Calculator, Sand Filter Sizing Calculator, Cartridge Filter Sizing Calculator, DE Filter Sizing Calculator

View 5 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Turnover Rate CalculatorpumpFlowRatenot declaredNot declared
Filter Run Time CalculatorpumpFlowRatenot declaredNot declared
Sand Filter Sizing CalculatorpumpFlowRatenot declaredNot declared
Cartridge Filter Sizing CalculatorpumpFlowRatenot declaredNot declared
DE Filter Sizing CalculatorpumpFlowRatenot declaredNot declared

Pump horsepower

Pump horsepower is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: VSP savings inputs · Annual energy inputs · Total load inputs

Used in 3 calculators: Variable Speed Pump Energy Savings Calculator, Pool Annual Energy Cost Calculator, Total Pool Electrical Load Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Variable Speed Pump Energy Savings CalculatorpumpHPnot declaredNot declared
Pool Annual Energy Cost CalculatorpumpHPnot declaredNot declared
Total Pool Electrical Load CalculatorpumpHPnot declaredNot declared

Pump run hours/day

Pump run hours/day is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Annual energy inputs

Used in 1 calculator: Pool Annual Energy Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Annual Energy Cost CalculatorpumpDailyHoursnot declaredNot declared

Pump voltage

Pump voltage is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: 115V or 230V.

Related themes: Total load inputs

Used in 1 calculator: Total Pool Electrical Load Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Pool Electrical Load CalculatorpumpVoltagenot declaredNot declared

R

Raise pH with

Raise pH with is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Soda ash is the standard pH raiser.

Related themes: pH adjustment

Used in 1 calculator: Pool pH Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool pH Adjustment CalculatorraiseProductnot declaredNot declared

Rebar size

Rebar size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: #3, #4, or #5 (3/8", 1/2", 5/8").

Related themes: Rebar inputs

Used in 1 calculator: Pool Rebar Quantity Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Rebar Quantity CalculatorrebarSizenot declaredNot declared

Rebound waste

Rebound waste is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Gunite rebounds ~20% during shooting.

Related themes: Gunite inputs

Used in 1 calculator: Gunite / Shotcrete Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Gunite / Shotcrete Volume CalculatorapplicationWastenot declaredNot declared

Region

Region is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Sets the regional cost multiplier.

Related themes: Installation cost inputs · Resurfacing inputs · Pool ROI inputs · Renovation scope · Comparison inputs

Used in 5 calculators: Pool Installation Cost Estimator, Pool Resurfacing Cost Calculator, Pool ROI & Property Value Calculator, Pool Renovation Cost Estimator, Above-Ground vs In-Ground Cost Comparison

View 5 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Installation Cost EstimatorregionselectYesdefault southwest-us
Pool Resurfacing Cost Calculatorregionnot declaredNot declared
Pool ROI & Property Value Calculatorregionnot declaredNot declared
Pool Renovation Cost Estimatorregionnot declaredNot declared
Above-Ground vs In-Ground Cost Comparisonregionnot declaredNot declared

Rinse duration

Rinse duration is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Minutes of rinse after backwash.

Related themes: Backwash inputs · Backwash loss inputs

Used in 2 calculators: Backwash Volume & Water Loss Calculator, Backwash Water Loss Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorrinseDurationnot declaredNot declared
Backwash Water Loss CalculatorrinseDurationnot declaredNot declared

Run hours per day

Run hours per day is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: How long the pump runs daily.

Related themes: Flow rate inputs · Turnover inputs · VSP savings inputs

Used in 3 calculators: Pool Pump Flow Rate Calculator, Pool Turnover Rate Calculator, Variable Speed Pump Energy Savings Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Flow Rate CalculatoroperatingHoursnot declaredNot declared
Pool Turnover Rate CalculatoroperatingHoursnot declaredNot declared
Variable Speed Pump Energy Savings CalculatordailyRunHoursnot declaredNot declared

Run length (one-way)

Run length (one-way) is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Distance from panel to equipment.

Related themes: Wire gauge inputs · Voltage drop inputs

Used in 2 calculators: Pool Equipment Wire Gauge Calculator, Pool Circuit Voltage Drop Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Equipment Wire Gauge CalculatorcircuitLengthnot declaredNot declared
Pool Circuit Voltage Drop CalculatorcircuitLengthFtnot declaredNot declared

S

Salt cell

Salt cell is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: kW (0 if no SWG).

Related themes: Total load inputs

Used in 1 calculator: Total Pool Electrical Load Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Pool Electrical Load CalculatorsaltCellKWnot declaredNot declared

Salt type

Salt type is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Use pool-grade or food-grade salt, 99%+ pure.

Related themes: Salt adjustment

Used in 1 calculator: Salt Level Calculator (SWG)

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Salt Level Calculator (SWG)saltTypenot declaredNot declared

Scope items

Scope items is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Resurface, liner, pump, filter, heater, lights, automation, tile, coping, deck, VGB drain.

Related themes: Renovation scope

Used in 1 calculator: Pool Renovation Cost Estimator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Renovation Cost EstimatorrenovationItemsnot declaredNot declared

Season extension

Season extension is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Extra months of swimming you want.

Related themes: Solar sizing inputs

Used in 1 calculator: Solar Pool Heater Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Solar Pool Heater Sizing CalculatortargetExtensionMonthsnot declaredNot declared

Section 1 — deep depth

Section 1 — deep depth is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators1DeepDepthnot declaredNot declared

Section 1 — length

Section 1 — length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The main (longer) arm of the L.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators1Lengthnot declaredNot declared

Section 1 — shallow depth

Section 1 — shallow depth is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators1ShallowDepthnot declaredNot declared

Section 1 — width

Section 1 — width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators1Widthnot declaredNot declared

Section 2 — deep depth

Section 2 — deep depth is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators2DeepDepthnot declaredNot declared

Section 2 — length

Section 2 — length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The shorter arm of the L (don't double-count the overlap).

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators2Lengthnot declaredNot declared

Section 2 — shallow depth

Section 2 — shallow depth is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators2ShallowDepthnot declaredNot declared

Section 2 — width

Section 2 — width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool sections

Used in 1 calculator: L-Shaped Pool Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
L-Shaped Pool Volume Calculators2Widthnot declaredNot declared

Service frequency

Service frequency is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Weekly, bi-weekly, or monthly.

Related themes: Maintenance cost inputs

Used in 1 calculator: Monthly Pool Maintenance Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Monthly Pool Maintenance Cost CalculatorserviceFrequencynot declaredNot declared

Shallow end depth

Shallow end depth is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Most round above-ground pools have one uniform depth — enter it in both fields.

Related themes: Pool dimensions · Pool surface area & depth · Excavation inputs · Shell inputs · Gunite inputs · Plaster inputs · Slope design inputs

Used in 10 calculators: Rectangular Pool Volume Calculator, Round Pool Volume Calculator, Oval Pool Volume Calculator, Kidney-Shaped Pool Volume Calculator, Freeform Pool Volume Calculator, Pool Excavation Volume Calculator, Concrete Pool Shell Volume Calculator, Gunite / Shotcrete Volume Calculator, Pool Plaster Surface Area Calculator, Pool Depth Profile & Slope Calculator

View 10 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatorshallowDepthnumberftYesmin 0.5; max 15; step any; placeholder 3
Round Pool Volume CalculatorshallowDepthnot declaredNot declared
Oval Pool Volume CalculatorshallowDepthnot declaredNot declared
Kidney-Shaped Pool Volume CalculatorshallowDepthnot declaredNot declared
Freeform Pool Volume CalculatorshallowDepthnot declaredNot declared
Pool Excavation Volume CalculatorshallowDepthnot declaredNot declared
Concrete Pool Shell Volume CalculatorshallowDepthnot declaredNot declared
Gunite / Shotcrete Volume CalculatorshallowDepthnot declaredNot declared
Pool Plaster Surface Area CalculatorshallowDepthnot declaredNot declared
Pool Depth Profile & Slope CalculatorshallowEndDepthnot declaredNot declared

Shape

Shape is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Rectangular, round, square, or irregular.

Related themes: Spa volume inputs

Used in 1 calculator: Spa & Hot Tub Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa & Hot Tub Volume Calculatorshapenot declaredNot declared

Shell surface area

Shell surface area is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Floor + walls (from the concrete shell tool).

Related themes: Rebar inputs

Used in 1 calculator: Pool Rebar Quantity Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Rebar Quantity CalculatortotalSurfaceAreanot declaredNot declared

Shell thickness

Shell thickness is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Gunite walls/floor, typically 6–8 inches.

Related themes: Shell inputs · Gunite inputs

Used in 2 calculators: Concrete Pool Shell Volume Calculator, Gunite / Shotcrete Volume Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Concrete Pool Shell Volume CalculatorshellThicknessInnot declaredNot declared
Gunite / Shotcrete Volume CalculatorshellThicknessInnot declaredNot declared

Shock level

Shock level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Regular = 10 ppm, triple = 30 ppm, algae = 40 ppm.

Related themes: Shock dose

Used in 1 calculator: Pool Shock Treatment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Shock Treatment CalculatorshockTypenot declaredNot declared

Shock product

Shock product is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Cal-hypo is the most common granular shock.

Related themes: Shock dose · Breakpoint dose

Used in 2 calculators: Pool Shock Treatment Calculator, Breakpoint Chlorination Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Shock Treatment CalculatorchlorineProductnot declaredNot declared
Breakpoint Chlorination CalculatorchlorineProductnot declaredNot declared

Shock treatments / year

Shock treatments / year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: count

Related themes: Annual chemical budget

Used in 1 calculator: Pool Chemical Annual Cost Tracker

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Chemical Annual Cost TrackershockTreatmentsYearlynot declaredNot declared

Shock treatments/year

Shock treatments/year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: count

Related themes: Chemical budget inputs

Used in 1 calculator: Annual Chemical Cost Calculator (Budget)

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Annual Chemical Cost Calculator (Budget)shockYearlynot declaredNot declared

Slope start point

Slope start point is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: % from shallow end where the floor begins to drop.

Related themes: Slope design inputs

Used in 1 calculator: Pool Depth Profile & Slope Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Depth Profile & Slope CalculatorslopeStartPointnot declaredNot declared

Soil swell factor

Soil swell factor is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Dug soil expands ~25% loose.

Related themes: Excavation inputs

Used in 1 calculator: Pool Excavation Volume Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Excavation Volume CalculatorsoilExpansionFactornot declaredNot declared

Spa volume

Spa volume is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Gallons.

Related themes: Spillover spa inputs · Spa dosage inputs · Spa heating inputs

Used in 3 calculators: Spillover Spa Flow Rate Calculator, Spa Chemical Dosage Calculator, Spa Heating Time & Cost Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Spillover Spa Flow Rate CalculatorspaVolumenot declaredNot declared
Spa Chemical Dosage CalculatorspaVolumenot declaredNot declared
Spa Heating Time & Cost CalculatorspaVolumenot declaredNot declared

Spillover style

Spillover style is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Thin sheet or moderate curtain.

Related themes: Spillover spa inputs

Used in 1 calculator: Spillover Spa Flow Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spillover Spa Flow Rate CalculatorspilloverStylenot declaredNot declared

Spillway width

Spillway width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Width of the spa's spillover edge.

Related themes: Spillover spa inputs

Used in 1 calculator: Spillover Spa Flow Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spillover Spa Flow Rate CalculatorspilloverWidthnot declaredNot declared

Splash-out per year

Splash-out per year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the splash-out tool.

Related themes: Annual loss inputs

Used in 1 calculator: Annual Pool Water Loss Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Annual Pool Water Loss Cost CalculatorsplashGallonsPerYearnot declaredNot declared

Standard

Standard is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: MAHC, IBC, or custom.

Related themes: Bather load inputs · Lifeguard ratio inputs

Used in 2 calculators: Pool Bather Load Calculator, Lifeguard-to-Swimmer Ratio Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Bather Load Calculatorjurisdictionnot declaredNot declared
Lifeguard-to-Swimmer Ratio CalculatorstandardBodynot declaredNot declared

Static head (lift)

Static head (lift) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Vertical rise from water to the pump/equipment.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatorstaticHeadnot declaredNot declared

Style

Style is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Thin sheet, moderate curtain, or heavy cascade.

Related themes: Waterfall inputs

Used in 1 calculator: Waterfall Flow Rate Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Waterfall Flow Rate CalculatorwaterfallStylenot declaredNot declared

Suction elbows

Suction elbows is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Count of 90° elbows before the pump.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatornumSuctionElbowsnot declaredNot declared

Suction pipe length

Suction pipe length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatorsuctionPipeLengthnot declaredNot declared

Suction pipe size

Suction pipe size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Diameter of the line into the pump.

Related themes: System resistance

Used in 1 calculator: Total Dynamic Head (TDH) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Dynamic Head (TDH) CalculatorsuctionPipeDiameternot declaredNot declared

Surface area

Surface area is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your pool plan, or estimate by gridding the shape into squares.

Related themes: Pool surface area & depth · Resurfacing inputs · Renovation scope

Used in 3 calculators: Freeform Pool Volume Calculator, Pool Resurfacing Cost Calculator, Pool Renovation Cost Estimator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Freeform Pool Volume CalculatorsurfaceAreanot declaredNot declared
Pool Resurfacing Cost CalculatorpoolSurfaceAreanot declaredNot declared
Pool Renovation Cost EstimatorpoolSurfaceAreanot declaredNot declared

Swim days per year

Swim days per year is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Splash-out inputs

Used in 1 calculator: Splash-Out Water Loss Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Splash-Out Water Loss CalculatorswimDaysPerYearnot declaredNot declared

Swim hours per day

Swim hours per day is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Splash-out inputs

Used in 1 calculator: Splash-Out Water Loss Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Splash-Out Water Loss CalculatorswimHoursPerDaynot declaredNot declared

T

Target borate

Target borate is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Most aim for 30–50 ppm.

Related themes: Borate dose

Used in 1 calculator: Borate (Borax) Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Borate (Borax) Dosage CalculatortargetBoratenot declaredNot declared

Target bromine

Target bromine is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Pools 2–4 ppm; spas 3–5 ppm.

Related themes: Bromine dose

Used in 1 calculator: Bromine Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Bromine Dosage CalculatortargetBrominenot declaredNot declared

Target calcium hardness

Target calcium hardness is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Plaster 200–400, vinyl/fiberglass 150–250 ppm.

Related themes: Calcium hardness adjustment

Used in 1 calculator: Calcium Hardness Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Calcium Hardness Adjustment CalculatortargetCHnot declaredNot declared

Target cyanuric acid

Target cyanuric acid is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Chlorine pools 30–50 ppm; salt pools 60–80 ppm.

Related themes: Cyanuric acid adjustment

Used in 1 calculator: Cyanuric Acid (CYA) Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Cyanuric Acid (CYA) CalculatortargetCYAnot declaredNot declared

Target free chlorine

Target free chlorine is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Commercial often 2–4 ppm.

Related themes: Feed rate inputs · Disinfection inputs

Used in 2 calculators: Commercial Chemical Feed Rate Calculator, Commercial Pool Disinfection (CT) Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Commercial Chemical Feed Rate CalculatortargetFCnot declaredNot declared
Commercial Pool Disinfection (CT) CalculatortargetFCnot declaredNot declared

Target free chlorine (FC)

Target free chlorine (FC) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Most pools target 2–4 ppm.

Related themes: Chlorine dose

Used in 1 calculator: Free Chlorine Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Free Chlorine Dosage CalculatortargetFCnumberppmYesmin 0.5; max 20; step 0.1; placeholder 3

Target level

Target level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Spa targets: FC/Br 3–5, pH 7.2–7.6.

Related themes: Spa dosage inputs

Used in 1 calculator: Spa Chemical Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa Chemical Dosage CalculatortargetLevelnot declaredNot declared

Target pH

Target pH is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Ideal range is 7.2–7.6.

Related themes: pH adjustment · Feed rate inputs

Used in 2 calculators: Pool pH Adjustment Calculator, Commercial Chemical Feed Rate Calculator

View 2 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool pH Adjustment CalculatortargetPHnot declaredNot declared
Commercial Chemical Feed Rate CalculatortargetPHnot declaredNot declared

Target phosphates

Target phosphates is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Aim for under 100–125 ppb.

Related themes: Phosphate remover dose

Used in 1 calculator: Phosphate Remover Dosage Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Phosphate Remover Dosage CalculatortargetPhosphatesnot declaredNot declared

Target salt level

Target salt level is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Check your generator — usually 2,700–3,400 ppm.

Related themes: Salt adjustment

Used in 1 calculator: Salt Level Calculator (SWG)

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Salt Level Calculator (SWG)targetSaltnot declaredNot declared

Target speed

Target speed is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: % of full speed you'd run the VSP at.

Related themes: VSP savings inputs

Used in 1 calculator: Variable Speed Pump Energy Savings Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Variable Speed Pump Energy Savings CalculatortargetSpeednot declaredNot declared

Target TDS

Target TDS is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Under ~2,000 ppm for non-salt pools.

Related themes: TDS dilution

Used in 1 calculator: TDS Dilution Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
TDS Dilution CalculatortargetTDSnot declaredNot declared

Target temp

Target temp is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Most spas run 100–104°F.

Related themes: Spa heating inputs

Used in 1 calculator: Spa Heating Time & Cost Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Spa Heating Time & Cost CalculatortargetTempnot declaredNot declared

Target total alkalinity

Target total alkalinity is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Ideal range is 80–120 ppm.

Related themes: Alkalinity adjustment

Used in 1 calculator: Total Alkalinity Adjustment Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Total Alkalinity Adjustment CalculatortargetTAnot declaredNot declared

Target velocity

Target velocity is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Suction 4–6, return 6–8, main drain 3–5 fps.

Related themes: Pipe sizing inputs

Used in 1 calculator: Pool Pipe Sizing Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Pool Pipe Sizing CalculatortargetVelocitynot declaredNot declared

Target water temp

Target water temp is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Most swimmers like 80–84°F.

Related themes: Heater sizing inputs · Heat pump inputs · Heat time inputs

Used in 3 calculators: Pool Heater BTU Calculator, Heat Pump Sizing Calculator, Time to Heat Pool Calculator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heater BTU CalculatortargetTempnot declaredNot declared
Heat Pump Sizing CalculatortargetTempnot declaredNot declared
Time to Heat Pool CalculatortargetTempnot declaredNot declared

Test duration

Test duration is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Hours the test ran (24 is standard).

Related themes: Bucket test inputs

Used in 1 calculator: Bucket Test Leak Detection Calculator

View 1 field configuration
CalculatorField keyControlUnitRequiredLimits / default
Bucket Test Leak Detection CalculatortestDurationHrsnot declaredNot declared

Tile band height

Tile band height is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Waterline band, typically 6 inches.

Related themes: Tile inputs

Used in 1 calculator: Pool Tile Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Tile CalculatortileZoneHeightnot declaredNot declared

Tile size

Tile size is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: 1x1, 2x2, 4x4, or 6x6 inches.

Related themes: Tile inputs

Used in 1 calculator: Pool Tile Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Tile CalculatortileSizeInnot declaredNot declared

Total alkalinity

Total alkalinity is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm

Related themes: Water balance inputs · Inspection inputs

Used in 2 calculators: Langelier Saturation Index (LSI) Calculator, Pool Inspection Compliance Reference Tool

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CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) CalculatortotalAlkalinitynot declaredNot declared
Pool Inspection Compliance Reference TooltotalAlkalinitynumberppmYesmin 0; max 500; step 1; placeholder 100

Total BTU to deliver

Total BTU to deliver is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the heater BTU calculator.

Related themes: Heating cost inputs

Used in 1 calculator: Pool Heating Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heating Cost CalculatortotalBTUnot declaredNot declared

Total chlorine

Total chlorine is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From your test kit, in ppm.

Related themes: Breakpoint dose

Used in 1 calculator: Breakpoint Chlorination Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Breakpoint Chlorination CalculatortotalChlorinenot declaredNot declared

Total dissolved solids

Total dissolved solids is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: ppm — affects the correction factor.

Related themes: Water balance inputs

Used in 1 calculator: Langelier Saturation Index (LSI) Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) Calculatortdsnot declaredNot declared

Total dynamic head

Total dynamic head is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: From the TDH calculator, in feet.

Related themes: Pump sizing inputs

Used in 1 calculator: Pool Pump Sizing Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Sizing CalculatortdhnumberftYesmin 10; max 120; step 1; placeholder 40

Total patio length

Total patio length is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Outer edge to outer edge.

Related themes: Decking inputs

Used in 1 calculator: Pool Deck Square Footage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Deck Square Footage CalculatortotalPatioLengthnot declaredNot declared

Total patio width

Total patio width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Decking inputs

Used in 1 calculator: Pool Deck Square Footage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Deck Square Footage CalculatortotalPatioWidthnot declaredNot declared

Turnovers required

Turnovers required is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Usually 1–2 for residential.

Related themes: Run time inputs

Used in 1 calculator: Filter Run Time Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Filter Run Time CalculatorturnoversRequirednot declaredNot declared

U

Use

Use is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Maintenance dose vs active treatment dose.

Related themes: Algaecide dose

Used in 1 calculator: Algaecide Dosage Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Algaecide Dosage CalculatortreatmentTypenot declaredNot declared

Using a solar cover?

Using a solar cover? is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: A cover cuts heat loss ~65%.

Related themes: Heat pump inputs · Evaporation inputs

Used in 2 calculators: Heat Pump Sizing Calculator, Pool Evaporation Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Heat Pump Sizing CalculatorsolarCovernot declaredNot declared
Pool Evaporation Rate CalculatorsolarCoverselectYesdefault no

V

Voltage

Voltage is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: 115V, 230V, or 460V.

Related themes: Breaker sizing inputs · Wire gauge inputs · Voltage drop inputs

Used in 3 calculators: Pool Pump Breaker Sizing Calculator, Pool Equipment Wire Gauge Calculator, Pool Circuit Voltage Drop Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Pump Breaker Sizing Calculatorvoltagenot declaredNot declared
Pool Equipment Wire Gauge Calculatorvoltagenot declaredNot declared
Pool Circuit Voltage Drop Calculatorvoltagenot declaredNot declared

VSP upgrade cost

VSP upgrade cost is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Installed cost of the new pump.

Related themes: VSP savings inputs

Used in 1 calculator: Variable Speed Pump Energy Savings Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Variable Speed Pump Energy Savings CalculatorvspUpgradeCostnot declaredNot declared

W

Waste %

Waste % is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Cuts and breakage allowance.

Related themes: Coping inputs · Decking inputs · Tile inputs

Used in 3 calculators: Pool Coping Calculator, Pool Deck Square Footage Calculator, Pool Tile Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Coping CalculatorwastePercentnot declaredNot declared
Pool Deck Square Footage CalculatorwastePercentnot declaredNot declared
Pool Tile CalculatorwastePercentnot declaredNot declared

Water rate

Water rate is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: $ per gallon.

Related themes: Backwash inputs · Evaporation inputs · Splash-out inputs · Backwash loss inputs · Annual loss inputs

Used in 5 calculators: Backwash Volume & Water Loss Calculator, Pool Evaporation Rate Calculator, Splash-Out Water Loss Calculator, Backwash Water Loss Calculator, Annual Pool Water Loss Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Backwash Volume & Water Loss CalculatorwaterCostRatenot declaredNot declared
Pool Evaporation Rate CalculatorwaterCostRatenumber$/galNomin 0; step 0.001; default 0.005
Splash-Out Water Loss CalculatorwaterCostRatenot declaredNot declared
Backwash Water Loss CalculatorwaterCostRatenot declaredNot declared
Annual Pool Water Loss Cost CalculatorwaterCostPer1000Galnot declaredNot declared

Water temp

Water temp is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Heat loss inputs · Cover savings inputs

Used in 2 calculators: Pool Heat Loss Rate Calculator, Solar Cover Heat Retention Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Heat Loss Rate CalculatorpoolTempnot declaredNot declared
Solar Cover Heat Retention CalculatorpoolTempnot declaredNot declared

Water temperature

Water temperature is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Warmer water scales more easily.

Related themes: Water balance inputs · ORP reference · Evaporation inputs

Used in 3 calculators: Langelier Saturation Index (LSI) Calculator, ORP vs Free Chlorine Reference Tool, Pool Evaporation Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Langelier Saturation Index (LSI) Calculatortemperaturenot declaredNot declared
ORP vs Free Chlorine Reference ToolwaterTempnot declaredNot declared
Pool Evaporation Rate CalculatorwaterTempnumber°FYesmin 40; max 104; step 1; placeholder 82

Water visibility

Water visibility is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Clear or slightly turbid.

Related themes: Lifeguard ratio inputs

Used in 1 calculator: Lifeguard-to-Swimmer Ratio Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Lifeguard-to-Swimmer Ratio CalculatorpoolVisibilitynot declaredNot declared

Waterfall height

Waterfall height is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Vertical rise the pump must overcome.

Related themes: Waterfall inputs

Used in 1 calculator: Waterfall Flow Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Waterfall Flow Rate CalculatorheadPressureFtnot declaredNot declared

Weir width

Weir width is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Width of the lip the water flows over.

Related themes: Waterfall inputs

Used in 1 calculator: Waterfall Flow Rate Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Waterfall Flow Rate CalculatorwaterfallWidthnot declaredNot declared

Width

Width is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Leave for round.

Related themes: Pool dimensions · Coping inputs · Installation cost inputs

Used in 3 calculators: Rectangular Pool Volume Calculator, Pool Coping Calculator, Pool Installation Cost Estimator

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Rectangular Pool Volume CalculatorwidthnumberftYesmin 1; max 150; step any; placeholder 16
Pool Coping Calculatorwidthnot declaredNot declared
Pool Installation Cost EstimatorwidthnumberftYesmin 6; max 60; step 1; placeholder 16

Width — narrow end

Width — narrow end is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The narrower waist or opposite end.

Related themes: Pool dimensions

Used in 1 calculator: Kidney-Shaped Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Kidney-Shaped Pool Volume CalculatorwidthBnot declaredNot declared

Width — wide end

Width — wide end is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The widest part of the kidney, usually the lobe end.

Related themes: Pool dimensions

Used in 1 calculator: Kidney-Shaped Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Kidney-Shaped Pool Volume CalculatorwidthAnot declaredNot declared

Width (short axis)

Width (short axis) is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: The widest distance perpendicular to the length.

Related themes: Pool dimensions

Used in 1 calculator: Oval Pool Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Oval Pool Volume Calculatorwidthnot declaredNot declared

Width / diameter

Width / diameter is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Diameter for round spas.

Related themes: Spa volume inputs

Used in 1 calculator: Spa & Hot Tub Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Spa & Hot Tub Volume Calculatorwidthnot declaredNot declared

Wind speed

Wind speed is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Wind dramatically increases evaporative loss.

Related themes: Heat loss inputs · Evaporation inputs · Leak comparison inputs

Used in 3 calculators: Pool Heat Loss Rate Calculator, Pool Evaporation Rate Calculator, Leak vs Evaporation Comparison Tool

View 3 field configurations
CalculatorField keyControlUnitRequiredLimits / default
Pool Heat Loss Rate CalculatorwindSpeednot declaredNot declared
Pool Evaporation Rate CalculatorwindSpeednumbermphNomin 0; max 30; step 0.1; default 5
Leak vs Evaporation Comparison ToolwindSpeednot declaredNot declared

Winter condition

Winter condition is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Covered-clean, slightly green, green, or black algae.

Related themes: Pool opening inputs

Used in 1 calculator: Pool Opening Chemical Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Opening Chemical CalculatorwinterConditionselectYesdefault covered-clean

Wire gauge

Wire gauge is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: AWG of the installed conductor.

Related themes: Voltage drop inputs

Used in 1 calculator: Pool Circuit Voltage Drop Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Circuit Voltage Drop CalculatorwireGaugeAWGnot declaredNot declared

Working room

Working room is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: Extra dig on each side for crews and forms.

Related themes: Excavation inputs

Used in 1 calculator: Pool Excavation Volume Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Pool Excavation Volume CalculatorworkingRoomFtnot declaredNot declared

Y

Years of ownership

Years of ownership is an input used by the linked calculators to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Related themes: Pool ROI inputs · Comparison inputs

Used in 2 calculators: Pool ROI & Property Value Calculator, Above-Ground vs In-Ground Cost Comparison

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CalculatorField keyControlUnitRequiredLimits / default
Pool ROI & Property Value CalculatoryearsOwnershipnot declaredNot declared
Above-Ground vs In-Ground Cost ComparisonyearsOwnershipnot declaredNot declared

Your hours/week

Your hours/week is an input used by the linked calculator to produce a stated estimate. Enter or select it using the units and limits shown for that calculator.

Context: To value your time.

Related themes: Maintenance cost inputs

Used in 1 calculator: Monthly Pool Maintenance Cost Calculator

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CalculatorField keyControlUnitRequiredLimits / default
Monthly Pool Maintenance Cost CalculatorownLaborHrsPerWeeknot declaredNot declared