Pool pH Calculator
Raise or lower pH — acid or soda ash, the exact dose for your pool.
OpenNew to pool chemistry? Start with the free guide: How to Balance Pool Water — the right order & exact doses. Then balance in order: Volume → Alkalinity → pH → Calcium → Stabilizer → Chlorine → Salt.
Water chemistry
Get the exact dose for every chemical — pH, chlorine, alkalinity, calcium, CYA and salt.
Pool Chlorine Calculator
How much liquid chlorine to add to hit target free chlorine.
OpenPool Alkalinity Calculator
Baking soda to raise total alkalinity (set this before pH).
OpenPool Calcium Hardness Calculator
Calcium chloride to raise hardness and protect surfaces.
OpenPool Stabilizer Calculator
Cyanuric acid (CYA) to shield your chlorine from the sun.
OpenPool Salt Calculator
Pounds of salt (and 40-lb bags) for your salt system.
OpenPool LSI Calculator
Langelier Saturation Index — is your water scaling or corrosive?
OpenPool Shock & SLAM Calculator
Breakpoint and SLAM shock dose to clear algae, scaled to your CYA.
OpenPool Chemical Calculator
All-in-one — enter your Big 5 and get every dose, in the right order.
OpenPool Acid Calculator
Muriatic acid to lower a high pH into range.
OpenPool CYA Reduction Calculator
How much water to drain & replace to lower a high CYA level.
OpenHow to Lower Cyanuric Acid (CYA)
Bring down locked-in chlorine from too-high stabilizer.
OpenPool Dosage Chart
Enter your pool size for a custom, printable quick-dose card.
OpenHow to Shock a Pool
When and how to shock — dose, timing, and safety.
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Start with an accurate test
Pool water test kit
Every dose on this page is only as good as your reading — a reliable kit pays for itself fast.
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Equipment & cost
Size your pump and heater, then see what they cost to run — and budget renovations.
Pool Volume Calculator
Your pool's gallons by shape — the number every dose needs first.
OpenFreeform & Kidney Pool Volume Calculator
Gallons for irregular, kidney, and freeform pool shapes.
OpenPool Heater BTU Calculator
Size a pool heater and estimate heat-up time for your pool.
OpenPool Heating Cost Calculator
What it costs to heat your pool by fuel type and temperature.
OpenPool Pump Size Calculator
The right pump and flow rate to turn over your pool's volume.
OpenPool Pump Energy Cost Calculator
What your pool pump costs to run per month and year.
OpenVariable-Speed Pump Savings Calculator
How much a variable-speed pump saves vs a single-speed.
OpenPool Resurfacing Cost Estimator
Estimate replaster / resurface cost by pool size and finish.
OpenPool Tile & Coping Cost Estimator
Budget waterline tile and coping replacement.
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Cut your biggest energy bill
Variable-speed pool pump
The pump runs more hours than anything on the pad — a variable-speed model often pays for itself within a season.
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Maintenance & troubleshooting
Run the routine, open for the season, and fix green or cloudy water fast.
Pool Maintenance Checklist
Weekly service routine, balance order, and green-pool recovery.
OpenSpring Pool Opening Checklist
Step-by-step pool opening routine for the new season.
OpenGreen Pool Water Guide
Why a pool turns green and the step-by-step fix to clear it.
OpenGreen Pool Recovery Timeline
What to expect day-by-day clearing a green pool.
OpenCloudy Pool Water Guide
Diagnose and clear cloudy, milky pool water fast.
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Clear it fast
Pool shock & clarifier
Green or cloudy? A fresh supply of shock and clarifier is what actually turns the water around.
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Safety & compliance
Check your barrier and drain covers against pool safety code.
Pass the inspection
VGB-compliant drain covers
Failed the check above? Anti-entrapment drain covers are required by law — replace them before anyone swims.
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Pricing & business — for pool pros
Price the job, know your true margin, and value a route to buy or sell.
Pool Service Pricing Calculator
Build a profitable monthly route quote — base rate plus add-ons.
OpenPool Profit Per Stop Calculator
Your true profit per pool stop after time and supplies.
OpenPool Route Valuation Calculator
What a pool-service route is worth to buy or sell.
OpenPool Price Increase Letter Generator
A ready-to-send price-increase letter for your route customers.
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Look like a real company
Magnetic vehicle signs
The cheapest advertising a pool pro can buy — your name and number on every driveway you park in.
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As an Amazon Associate we earn from qualifying purchases — at no extra cost to you. Affiliate disclosure.
Balance in the right order
Each step sets up the next — go out of order and the numbers won't hold.
1
Alkalinity
The buffer that holds pH steady. Set it first to 80–120 ppm.
2
pH
Dial to 7.4–7.6 so chlorine works and water stays comfortable.
3
Chlorine + CYA
Sanitize, with stabilizer (CYA) sized to protect it from the sun.
4
Calcium / LSI
Round out hardness and check LSI so water isn't scaling or corrosive.
More pool tools
Equipment, renovation, safety, and pro tools — every pool calculator and guide, all in one place.
More pool chemistry
Pool pH Calculator
Raise or lower pH — acid or soda ash, the exact dose for your pool.
OpenFreeform & Kidney Pool Volume Calculator
Gallons for irregular, kidney, and freeform pool shapes.
OpenPool CYA Reduction Calculator
How much water to drain and replace to lower a high cyanuric acid (CYA) level.
OpenPool Shock & SLAM Calculator
Breakpoint and SLAM shock dose to clear algae, scaled to your CYA.
OpenPool LSI Calculator
Langelier Saturation Index — is your water scaling or corrosive?
OpenFix a problem pool
Green Pool Water Guide
Why a pool turns green and the step-by-step fix to clear it.
OpenCloudy Pool Water Guide
Diagnose and clear cloudy, milky pool water fast.
OpenHow to Shock a Pool
When and how to shock — dose, timing, and safety.
OpenHow to Lower Cyanuric Acid (CYA)
Bring down locked-in chlorine from too-high stabilizer.
OpenGreen Pool Recovery Timeline
What to expect day-by-day clearing a green pool.
OpenPool equipment & energy
Pool Heater BTU Calculator
Size a pool heater and estimate heat-up time for your pool.
OpenPool Heating Cost Calculator
What it costs to heat your pool by fuel type and temperature.
OpenPool Pump Size Calculator
The right pump and flow rate to turn over your pool's volume.
OpenPool Pump Energy Cost Calculator
What your pool pump costs to run per month and year.
OpenVariable-Speed Pump Savings Calculator
How much a variable-speed pump saves vs a single-speed.
OpenRenovation & cost estimates
Pool Resurfacing Cost Estimator
Estimate replaster / resurface cost by pool size and finish.
OpenPool Tile & Coping Cost Estimator
Budget waterline tile and coping replacement.
OpenPool safety & compliance
VGB Drain Cover Compliance Checker
Check your main drain covers against the VGB anti-entrapment law.
OpenPool Fence & Barrier Code Checklist
Verify your pool barrier meets safety-code requirements.
OpenFor pool pros
Pool Route Valuation Calculator
What a pool-service route is worth to buy or sell.
OpenPool Profit Per Stop Calculator
Your true profit per pool stop after time and supplies.
OpenPool Price Increase Letter Generator
A ready-to-send price-increase letter for your route customers.
OpenSpring Pool Opening Checklist
Step-by-step pool opening routine for the new season.
Open