Pool Water Calculator

Pool Water Calculator is an all-in-one pool and spa management suite, providing everything you need to quickly balance and maintain pool and spa water chemistry.
Quickly Balance and Maintain Your Pool Chemistry
Chemistry Calculator – Enter current levels and instantly see precise chemical dosages for nearly any concentration (1% to 100%) using our advanced pool calculator.
Pool Volume Calculator – Find the exact volume of your pool, hot tub, or Jacuzzi, ensuring accurate chemical dosing every time.
Track and Visualize Your Water Chemistry
Data Logging – Easily save and edit water test results, chemical additions, and maintenance events.
Flexible Tracking – Record multiple parameters, including pH, free, combined, and total chlorine, bromine, total alkalinity, calcium hardness, CYA, borate, ORP, salt, TDS, nitrate, phosphate, water temperature, CSI, LSI, and turbidity.
Reactive Graphs – Spot trends, identify issues early, and keep your water chemistry on target with visual insights.
Customized to Your Unique Pool or Spa
Tailored Recommendations – Enter your liner type and water profile to get personalized targets for your pool or jacuzzi.
Multiple Profiles – Manage up to five different pools or spas, each with unique chemical levels, treatments, and notes.
Dosing Guide – Understand each parameter’s role in pool chemistry, plus usage tips for the most common pool chemicals.
Broad Chemical Support
Balance your pool or spa with a wide range of standard and customizable chemicals, including:
- Disinfection & Chlorine Options
(Calcium Hypochlorite, Sodium Hypochlorite/Bleach, Dichlor, Trichlor, Lithium Hypochlorite, Bromine Granules)
- pH Adjusters
(Sodium Carbonate, Hydrochloric/Muriatic Acid, Sulfuric Acid, Sodium Hydroxide, Sodium Bisulfate/Dry Acid, Sodium Thiosulfate)
- Alkalinity & Hardness
(Sodium Bicarbonate/Baking Soda, Sodium Carbonate/Washing Soda, Calcium Chloride, Calcium Chloride Dihydrate)
- Stabilizers & Specialty Chemicals
(Cyanuric Acid, Pool Salt, Borax Tetrahydrate, Borax Pentahydrate, Boric Acid, Boron Sodium Oxide Tetrahydrate, PR-10,000)
Seamless Backups and Multi-Language Support
iCloud Integration – Safely back up and restore profiles, water test history, and settings.
Metric & U.S. Units – Switch between units for total flexibility.
Language Support – Available in English, Spanish, and French.
Stop second-guessing your pool chemistry. Download Pool Water Calculator today for stress-free pool and spa management with accurate dosing, precise water balancing, and insightful tracking—all in one intuitive app.