# Pool Chemical Calculator App Pool chemical calculator app that runs in any mobile browser with no install. Calculate chlorine, pH, alkalinity, and cyanuric acid doses from your phone. ## What this calculates This pool chemical calculator app runs in any mobile browser. No App Store download, no Play Store install, no account signup. Save this page to your phone's home screen and get a one-tap chemical dosing tool that handles chlorine, pH, alkalinity, and cyanuric acid for any pool volume from 500 gallons up to 200,000 gallons. Uses the same dosing formulas as the paid pool chemical calculator apps. ## Inputs - **Pool Volume** (gallons) — min 500, max 200000 — Use the Pool Volume Calculator if you don't know your volume. - **Current Free Chlorine** (ppm) — min 0, max 10 — Test with strips or drop kit. Target is 1-3 ppm. - **Target Free Chlorine** (ppm) — min 1, max 5 — Ideal range 1-3 ppm; 3 for shock maintenance. - **Current pH** — min 6, max 9 — Ideal range 7.4-7.6. - **Target pH** — min 7, max 8 - **Current Total Alkalinity** (ppm) — min 0, max 300 — Ideal range 80-120 ppm. - **Target Total Alkalinity** (ppm) — min 80, max 150 - **Current Cyanuric Acid (CYA)** (ppm) — min 0, max 150 — Also called stabilizer. Ideal 30-50 ppm. - **Target Cyanuric Acid (CYA)** (ppm) — min 30, max 80 ## Outputs - **Liquid Chlorine (10%)** — Sodium hypochlorite / liquid bleach at 10% available chlorine - **Granular Chlorine (Cal-Hypo 65%)** - **pH Adjuster** — formatted as text - **Alkalinity Increaser (Baking Soda)** - **Cyanuric Acid (Stabilizer)** - **Recommended Dose Sequence** — formatted as text ## Details Pool Chemical Calculator App Target Ranges - Free Chlorine: 1-3 ppm (3 ppm when shocking) - pH: 7.4-7.6 - Total Alkalinity: 80-120 ppm - Cyanuric Acid: 30-50 ppm outdoor, 0-20 ppm indoor - Calcium Hardness: 200-400 ppm Dosing Formulas Used by This Pool Chemical Calculator App - Liquid chlorine (10%): 10.5 oz per 10,000 gal raises free chlorine by 1 ppm - Granular cal-hypo (65%): 1.55 oz per 10,000 gal per 1 ppm - pH Up (soda ash): 6 oz per 10,000 gal raises pH by 0.2 - pH Down (dry acid): 12 oz per 10,000 gal lowers pH by 0.2 - Muriatic acid (31.45%): 26 oz per 10,000 gal lowers pH by 0.2 - Alkalinity increaser (baking soda): 1.5 lb per 10,000 gal raises TA by 10 ppm - Cyanuric acid: 13 oz per 10,000 gal raises CYA by 10 ppm These are the same industry-standard formulas used by the Pool Math app, Pool Chemistry Monitor, and every other pool chemical calculator app on the stores. Why Use a Pool Chemical Calculator App? Guessing chlorine and pH doses is how pools turn cloudy, green, or dangerous. A pool chemical calculator app takes the math off the top of your head and gives you precise ounces and pounds for the volume and ppm difference you have right now. The two biggest wins: - No overdosing. Pool chemical overdoses cost money and can damage equipment (muriatic acid is especially unforgiving). A pool chemical calculator app prevents the "dump and hope" approach. - Correct dose sequence. The order matters: alkalinity first, pH next, CYA third, chlorine last. This pool chemical calculator app shows the sequence alongside each dose. How to Use This Pool Chemical Calculator App From Your Phone - Test your pool water with strips or a drop-based kit. - Open this page in your phone browser (Chrome, Safari, Edge, Firefox). - Enter pool volume and your test results for chlorine, pH, alkalinity, and CYA. - The app returns exact ounces of liquid chlorine, pounds of cal-hypo, ounces of pH adjuster, pounds of baking soda, and ounces of CYA. - Add chemicals in the order the app shows, waiting at least 4 hours between each. To use it like a native app, tap the browser's "Add to Home Screen" option. Chrome on Android and Safari on iOS both create a one-tap icon that launches this page instantly. Pool Chemical Calculator App vs Native Mobile Apps Most native pool chemical calculator apps cost $2-10 or push ads. This web-based pool chemical calculator app is free, never needs updating, and works identically on iPhone, Android, iPad, and any laptop. The math is the same. The only thing native apps add is offline access, which matters only if you dose chemicals in a field with no cell signal. For a typical backyard pool, the web version is simpler and the total cost of ownership stays at zero. ## Frequently Asked Questions **Q: Is this pool chemical calculator app free?** A: Yes. This pool chemical calculator app is 100% free, has no ads, doesn't require signup, and never tracks you. Save the page to your phone's home screen and it works like a native app. The math is the same as paid apps (Pool Math, Pool Chemistry Monitor) because they all use the standard industry dosing formulas. **Q: Do I need to download a pool chemical calculator app?** A: No. This pool chemical calculator app runs in any mobile browser, so there's nothing to download or install. Tap the browser menu and pick Add to Home Screen to get a one-tap shortcut that looks and feels like a native app. It works offline once the page has loaded. **Q: Can this pool chemical calculator app handle Intex or Bestway pools?** A: Yes. The pool chemical calculator app uses pool volume in gallons, not pool brand. Enter your Intex or Bestway pool's actual volume (usually printed on the manufacturer sticker or calculated from the Pool Volume Calculator) and the dosing scales correctly. A 10-ft round Intex pool holds about 1,185 gallons and needs very small doses, so measure carefully with a kitchen scale. **Q: What chemicals does this pool chemical calculator app cover?** A: Chlorine (liquid 10% and granular cal-hypo 65%), pH up (soda ash) and pH down (dry acid or muriatic acid), alkalinity increaser (baking soda), and cyanuric acid (stabilizer). These are the five essential pool chemistry categories. Calcium hardness and salt (for salt-chlorine generators) are covered in our separate Pool Salt Calculator. **Q: How often should I run the pool chemical calculator app?** A: Test and dose chlorine and pH 2-3 times per week during swim season, more often in hot weather or after heavy rain. Test total alkalinity, cyanuric acid, and calcium hardness monthly. The pool chemical calculator app takes 30 seconds per check, so running it every other day is painless. **Q: Is the pool chemical calculator app accurate for above ground pools?** A: Yes, exactly as accurate as for in-ground pools. Pool chemical doses depend on volume in gallons, not pool type. A 24 ft round above ground pool at 52 in deep holds about 14,650 gallons; enter that number and the app returns the same precise doses it would for a 14,650 gallon in-ground pool. The chemistry doesn't care about the wall material. --- Source: https://vastcalc.com/calculators/everyday/pool-chemical-app Category: Everyday Life Last updated: 2026-04-08