Every number for crystal-clear water
Size your pool, then dose chlorine, salt, stabilizer, pH, alkalinity, and shock to your exact gallons, backed by straight-talking care guides and gear picks. Chlorine and saltwater, inground and above-ground.
Length
32 ft
Width
16 ft
Avg depth
5 ft
19,150 gallons
72,500 L · 40 GPM turnover
Pool chemical calculator: doses at a glance
Our pool chemical calculators size every dose to your gallons. Rule-of-thumb doses per 10,000 gallons, each one worked out exactly on its calculator page (updated 2026). Retest after every addition and add chemicals to water, never the reverse.
| To do this | Add about (per 10,000 gal) | Calculator |
|---|---|---|
| Raise free chlorine 1 ppm | 10.7 fl oz of 12.5% liquid chlorine | Pool chlorine calculator |
| Raise alkalinity 10 ppm | 1.5 lb of baking soda | Pool alkalinity calculator (baking soda) |
| Lower alkalinity 10 ppm | 25 fl oz of 31% muriatic acid | pH and alkalinity calculator |
| Raise stabilizer (CYA) | Depends on your gallons and target | Pool stabilizer calculator |
| Reach your salt target | Depends on your gallons and target ppm | Pool salt calculator |
Algaecide is dosed from the label for your pool size; see algaecide vs shocking before using it. Start every dose with the pool volume calculator.
Most-used calculators
Tap a tool, enter your numbers, get an exact dose plus the gear that fits.
Explore the whole hub
Calculators
10 free tools to size and dose your pool.
Explore → ⚗️Water & Chemistry
Balance, sanitizer, and the CYA relationship.
Explore → ⭐Gear Reviews
Pumps, filters, robots, salt systems, heaters.
Explore → 🛒Equipment Setups
Tiered shopping lists from budget to premium.
Explore → 📊Reference Charts
Ideal ranges and dosing tables to bookmark.
Explore → 🛟Troubleshooting
Fix cloudy water, algae, and stubborn pH.
Explore → 📘Guides
Opening, closing, weekly care, going salt.
Explore →Dosed to your exact pool
Enter your gallons once and every chlorine, salt, acid, and shock dose is calculated precisely, no guesswork and no wasted chemicals.
Chlorine and saltwater
From a first above-ground pool to a saltwater inground, the tools and guides cover both systems and the CYA relationship that ties them together.
Safe and straightforward
Clear, accurate advice with the safety basics built in, so you can balance your water confidently and get back in it.
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