Pool & Hot Tub Chemical Calculator

Enter your water volume and test results to get chlorine and pH adjustment amounts.

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Water Type

Water Volume

Don't know? Use the Volume Calculator.

Water Test Results

Target Levels

Pools: Chlorine 1–3 ppm, pH 7.2–7.6. You can override below.

Chemical Type

Recommended Levels

See the full reference chart:

Maintenance Schedule

Schedule

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    WaterBalanceTools provides practical calculators and guides for pool and hot tub water chemistry. These tools are designed to help maintain safe chlorine, pH, and total alkalinity within a healthy water balance.

    Published by Water Balance Tools · Operated by Albor Digital LLC

    Last updated: April 2026