Pool Chlorine Calculator
Calculate exactly how much chlorine your pool needs.
For full water balance, use the main Pool Chemical Calculator.
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Recommended Levels
See the full reference chart:
Quick tips
Ideal chlorine level for pools: 1–3 ppm. Test 2–3 times per week and add chlorine as needed.
- Typical range: 1–3 ppm chlorine
- Recommended pH: 7.2–7.6
- Test water regularly
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.
Last updated: April 2026