Pool Chlorine Calculator
Calculate exactly how much chlorine your pool needs.
Free Printable Resources
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.
Frequently Asked Questions
How much chlorine should I add to my pool?
Most pools should maintain 1 to 3 ppm chlorine. Test 2–3 times per week.
What is the ideal chlorine level?
For pools aim for 1–3 ppm; for hot tubs 3–5 ppm.
Related Pool Chemistry Guides
Related in this topic
- Chlorine Vs Bromine
- Free Chlorine Vs Total Chlorine
- Liquid Chlorine Vs Tablets
- Pool Shock Vs Chlorine
- Salt Water Pool Vs Chlorine Pool
Related topics
Tools
Hub guide
- 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.
The target range this calculator doses toward (1-3 ppm, or 2-4 ppm with cyanuric acid) is supported by the sources below. The dosing formula's product-concentration assumptions have not been independently verified against a specific manufacturer reference -- see the Assumptions link above.
Sources
- Home Pool and Hot Tub Water Treatment and Testing — Centers for Disease Control and Prevention (CDC) (Government / public health authority)
- Model Aquatic Health Code (MAHC), 4th Edition — Centers for Disease Control and Prevention (CDC) / Council for the Model Aquatic Health Code (Government / public health authority)