How Much Chlorine for a 20,000 Gallon Pool?
Approximate chlorine amounts for a 20,000 gallon pool (from 0 ppm).
Chlorine dosage (to reach target from 0 ppm)
- To 2 ppm: 0.31 oz liquid chlorine (10%) or 4.0 oz granular shock
- To 3 ppm: 0.47 oz liquid chlorine (10%) or 6.0 oz granular shock
For your exact current level, use our Pool Chlorine Calculator.