Pool Chemical Calculator
Calculate exact chemical dosages for your pool
Don't know your volume? Calculate it here
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Chlorine Calculator
Calculate chlorine dosage to sanitize your pool
Ideal Range: 2 - 4 ppm
Free chlorine sanitizes your pool and kills bacteria. Below 1 ppm is unsafe; above 5 ppm can cause irritation.
Pool Volume
20,000 gallons
Liquid Chlorine 12.5%
Liquid Chlorine 10%
Cal-Hypo 73% (Granular)
Cal-Hypo 65% (Granular)
Dichlor 56% (Granular)
Trichlor 90% (Tablets)
Amount to Add
32 fl oz
Liquid Chlorine 12.5%
4.0 cups
Tips
• Add in evening, degrades in sunlight