Cal-hypo dose calculator
PROCal-hypo (65%) to raise your free chlorine.
Inputs
Result
Cal-hypo (65%)
1.2 oz
Grams
34 g
The formula
oz = (gallons ÷ 10,000) × 0.2 × ppm to raise.
Worked example
20,000 gal + 3 ppm = 1.2 oz cal-hypo.
Frequently asked
›Raises calcium?
Yes — expect ~7 ppm calcium hardness per 10 ppm FC dose.