Can I use Pellets of Fire Ice Melt to raise Calcium Hardness?

Skurzban

Silver Supporter
Jul 3, 2020
57
West Hills, CA
Pool Size
17000
Surface
Plaster
Chlorine
Liquid Chlorine

The product is sold at Home Depot and appears to be one of the highest concentrations of calcium chloride, with the other ingredients being harmless:

INGREDIENTS: Calcium Chloride, 90-94%, CAS. No 10043-52-4; Water, 1.3%, CAS. No 7732-18-5; Potassium Chloride, 1-2%, CAS. No 7447-40-7; Sodium Chloride, 1-3%, CAS. No 7647-14-5
 
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