Calcium hardness is an integral component of water chemistry. Soft fill water can cause low hardness levels, which leads to the corrosion of pool surfaces and fixtures. 

100% Calcium Chloride

A convenient granular product for raising calcium hardness. Addition of this product as required will help protect pool from corrosion & help prevent staining.

Raise calcium hardness in water to recommended level
Help protect pool surfaces, plumbing, and equipment from corrosive conditions
Available in various sizes