Bioguard Pool Balance Pak 300

Calcium Hardness Increaser BioGuard Balance Pak 300 A fast-dissolving calcium hardness increaser required in all pools to prevent corrosion of equipment and metal fittings. Prevents hing and roughness of plaster finishes from low calcium. Prevents corrosion of equipment and metal fittings. No pre-dissolving. Granular formulation allows for faster dissolving. Less likely to cloud the water &hellip