BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Jacuzzi Spring-Ready Cover

Spring-Ready Cover

Dual-action as both sanitizer and oxidizer—handles germs and organic waste in one step

replace when no longer absorbing effectively

a powerful quaternary ammonium formula designed specifically to eliminate stubborn algae blooms while protecting your plaster surface

BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Jacuzzi Spring-Ready CoverBioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb (23471BIO) boosts low calcium levels fast for corrosion proof pools and silky smooth water. Hardness Helper for Happy Pools! This quick dissolving granular calcium chloride raises hardness to the ideal 200 400 ppm range, preventing liner wrinkling, plaster etching, and equipment damage from soft water. Broadcast in the deep end with