BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Toys watertight container keeps strips fresh

watertight container keeps strips fresh and ready for use

Easy setup: Inflates quickly and deflates for compact storage between uses

Pole connection: Fits standard pool poles (not included)

and storage—ready for pool

vinyl adhesive for strong

BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Toys watertight container keeps strips freshBioGuard 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