BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Jacuzzi Recommended use: Hot tubs and

Recommended use: Hot tubs and spas

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Discover effortless swim spa care with the FROG @Ease Swim Spa Sanitizing System Kit

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Uses: Pool vacuum hose

BioGuard Balance Pak 300 Calcium Hardness Increaser 7lb 23471BIO Jacuzzi Recommended use: Hot tubs andBioGuard 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