Haviland 10LB Hardness Plus Calcium Hardness Increaser For Pools SmartChlor The reinforced handle adds strength

The reinforced handle adds strength without bulk

All-in-one weekly system: consolidates start-up

Long shelf life and reliable storage: 3-year shelf life means you’ll have a dependable sealant on hand when projects arise

Saves time and money by preventing unnecessary purchases and repeated applications

Brand-wide compatibility: Suitable for all major salt chlorine generator brands

Haviland 10LB Hardness Plus Calcium Hardness Increaser For Pools SmartChlor The reinforced handle adds strengthHaviland 10 LB Hardness Plus Calcium Hardness Increaser For Pools Intro Designed to safely raise calcium hardness in pool water, Haviland Hardness Plus protects surfaces from corrosion and premature wear. By restoring proper calcium levels, it helps prevent pitting, etched plaster, and metal corrosion. This granular formula is compatible with all sanitizing systemschlorine, bromine, mineral sanitizers, and biguanideso you can maintain a balanced water