Calcium Hardness Increaser 

Calcium Hardness Increaser 

5 Lbs. -Guardex (23435OMN )

Used to raise calcium hardness in swimming pool water. This chemical helps to keep water from becoming corrosive and causing surface damage. Calcium Hardness Increaser is an integral part of maintaining proper water balance.
SKU BOL-50-8319 
Our price: $17.05
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