SpaPure Calcium Hardness Increaser (16 oz) Non Chlorine An Acid Demand Test directly

An Acid Demand Test directly estimates amounts of this product needed to lower pH to 7

Broadcast the entire dosage into the deep end of the pool

or where well water is the pool water source

With pump on

Sundance® Spas Diverter Cap O-Ring

SpaPure Calcium Hardness Increaser (16 oz) Non Chlorine An Acid Demand Test directlyThe SpaPure Hardness Increaser is a granular product that is designed to safely raise the calcium hardness levels in your spa water. Regular use of this product will stop and prevent the corrosion of your spa's surfaces. This product is compatible with all systems including bromine, chlorine, mineral sanitizers, and biguanide. Safely raise the calcium hardness levels in your spa water Stop and prevent the corrosion of your spa's surfaces Compatible