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Water needs calcium hardness. If your levels are too low, a small addition of Spa Pure Calcium Hardness Increaser brings the levels up safely while not clouding the water. When levels are ideal, you will prolong the life of your spa. The water will also be less aggressive and corrosive.

Spa Pure Granular Hardness Increaser

SKU: 1024Q
1 Pound
Excluding Sales Tax
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