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Water hardness describes the total amount of calcium in spa water.  Calcium Hardness Increaser brings the hardness into proper range. Low hardness can result in the corrosion of equipment and spa surfaces and permanently wrinkle vinyl liners. Calcium Hardness Increaser raises the level of water hardness; helping prevent foaming and extends the life of the spa.  16 oz

Calcium Hardness Increase 16 oz.

SKU: 2390
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