Spa Essentials Calcium Hardness Increaser

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Spa Essentials Calcium Hardness Increaser provides spa owners with an easy and effective way to increase their spa calcium hardness levels to problems that will affect the long-ter m life of their spas. Calcium Hardness Increaser raises and helps maintain the proper levels of calcium, which when imbalanced will cause corrosive damage to spa equipment, fixtures, and tub surfaces. This one-step treatment will make owning and enjoying a spa easier than ever. Show more