PoolFix Calcium Hardness Increaser

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This calcium hardness increaser quickly raises calcium levels in pools to prevent corrosive water conditions. The granular mini pellets dissolve easily and work in all pool types t o maintain proper water balance. Key Features 94% calcium chloride active ingredient — fast-acting and reliable Granular mini pellet form — dissolves completely without residue 1.25 lb per 10,000 gallons raises hardness approximately 10 ppm Maintains recommended calcium hardness range of 200–400 ppm Low calcium hardness can cause plaster etching and metal corrosion. Test weekly and adjust as needed to protect your pool surfaces and equipment. Show more