PacifiClear 25 Lb. Calcium Hardness Increaser Granule Replacement Blade O'Keeffe's Working Hands Hand Cream

O'Keeffe's Working Hands Hand Cream is a moisturizer that heals

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90% available chlorine is released when the product is dissolved in water and works continually to kill bacteria

PacifiClear 25 Lb. Calcium Hardness Increaser Granule Replacement Blade O'Keeffe's Working Hands Hand CreamCalcium hardness increaser made of calcium chloride. Low water hardness could stain or etch the pool surface and corrode equipment, calcium hardness increaser raises water hardness level. Prevents foaming and equipment corrosion. 6 Lb. of calcium hardness increaser per 10,000 gallons of water will raise calcium hardness level by 50 ppm (parts per million).