Brilliance Calcium Hardness Increaser

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Brilliance Calcium Hardness Increaser Calcium Hardness Increaser is used to increase the calcium hardness of spa water. The calcium hardness level in your spa should be maintained between 200-400 ppm to prevent corrosion of spa equipment. Features: Raises spa water calcium hardness levels Helps prevent corrosion Quick dissolving 14 Ounces Dosage Amount (dosage charge on bottle): Example; to raise calcium levels 2 ppm add 1-1/2 ounces per 400 gallons of water. Show more