Spa Calcium Hardness Increaser is used to raise calcium hardness in spa water. Calcium hardness in spa water should be maintained between 150-250ppm. Low calcium hardness levels could cause the spa water to be corrosive which may result in damage to the spa surface or equipment.
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Spa Calcium Hardness Increaser
Original price was: $6.89.$3.75Current price is: $3.75.
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