#natural-chemistry-04105
Natural Chemistry Calcium Hardness Increaser 1.75 lbs

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.

• Brings calcium hardness level to an ideal range
• Reduces cloudy water caused by low calcium levels