Natural Chemistry 04105 Spa Calcium Hardness Increaser, 1-3/4-Pound
This Natural Chemistry spa calcium hardness increaser improves bather comfort by bringing calcium hardness into ideal range. It is part of the Adjust group of products used in the spa ease program. Calcium hardness in spa water should be maintained between 150-250 ppm. Protects spa surfaces and equipment. Easy to dose and measure cap. Reduces cloudy water caused by low calcium levels. It can apply as by testing spa water for calcium hardness level. Then compare test results to chart to determine appropriate amount of spa calcium hardness increaser necessary to make adjustment. With spa circulating pump on high speed, add required amount directly to spa water. Continue circulating water a minimum of 20 minutes. Can re-test if necessary. Includes 12 spa calcium hardness increaser per pack. Comes in 1-3/4-pounds container.