Natural Chemistry Spa Calcium Hardness Increaser, 1.75 lb, Single Pack, Raises Hardness in Spa & Hot Tub Water, Reduces Cloudy Water Caused by Low Calcium Levels

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.

• Raises Calcium Hardness: Natural Chemistry Spa Calcium Hardness Increaser boosts the calcium hardness level in your spa or hot tub, which is an important factor in overall spa maintenance.
• Ideal Calcium Hardness Level: Spa Calcium Hardness Increaser prevents problems due to low calcium by steadily raising the hardness level into the optimal range of 150 to 250 ppm, protecting spa equipment and making its water clear and comfortable.
• Protects Equipment: Low calcium hardness levels can be corrosive to spa surfaces, plumbing, heaters, and other equipment that can cost considerable money to repair. It also can cause eye and skin irritation for bathers. Using this product helps prevent all these problems.
• Directions: Test spa water for calcium hardness level. Compare test results to chart on bottle to determine appropriate amount of Natural Chemistry Spa Calcium Hardness Increaser necessary to make adjustment. With spa circulating pump on high speed add required amount directly into spa water. Continue circulating water for a minimum 20 minutes. Do not pre-dissolve this treatment as heat is generated when it contacts water. Retest and adjust if necessary.
• Tested and Proven Effective: Natural Chemistry products are known for delivering reliable results and making water care less complex. Natural Chemistry carries an extensive line of pool and spa solutions that match your unique needs.