Water needs calcium hardness. If your levels are too low, a small addition of Hardness Increaser brings the levels up safely while not clouding the water. When levels are ideal, you will prolong the life of your spa. The water will also be less aggressive and corrosive.
Helps maintain Calcium Hardness levels between 150-300 ppm
Helps prevents cloudiness and equipment corrosion
Promotes better water balance; Compatible with all sanitizers
Made in the USA
Apply to the spa while the water is circulating
1 ounce (2 tbs) per 500 gallons of spa water will raise calcium hardness level approximately 10 ppm
Out of stock