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 foaming and equipment corrosion
- Promotes better water balance; Compatible with all sanitizers
- Made in the USA