Leisure Time Calcium Hardness Increaser is used to elevate low levels of calcium hardness in water. Low hardness can cause corrosion of internal components. Ideal hardness level for your spa is 150-400 ppm. (32 oz. Bottle)
Leisure Time Spa Calcium Hardness Increaser, 32 oz

Out of stock
- Brand
- Leisure Time
- MPN
- CB
- SKU
- 6960
- Special liquid formula designed to raise hardness levels in hot water applications – especially spas and hot tubs!
- Helps prevent water foaming and corrosion of equipment to extend the life of the spa and its’ equipment.
- The ideal range of calcium hardness levels is between 150-400 ppm.
- Compatible with chlorine, bromine, ozone and biguanide sanitizers.
- Ships in quart-sized bottle.