- CALCIUM BOOSTER: Boosts calcium in spa and hot tub water
- EASY-TO-USE: Easy-to-use, 1-ounce increases hardness 7 ppm in 500 gallons of water
- PREVENTS FOAM AND HARD WATER: Aids in preventing foam and corrosion of equipment
- PROPER LEVELS: Proper water hardness level should be between 150-400 ppm
- COMPATIBLE WITH: Compatible with chlorine, bromine, ozone, and biguanide sanitizer systems