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The Leisure Time Calcium Boost liquid calcium hardness booster quickly spa and hot tub of pool equipment. One ounce raises the calcium hardness 7 ppm in 500 gallons of water.Turn jets ON to circulate spa water then pour required amount into the water. Run filter for 1-2 hours and then retest water to ensure proper hardness level has been reached. Repeat until proper level of 150-400ppm is obtained.
- Raise the level of water hardness, which helps prevent foaming and corrosion of equipment to extend the life of your spa.
- Helps prevent corrosion
- Compatible with chlorine, bromine, ozone and biguanide sanitizers
- Properly balanced spa water should maintain a hardness level of 150-400 ppm.
