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.

• Brand Name: Leisure Time
• Sub Brand: Calcium Booster
• Product Form: Tablet
• Product Type: Spa Chemicals
• Product Group: Spa
• Usage: Spa
• Container Size: 32 oz