Sirona Calcium Up 32oz
Get the absolute most out of your Edge Tub with Sirona™ Calcium Booster. The unique liquid product goes into solution immediately to raise the level of water hardness, which helps prevent foaming and corrosion of equipment.
– Spa water hardness level should be between 150 and 400 ppm
– Compatible with chlorine, bromine, ozone and biguanide sanitizers