Sirona™ Calcium Booster 1 lb. - Granular Calcium Hardness Increaser for Hot Tubs
SironaSirona™ Calcium Booster will effectively raise the level of calcium in spa water. The granular formulation will gradually increase water hardness which will help prevent the corrosion of equipment and foaming caused by soft water.
To figure out the dose of calcium hardness increaser for your hot tub gallons, just follow the chart that is on the back of the bottle.
Size: 1 lb.
Sirona™ Calcium Booster is compatible with almost all hot tub sanitization systems such as silver ion/granulated chlorine systems, salt systems, bromine tabs/floater systems, Spa Frog @ease Smartchlor, Spa Frog Serene, Baqua Spa, Sirona Simply and ozone.