Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Clean Screen You can find the FROG

You can find the FROG @ease SmartChlor® Replacement Cartridge 3pk for the Hot Tub Floating System here

multi-use tube provides multiple treatments

The Caldera 35 Sq Ft

Download the FROG Serene (bromine) In-Line System operating instructions here

1/2" height

Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Clean Screen You can find the FROGSirona Calcium Booster is an efficient calcium hardness increaser for hot tubs and spas. The liquid formulation quickly dissolves in hot tub water to immediately raise the level of calcium hardness. 1 fl. oz of Sirona Calcium Booster will raise the calcium hardness 7ppm in 500 gallons of water. Size: 32 fl. oz Sirona Calcium Booster is compatible with almost all hot tub sanitization systems such as silver ion granulated chlorine systems, salt systems,