Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Clean Screen Add a packet of FROG

Add a packet of FROG Maintain® for Swim Spas to maximize the life of the SmartChlor Cartridge up to one more week

blended with the tantalizing aroma of mint

Sweetwater Series: (Bahia Palmero Cayman Caprio) in 2006

The Tylö Brilliant Sauna Bucket is constructed from anodized aluminum with a birch/aspen wood handle for longevity and strength

Use the XL Vanishing Act bag when the calcium hardness level in your fill water is 150ppm or higher

Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Clean Screen Add a packet of 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,