Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Freshwater Smart Monitoring System The gray SmartChlor cartridge lasts

The gray SmartChlor cartridge lasts up to 4 weeks and the blue Mineral cartridge lasts up to 4 months

filtration

(1) 1 3/8" x 1 3/8" Patch

Sundance® Spas Jet Face Rotating Intelli-Jet Directional Jet 5in

Did You Know

Sirona™ Calcium Booster 32 fl.oz - Liquid Calcium Hardness Increaser for Hot Tubs Freshwater Smart Monitoring System The gray SmartChlor cartridge lastsSirona 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,