Sirona Calcium Booster Spa Hardness Increaser Filter Parts Why a Quality Backwash Hose

Why a Quality Backwash Hose Matters

Draining spas

Reduced emergency equipment issues

No CYA Added – Contains no cyanuric acid

not a replacement part for an existing cleaner

Sirona Calcium Booster Spa Hardness Increaser Filter Parts Why a Quality Backwash HoseSirona Calcium Booster is a fast dissolving granular treatment designed to raise calcium hardness levels in spas and hot tubs. Proper calcium hardness is essential for protecting spa surfaces and equipment, especially in low calcium or softened water where corrosion and etching can occur. When calcium levels are too low, spa water becomes aggressive and can damage heaters, pumps, plumbing, and acrylic surfaces. Sirona Calcium Booster corrects this