Sirona™ Specialties Prevent Our highly concentrated formula prevents iron and other metal build-up from staining spa surfaces for a truly beautiful experience. Prevent is compatible with chlorine and bromine sanitizers Prevents iron and metal build-up from staining spa surfaces for a truly beautiful experience Add at start-up Each bottle treats up to 500 gal. of spa water for clean, worry-free results Pair with Sirona™ Defend to prevent scale formation in spa and hot tub water Sirona™ Specialties maintain restorative spa water and transform every spa into a soothing sanctuary.
