1" Inch Swimming Pool & Spa Bromine Sanitizer Tabs Tablets - 100 lbs

Its germ and algae killing is much less dependent on pH than is chlorine and there is no stabilizer build up. These tablets contain 66.8% Bromine and 25.4% Chlorine. Bromine dissolves at only 10% the speed that chlorine does, and as a result requires more surface area exposure.