BROMOTAB is a white solid in tablet form. BROMOTAB effectively controls undesirable growth of biofouling organisms in water systems. BROMOTAB’s structural formula contains bromine and chlorine attached to a dimethylhydatoin molecule. The advantage of this bromine chemistry is noticeably greater in systems operating above a pH of 7.0. Recently BROMOTAB has proven successful in many diverse water treatment applications including swimming pools and hot tubs.