BCDMH (1-Bromo-3-Chloro-5.5-Dimethyl Hydantoin) for water treatment or swimming pool treatment Detailed Product DescriptionWe can make good quality ... based in china,we make DMH, BCDMH, BDBMH,DCDMH etc,for Bromine tablets is just BCDMH(1-bromo-3-chloro-5.5 ... 3085Danger class: 5.1 It's mainly for water treatment - Swimming pools, cooling towers, boilers, water features, waste water treatment, pulp ...