... 1,3-Dichloro-5,5-Dimethylhydantoin) Content: 98%min Active Chlorine: 70%min High Content, Low Impurity 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Product Name ] : 1,3-Dichloro-5,5 ... various bacteria, fungi, viruses. Hence, widely used:1. In the cultivation of aquatic organisms, such as ... caused by bacteria, fungi, viruses etc. 2. Disinfection of gloves, clothes, appliances, environments and ...