... %min High Content, Low Impurity 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Product Name ] : 1,3-Dichloro-5,5-Dimethylhydantoin ( DCDMH )[ Formula ] : ... fish, turtles, shrimps,crabs,frogs, shellfish etc., for preventing and treating diseases caused by bacteria, fungi, ... viruses etc. 2. Disinfection of gloves, clothes, appliances, environments and human bodies.3. Disinfection of equipment, ...