Swimming pool disinfection tablets are a common method of swimming pool disinfection. At present, there are two kinds of chlorine-containing disinfection tablets with a content of about 50% and about 90%. The content of about 50% dissolves quickly, called instant chlorine tablets, and the content of about 90% dissolves slowly, called slow-dissolved chlorine tablets, which have high chlorine content. , although the dissolution is slower, but the disinfection effect lasts longer. Chlorine tablets, it has good storage, high stability, good convenience and good sterilization effect. Widely used for disinfection of swimming pools, domestic water and industrial water.