Trichloroisocyanuric Acid Granular (TCCA) is a disinfectant, algicide and bactericide mainly for swimming pools. It is also used as a bleaching agent in the textile industry. It is widely used in civil sanitation for pools and spas, preventing and curing diseases in animal husbandry and fisheries, fruit and vegetable preservation, wastewater treatment, as an algicide for recycled
In water treatment bromine is used as an alternative for swimming pool disinfection, and for cooling tower disinfection by chlorine. Disinfection with bromine In the United States bromine has been used since the 1930's for the disinfection of water.