This new product takes Trichloroisocyanuric acid as the essential component. It can strongly kills and extinguishes the bud and spore of bacterium, the bacterium reproduce form, the fungus and all kinds of pathogenic microorganism, the hepatitis virus, flu virus etc. It has special effect to kill and extinguishes. It can also fast kill and extinguishes algaes, suppresses growing of blue-green algae, red algae, seaweed. Effective chlorine: 90%min Specification: 200 grams/Tablet, 5Tablet/barrel Application scopes: Swimming pool water body disinfection Amount of usage:Each cubic water 2-3 gram(i.e.: Every 1000 cubic water add 2-3 kilogram).Adjusts the amount according to the population of swimming pools and quality of the water, elarge inputs at the peak peried.Swimming Pools with circulatory system can places the tablet in the hair accumulator or the water inlet, the pill dissolves slowly, carries on the sterilization disinfection to the water body to extingush the algae.