If the water in the swimming pool is not disinfected, germs can easily grow, and a slippery and dirty layer of microbial algae adheres to the walls of the pool. Contaminated pool water will also infect swimmers, ranging from skin infections to severe infections to the eyes and respiratory organs. If TCCA is added to the swimming pool water, not only the water color is blue, clear and shiny, but the pool walls are smooth and free of adherents. The user feels comfortable, and it is harmless to the human body under the use concentration, and the sterilization efficiency is high, which is very beneficial to the protection of people's health