Powdered chlorine, also known as Trichloroisocyanuric acid, is a disinfectant directly added to pool water. It can be used for shock chlorination with its high active chlorine content.
It is easy to use and economical. It is a pool chemical used for routine chlorination in pools. It should be used with a shock chlorination agent during season opening, weekly shock chlorinations, winter preparations, and as an algaecide. It is used for continuous disinfection of pool water due to its slow dissolution in water. It does not leave any residue in the water.