Our pool chlorinated tablets contain trichloroisocyanuric acid, dichloroisocyanuric acid. Keeping your pool water clear also creates a healthy swimming environment. It can quickly dissolve microorganisms or algae in the pool, and the effect is long-lasting, keeping the pool clean. Its use is simple: simply place the pill into a skimmer or float in a swimming pool. The tablets will gradually dissolve within 24 hours, cleaning the pool. Easy to use, save the time and effort of manually cleaning the pool, and make swimming safer and happier.