Our pool chlorine tablets contain trichloroisocyanuric acid and dichloroisocyanuric acid. They keep the pool water clear and create a healthy swimming environment. They can quickly dissolve microbes or algae in the pool and have a long-lasting effect, keeping the pool clean. They are easy to use: simply place the tablets into the pool's skimmer or float. The tablets will gradually dissolve within 24 hours, cleaning the pool. They are convenient to use, saving time and energy on manual pool cleaning, making swimming safer and more enjoyable