Used as a disinfecting agent in swimming pools, Trichloroisocyanuric acid and chemical is ideal for achieving sparkling clean and clear water. The Trichloroisocyanuric acid granular 90% is available with chlorine and has no side-effects on hair,eye or skin.This chemical provides lasting effects in keeping your swimming pool free from algae and bacteria. Perfect for water treatment it is used in algae elimination and disinfection of circulating water.