Swimming Pool Chemical TCCA 90 Granules are a powerful chlorine-based sanitizer used to disinfect and maintain clean, clear water in swimming pools. Containing 90% available chlorine, TCCA ( Trichloroisocyanuric Acid) granules are highly effective at killing bacteria, algae, and other harmful microorganisms, ensuring a safe swimming environment. They are easy to use, dissolve quickly in water, and help stabilize chlorine levels, offering long-lasting protection. TCCA 90 granules are typically added directly to the pool water or through a feeder for continuous, controlled disinfection