... delivery free samples ISO certification water treatment chemical Trichloroisocyanuric Acid (TCCA) 90% tablet1. Water treatment: Swimming-pool, drinking water, industrial circulating-cooling water2. ... 8-30mesh ,20-40mesh,20-60mesh) or tablet with irritant odor(1g, 5g, 10g, 15g, 20g, 30g, 50g, 100g, 125g, 150g ... net, Store in cool, dry, well ventilated area. water treatment chemical tcca 90% tablet