Sodium hypochlorite has the potential advantages over Trichloroisocyanuric acid(TCCA) which are listed below: 1) TCCA is more costlier than sodium hypochlorite. 2)TCCA lowers the alkalinity of the swimming pool water. 3)TCCA corrodes equipments and pool tiles if not used propely and to neutralise the effects caused by TCCA, extra chemicals are required which increases the overall cost. 4)Sodium hypochlorite doesn't have a significant limit in water becuase it doesn't cause serious damages to human body.