Remove the plastic wrapping, if applicable, and place the tablets in a floating dispenser or chlorinator. Never place tablets in direct contact with pool surface or in areas of still water. If placing in a dispenser, please ensure the tablets are of the same chemical (Trichloroisocyanuric). Check chlorine levels regularly with a test kit and maintain a chlorine residual of between 2-3mg 1 (ppm). Check PH value regularly with a test kit and maintain a level of 7.2 to 7.6