Easy Balance is a world innovation in aquarium maintenance. With Easy Balance you only have to change aquarium water twice a year. Regular use of Easy Balance eliminates the strenuous and time-consuming troubles of frequent water changes by keeping aquarium water biologically and chemically balance for 6 months. Stablizes pH and alkalinity (KH) levels for fish and plants. Reduces phosphate levels for improved water quality. Water conditioner for all fresh water aquairums.