Hayward W3EC50C93S Perflex Extended-Cycle 25 Sq. ft. Above Ground D.E. Filter System with Power-Flo Matrix 1-1-2HP Pump

Balancer increases the alkalinity of pool water to prevent the pH level from fluctuating Easily maintain the proper alkalinity level of 80-120 ppm Helps maintain proper water balance Usually show the result of a low total alkalinity condition of the pool water Compatible with chlorine, bromine, ozone, salt water pools and biguanide sanitizers