When brush rotors in oxidation ditch applications approach the end of their useful life, Envirex disc aerators from Evoqua are prudent upgrade replacements. Existing tanks can be used, and disc aerators allow for improved mixing efficiency, lower energy use, simpler operation, considerably less maintenance and elimination of misting. Click here for a short video presentation about the benefits of replacing aging brush aerators in oxidation ditch applications with more efficient Envirex disc aerators