Available from Duke's Root Control Inc.
Duke’s uses the most effective chemicals and methods.
Duke’s continually researches the most effective products available. Razorooter® II is the only diquat-based herbicide registered by the U.S. Environmental Protection Agency (EPA) for controlling nuisance tree roots in sanitary sewer line collection systems and received a classification of “evidence of non-carcinogenicity for humans” (USEPA Diquat R.E.D. Facts, July 1995).