Halosulfuron-Methyl Herbicide is the most effective control of nutgrass and mullimbimby couch in turf, cotton, sorghum, maize and sugarcane. It is a highly concentrated, easy to use granular herbicide. Available in a handy 25g pack size which comes with a measuring spoon.
Halosulfuron-Methyl is a Group B Herbicide and is found in a number of other branded products such as Nufarm Sempra and Amgrow Sedgehammer. Enviromax Halosulfuron will give you identical results at a fraction of the price.