Indigo ProForce Slinger 240 Industrial Herbicide 10LSlinger 240 Industrial Herbicide concentrated for Industrial and Woody Weed Control and is a non scheduled chemistry: Products containing Triclopyr are generally S6 Poisons. ProForce Slinger 240 Industrial Herbicide contains the active ingredient 240g L Picloram present in the form of Potassium salt. It is registered for the control a wide range of environmental, noxious, perennial and annual weeds in a range of situations including Agricultural non