Alligare PRO MSM 60 Herbicide is a dispersible granule that is mixed in water and applied as a foliar spray. The use of Alligare PRO MSM 60 Herbicide under this Special Local Need registration is specific to applications for control of Giant Salvinia (Salvinia molesta) in/on freshwater sloughs, marshes, lakes and other quiescent water bodies which are managed and /or regulated by the state or federal agency responsible for aquatic plant management activities.