Indigo ProForce Geronimo 800SL Herbicide 10LGeronimo 800SL Herbicide effective & efficient grass weed control. Geronimo 800SL is a broad spectrum post emergent herbicide, containing 800g L of the active ingredient MSMA. It is registered for the control of Crabgrass (Eleusine indica), Summergrass and Paspalum in common and hybrid Couch turf types. Geronimo 800SL is also registered for the control of Prickly Pear, Bathurst Burr, Noogoora Burr, Johnson Grass, Nutgrass, Spiny Burrgrass and