Pramitol active ingredient (Prometon 25%). Pramitol is a bare ground herbicide that has been widely used by industrial and commercial applicators. If the area to be treated has been overgrown it is recommended that you use a product like Roundup to treat the area first. This will help the Pramitol reach the soil and control weeds and grasses for a longer period of time. Pramitol can be used around buildings, storage areas, fences, recreational areas, fuel tanks, roadways, guardrails, airports, highway medians, pipelines, railroads, lumberyards, right-of-ways, and other similar areas. Pramitol controls many weeds for a extended period of time including johnson grass. Please refer to the label for specific uses and rates.