Copper Sulfate Granular Copper Sulfate/algaecide 5# for Ponds, Fountains, Lakes Pramitol 25% (Prometon Salts) Pramitol 25E is for use in commercial areas like storage facilities, fence lines, tank farms, railways, pipelines, and lumber yards. A common use of Pramitol is to control weeds and other vegetation under driveways and parking lots. Pramitol is not recommended for use in residential areas. Pramitol 25E can be applied before or up to 3 months after weed emergence. Application rates vary from 4 - 10 gals. of Pramitol 25E per acre depending on climatic conditions, soil type, the weeds present, and the stage of growth of the weeds. In the following rate recommendations, the higher rates are intended for use on heavier soils where weed growth is heavy and where rainfall is expected to be relatively high. The higher rates should also be used where longer residual control is desired in