This herbicide can be used to kill above ground weed growth around buildings and other installations, ornamental gardens, walkways, patios, beneath greenhouse benches, fence lines, golf courses, parkways and driveways for control of undesirable broadleaved and grassy weeds. As an aquatic herbicide, this product may be used to control floating weeds, submerged weeds, and marginal weeds infesting the edges of ponds, lakes, and ditches. This herbicide can be used to kill above ground weed growth. Nonsterilants - Nonselective. Water-based, concentrate. 4.35% Diquat Dibromide.