WEEDTRINE-D is a broad spectrum liquid aquatic herbicide for use in and around still lakes, ponds, lagoons, ditches, non-crop or non-planted areas controlling a broad range of filamentous algae and submerged and floating aquatic weeds. Containing 8.53% active diquat dibromide, Weedtrine-D acts as a potent contact killer in plants by disrupting cellular membranes allowing Weedtrine-D to enter plants "short circuit" the plants ability to convert light into energy known as "Photosynthesis".