Valent BioSciences Gnatrol WDG Bio Insecticide, 16 PoundsGnatrol is an organic solution for gnats and gnat larvae Gnatrol is a highly selective, biological larvicide for use in greenhouses to control fungus gnat larvae. It may be used on a wide variety of ornamentals, as well as all bulb crops, bedding plants and vegetable sets. KEY BENEFITS Effectively controls fungus gnat larvae Easy to use Gnatrol is OMRI listed for organic production Apply Gnatrol WDG with adequate water by soil drench to sufficiently