Gnatrol is a strain of Bacillus thuringiensis v. israelensis (BT's) that specifically controls the larva of fungus gnats and helps break the reproductive cycle to get rid of them! BT's are a biological pesticide that contain naturally occurring bacteria in different strains that target specific insects. BT's are not known to be toxic to animals, birds, humans, fish or beneficial insects. They do not persist in or contaminate the environment in any way.
Gnatrol is required to have EPA warning and caution labels as is the requirement by law for ANY registered pesticide- whether they are considered acceptable for organic use, environmentally friendly or not.
Use as a foliar spray, growing medium or soil drench, or in you nutrient solution. Dilution Rate: 1-2 tsp/Gallon