HydroOrganics HOGNCO16OZ 16-Ounce Hydro Organics goGNATS Liquid Concentrate Plant Supplement Used as a plant and area spray, added to nutrient reservoirs or used as a soil drench Can be applied as an area spray or added to fertilizers and applied during feeding For hydroponics, it is recommended to add directly to reservoirs on a regular basis Available for indoor/outdoor plants Control of soil-fungus gnats, mites, aphids, moths and other garden and hydroponic pests Not sold in IN,KY,MS,TN,VT,KS