Our products can be found at your local Hydroponics store. Our products are Exempt From US EPA Registration Under The Federal Insecticide, Fungicide and Rodenticide Act (FIFRA). All Spider Organics products are contact sprays that are ready to use out of the bottle (do not dilute) except our ready to mix concentrates. At the first sign of any problem spray plants leaves especially the bottom sides, stems and fruits and flowers until complete saturation is achieved. If necessary spray at three to five day intervals. Up to three times. Followed by Spider Organics Mite and Mold Rinse at any stage of growth up to three days before harvest.