Disinfect work areas, benches, pots, buckets and cutting tools. Green- Shield ® also provides residual control while the treated surfaces stay wet without bleach’s odor, irritation and volatility. Green-Shield disinfectant and alegicide is an ideal biodegradable solution for greenhouse and nursery growers. Use 1 tablespoon per gallon of water for disinfecting work areas and containers. Use 1 teaspoon per quart of water for disinfecting tools. Green-Shield is EPA-registered for broadspectrum control of pathogens and algae on greenhouse glass, walkways, evaporative coolers and decorative pools and ponds. Dilution rates as an algicide vary depending on application. Won’t damage clothes. 1 gallon container. USA made.