ViaOxy, a highly concentrated food grade Hydrogen Peroxide for sterilization of equipment and use with nutrient solution to maintain sterility in the reservoir. Kills root rot pathogens and helps fight root born pests while introducing more oxygen into the root zone. Use sparingly. We recommend 1/2 tsp. per gallon for use with plants or 2-3 tsp. per gallon for sterilizing equipment. Concentrate may cause skin irritation if spilled, gloves are recommended. Available in Quarts and Gallons.