High moisture levels in soils and around pots encourage the development of fungus gnats, root aphids, shore flies and other pests. When this occurs, plants will be stunted with reduced growth and leaf drop. 203 has active ingredients that cause pests to dehydrate and die while also, attacking fungus and algae, reducing the food source for pests.203 is made up of 100% pure rosemary & clove botanical extracts highly water soluble. We process raw certified organic botanicals and herbs in-house, ensuring oils and terpenes have a consistent potency across all of our products. The botanical extracts are all food grade GRAS generally recognized as safe when used as directed materials, that are fully biodegradable, and not toxic to animals. It is exempt from EPA registration under minimum risk soil drench pesticide exempted under FIFRA section 25b. It can be used on a wide variety of plants, fruits, and vegetables.Clove Oil.1.50%Rosemary0.53%