Citra-Plus Cleaner and Degreaser, Gallon. Biodegradable and non-toxic. A non-greasy formula that makes it ideal for cleaning around your home, auto and more! It is very economical to use, just dilute with water to desired strength. Wash floors of all types and watch soap scum dissolve before your eyes. Clean burnt on food stains, vinyl siding, mold and mildew without expensive equipment, plus thousands of other uses.