Powerful, convenient and effective for treating holding tank odor. Offered as a liquid in Quart, Gallon, 8oz. 3-Pack and in convenient, dissolvable toss-in packets, this treatment liquifies waste and breaks down tissue fast to prevent clogging. Contains no formaldehyde, is 100% biodegradable, and leaves a refreshing scent. 8oz. of liquid or one toss-in packet treats 40 gallons of holding tank capacity.