Pure Power™ Green Waste Digester and Odor Eliminator (V22002) by Valterra®. Volume: 32 oz. Bottle. Super concentrated bacteriological formula - use only 2 oz. per treatment in both black & gray tanks! Let the natural efficiency of bacteria & enzymes keep your holding tanks clean and odor-free. Put the power of this proprietary microbial formula to work for you and see what a difference it makes. This chemical-free solution is accepted at all campgrounds, RV parks, and RV/Marine dump stations. Safe to use in all septic systems. Will not harm children or pets. Fresh wintergreen fragrance. Convenient tear and pour packets just one packet treats up to 40-gallon black or gray water tanks. Accepted at all campgrounds and enhances septic tanks. Keeps tanks clean with a fresh clean scent.