Valterra V22003 Pure Power Green, 1/2 Gallon

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. Keeps tanks clean with a fresh clean scent.