Unique Marine Digest-It Holding Tank Treatment - 32 oz. | Liquefies Waste and Eliminates Odors Without Masking | For Black and Gray Tanks | No Strong Fragrances DIGESTS SOLID WASTE With Marine Digest-It you can stop worrying about clogs and backups. Our safe, earth friendly formula works quickly to liquefy waste so your tanks empty easily and never backup. You can even stop using expensive 1-ply toilet paper! ELIMINATES ODORS WITHOUT MASKING Many products claim they remove odors and they dont. They mask smells with foul fragrances or simply dont work. Marine Digest-It works fast to eliminate odors in holding tanks using the perfect bacteria-enzyme blend. CLEANS SENSORS AND LUBRICATES SEALS AND VALVES Marine Digest-Its non-toxic, earth friendly formula contains advanced cleaners that ensure your level gauges remain working properly and your valves and seals stay lubricated and working properly. FORMALDEHYDE FREE Stop using products with dangerous chemicals and overpowering fragrances that only mask smells and cause backups. Completely eliminate odors and digest waste using the most advanced probiotic-enzyme strains available with Marine Digest-It. BEST WORKING FORMULA Why does it work so well? Marine Digest-It employs the strongest, most advanced strains of bio-cleaners available in the highest concentrations so you get a premium quality product at an incredibly low price. No watering down!