Faster and more effective waste and RV tissue digester. RV Digest-It Ultra, our newest and fastest RV black tank treatment, breaks down waste and toilet paper, preventing pyramid plugs and making dumping easier. | The Power of Plus. Our strongest complete RV toilet treatment in a no-fuss bottle. The easy-measure 32 ultra-concentrated rv tank treatments are significantly stronger than RV Digest-It Classic and RV Digest-It Plus. Breaks down clog-causing waste and eliminates porta potty smells and sewer stink in your tank. | Prevents sensor probe problems. Stops black water tank sensor probes from misreading by liquifying waste before it builds up and clings to probes. Digests grease, oil, and food debris in gray tanks. | RV Digest-It Ultra camper toilet treatment is designed to work with The Unique Method to ensure clog- and stench-free camping, no matter what your style is: hookups, dry camping, full-time, extreme heat. | Helping you experience worry-free RVing is our top priority, so we're doing something extraordinary. Every purchase of Unique Camping + Marine products includes exclusive access to our Unique Cares program--expert assistance from our Colorado-based Certified RV Tech Team to help solve your wastewater issues.