The Liquid Rhyno Septic Treatment (5 doses) eats away hair, grease, paper, organic matter, food and soap scum achieving results faster with our dual-action natural formulation. This patented formula is designed to break down common organic materials and the help enzymes start eating away build-up, creating an overall healthy septic system. Use for monthly maintenance to prevent future costly septic tank disasters and to control odors in your toilet, garbage disposal drains and RVs. The Liquid Rhyno Septic Treatment is also a great solution for slow-running drains and slow-draining toilets. This product is safe for use in sinks, tubs, showers, toilets, garbage disposals and mobile homes/RVs. DO NOT use boiling water, with bleach, disinfectants, ammonia, or other drain chemical products as these may deactivate the product. WHY LIQUID RHYNO? Liquid Rhyno charges headfirst at whatever household plumbing issue comes its way. Liquid Rhyno is the hard charging muscle, bringing powerful solutions for even the toughest plumbing problems…Every time! Liquid Rhyno dissolves these drain clog issues to restore the free flowing state of your drain. “THERE'S A DANCO FOR THAT” BRAND ADVANTAGE: Liquid Rhyno Drain Opener comes with the trusted, reliable Danco brand confidence. For more than 50 years, Danco has continued to develop products to support the novice DIYer to the most proficient Pro. If you are looking for “that” specific product to help facilitate any home improvement project, Danco is here for you to complete your next DIY project.