The Liquid Rhyno Build-Up Remover eats away hair, grease, paper, organic matter, food and soap scum with specially formulated dual-action biologicals and enzymes. The unique premium formula helps dissolve years of build up inside pipes while breaking through common buildup that causes slow-running drains and slow-draining toilets. It is safe for all pipes with a 100% natural non-pathogenic formulation and a safer alternative to harsh chemicals to sustain a healthy plumbing system. Use regularly for monthly maintenance to avoid slow drains and buildup on drain pipe walls that decrease the frequency of slow-flowing drain problems. This product is safe for use in sinks, tubs, showers, toilets, garbage disposal drains and RVs. Do NOT use with hot or 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.