A pyramid plug forms when the black tank valve is left open. Liquids drain out, but solids remain and pile up directly under the toilet, eventually creating a dense mound that blocks the inlet.
Typical signs: The toilet backs up quickly, even if the tank doesn’t appear completely full.
A blocked toilet line happens when too much toilet paper is used with too little water. This creates a restriction in the pipe between the toilet and the black tank.
Typical signs: The toilet flushes poorly or backs up, even though the black tank isn’t full.
A compacted black tank develops when waste sits too long and hardens, often due to improper dumping habits or storage. This makes the tank difficult—or impossible—to drain normally.
Typical signs: The tank reads full, but dumping produces little flow or drains very slowly.
In most cases, the best first step is using a product designed to break down solids and paper. Clear-It RV Black Tank Unclogger uses a powerful bacteria- and enzyme-based formula to help dissolve buildup, restore flow, and make dumping easier.
Stop worrying about pyramid plugs, compacted tanks, and stubborn clogs, and take control of your RV adventure with Clear-It! Unique Clear-It is the only product trusted by RVers and RV service technicians from coast-to-coast to dissolve solid waste, paper, and sludge in a clogged tank. It even works on old, compacted tank clogs from years of neglect! Clear-It breaks through them with ease. And the best part? You don't even need to drive your RV to get the job done - Clear-It works right where you park.
Whether you're dealing with clogs, odors, or other wastewater issues, count on our Certified RV Techs and Wastewater Experts to stay by your side until your problem is completely resolved.
We are proud that 95% of our products are made in the USA using American-sourced ingredients and materials.
Get support from the wastewater experts at Unique Camping + Marine, located right here in the USA. If for some reason you don't love the results, we'll return your money without hassle!
