Bacteria from our gut release bad smells as they break down waste, which is what causes odors in your tanks. Odors from bacteria can increase and persist because of too little water in your tanks, high temperatures, bacteria-killing tank treatments or cleaning products, or improper ventilation.Feb 14, 2022,
The smell can be a result of valves left open and waste being allowed to dry out. It's also a good idea to check the sink drain because it uses a one-way vent or a sewer vent pipe that extends to your RV's roof. If it breaks or gets blocked or stuck, you'll need to find someone to clean or replace the pipes.Mar 7, 2021
Add one cup of baking soda to the clogged toilet or slow drain, then wait a few minutes. Follow with two cups of vinegar. Listen for bubbling and sizzling noises to indicate that the mixture is working. Wait another couple of minutes before either flushing the toilet or running water down the drain.
Tank Buildup Occasionally an RV toilet stinks because of buildup in the black tank. This might be a large buildup of solids on the bottom of the tank, or just buildup along the walls of the tank from regular use. As with clogs, solid buildups tend to be caused by too many solids and not enough liquid in the tank.Jul 18, 2020