When your RV smells like sewage, the most common issue is that your black water tank has waste buildup on its sides and/or bottom. This typically occurs because there is not enough water in the tank because you aren't using enough water when you flush, your black tank valve is open, or your black tank has a leak.Mar 2, 2021,
Sometimes gray and black water tanks release unpleasant smells, especially if they are almost full and not well cleaned. In the water heater, the bacteria react with magnesium or aluminum anode rods in the heater to produce a rotten egg smell.
We recommend having at least one 16 ounce bottle of hydrogen peroxide for this task, preferably two. If you don't want to use hydrogen peroxide (which is toxic if swallowed) you can also use household vinegar. To further prevent the rotten egg smell, use an aluminum-zinc anode.Jun 18, 2018
Place the wand into the the opening, and turn the shut-off valve on. Rinse the pipe leading from the toilet bowl for a few minutes. This rinse will clean off waste and toilet paper buildup that may have been clogging the vent pipe.
– Another option is to use a solution of vinegar and bicarb soda to clean the grey water tank. Furthermore, flushing the sink every once in a while with vinegar is also said to have good results to control odour, but you have to love the smell of it.Dec 7, 2018
Many RV water heaters contain an anode rod inside the tank. ... A common cause of why your RV smells like rotten eggs is that anaerobic bacteria in your RV water heater tank reacts with the sulfur and magnesium of the anode rod. This interaction produces hydrogen sulfide gas – your rotten egg odor.Aug 22, 2021
If you are detecting foul sewer odors inside the house, this means that there is a weak link somewhere in your plumbing system. Possible sources include bathroom sink drains, toilets, kitchen drains, basement drains, old cast iron piping, or even the vent stack that goes out through your roof.Jul 15, 2016
When your flapper is dirty, it may not close properly, allowing the smell in the waste tank to fill your RV. Take a rag and soak it in warm water to wipe around and under the flapper, making sure nothing has gotten caught. If the flapper still doesn't close, you may need to call an RV maintenance specialist.