By the way this can also happen in new rv s.
Rv always smells like sewer.
Second the smell from the sewer actually has the ability to make its way into your camper if the valve is left open.
You don t want odor and stank from the rv park s sewer system to come through your sewer hose and into your rv.
If you bought a used rv and everything seems to be going well until you walk into your rv and there it is that horrible sewer smell.
Flush your camper toilet for 10 seconds after every use.
The toilet must be kept clean if there are no clogs or leaks but there still is a smell the toilet itself is dirty.
This creates a dip in your sewer hose that s shaped like a sideways letter p.
Motorhomes and trailers are built to vent black tank odors through a pipe that leads to the roof of the rig.
Full trash cans dirty dishes and even a full gray tank can all create unpleasant odors that waft through the rooms of your home on wheels.
Why does my rv smell like a sewer.
By brian may 9 2020 sometimes while you are traveling between campsites or destinations you may notice that an odor of raw sewage may begin to permeate your living spaces within your motorhome or rv.
The smell might actually be coming from your rv s house batteries getting overcharged causing the electrolytes to boil battery acid causing a rotten egg or sewer type smell.
Keep your black tank valve closed unless you re dumping your tank.
Which is the stinky smell of hydrogen sulfide effusing from your black tank which knocks you out each time you get into your rv.
Because of this it is important not to flush certain things down an rv toilet.
Grey water is typically shower and faucet drainage however dumping cooking waste such as grease milk or other spoiled liquids down the drain can cause some rotten smells as well.
Rv toilet odor can have a few different causes.
For black tanks ample water usage is simple.
Why does my camper smell bad.
The fact is using plenty of water in your holding tanks is crucial to keeping your camper from leaking sewer smells.
Another option is to create a p trap in your sewer hose.
Do not flush paper towels feminine products or toilet paper not specifically specified for septic tanks.
As you can imagine this is never a good thing because sewers don t smell like roses folks.
Perhaps the most offensive of all however is when your camper smells like sewage a smell that almost always comes from the rv toilet.
Even with the rv tank treatment and deodorizer products available black water tends to have a much more potent odor than grey since it is mostly sewage.
There s a less likely culprit for the sewer like smell in your rv that actually has nothing to do with sewage.