Broken, Clogged or Poorly Installed Vent PipesnWhen it gets clogged, the sewer gases can back up into the sinks and the toilet, resulting in your bathroom's sewage smells. You may experience a bubbling sound coming from the toilet or the drain as sewer gas forces its way into the bathroom.Mar 8, 2021,
Seals Broken or Loose The toilet attaches to the drain with seals. If they are broken or loose, they will allow sewer gases into the home. If the seals are leaking water around the toilet, bacteria grows and creates a yucky smell.Dec 18, 2020
A septic odor in your home usually means there's a plumbing problem, but not all issues require calling a plumber. The floor drain trap in your basement could be dried out, allowing septic tank gases to vent back into your house. Periodically filling the drain traps with water will correct the problem.Jan 27, 2016
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.