Water at the bottom of p-traps prevents sewer gas from entering your home.. If for some reason you don't have a p-trap make sure you add one under your sink. A second reason you might have a foul smell coming from your bathroom sink is the growth of biofilm in the pipes.
Have you noticed a rotten, sewer-like smell coming from your bathroom drain? Unpleasant odors shouldn't be the norm for your bathroom sink, so it's important .
It's not uncommon for your bathroom to occasionally have bad odors, but if you. crinkle your nose as you detect the faint smell of sewage coming from. somewhere.. You lean closer to the sink, the shower drain and the toilet as you try to .