Why does my shower drain smell like sewer gas?
Why does my shower drain smell like sewer gas? When a shower drain smells like sewer gas, there’s probably rotting debris, draining problems, or general plumbing issues. A dry P-trap and short vent pipes can cause rotten-egg like smell in the bathroom. Thorough cleaning of the shower drain and fixing the plumbing problems usually gets rid of the bad smell. 1.1 1. Bacterial activities 1.2 2. Why does my shower have an unpleasant smell? If you notice your shower is draining slowly or isn't draining at all, then this strongly suggests you are dealing with a clog in the drain....