Pour a couple of quarts of water into the drain and put one of those thin, circular, rubber drain stoppers on the shower drain. This may keep the trap charged for months.

Why does my unused shower drain smell?

It is not unusual for an unused bathroom drain to start smelling after a period of time. The smell coming from an unused tub or drain is usually coming from the P-trap. A P-trap is the U-shaped portion of pipe underneath the drain. The trap is supposed to keep sewer odors from coming into your bathroom and home.

Why does my unused bathroom smell like sewage?





This smell most often comes from tubs and sinks due to an unused plumbing trap, or P-trap. Plumbing traps are the U-shaped dips in the pipe underneath the bathroom drain. These traps are in place to prevent your bathroom and home from being filled with sewer odors.

How do I stop gas coming up the drain?


Quote from Youtube video: And then you're left with an opening directly to the sewer and sewer gas is going to come into the home a simple solution for that is to pick up some RV antifreeze.

How do you get rid of sewer smell in shower?

Mix 1 part bleach and 1 part water, then pour down the drain. First, pour one cup of baking soda down the drain. Then add a cup of white vinegar. Cover the drain as the mixture fizzes, then flush with hot water.

How do you clean an unused shower?

Run water in the sink for about 1 to 3 minutes. Run water in the shower or tub for 1 to 3 minutes. If you have a shower head with a flexible hose, place the shower head near the drain while it’s running. Flush the toilet if it’s rarely used.

Why does sewer smell come and go?





Clogged drains



One of the most common causes of sewage smells is a clogged drain. When your home’s wastewater has nowhere to go, the odors will come back up the drain they should be going down.

How do I get the rotten egg smell out of my shower drain?

If the Sulfur Smell in Your Drains is coming from the bathroom sinks, one way to get rid of it and to eliminate the clog causing it. Pour a half-cup of Baking soda down the drain. Follow this with a full cup of vinegar, and then continue to flush with hot water.