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Why does my bathroom sink smell like rotten eggs.
Grease stuck in the drain one of the most common reasons for a kitchen sink to have a rotten egg or moldy smell is from grease or fat getting stuck in your drains.
Generally the smell of rotten eggs comes from a sulfurous gas that is produced from a build up of gunk hair and other particles that accumulate within the drain.
White vinegar and baking soda.
It means that there are bacteria growing inside of the drain as well which can be unhealthy for you.
You may also need to unblock your drainage vents.
Cleaning and disinfecting the drain can stop the sulfur smell.
The rotten egg smell comes from a gas by the name hydrogen sulfide.
In some cases the rotten egg smell comes from water that has been contaminated.
When you pour grease down your drain it can congeal to the sides.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.
Lots of things can get stuck in the trap of the kitchen or bathroom sinks and when those things start to decompose it can make the drain breathe out a horrible rotten egg smell.
And then as it begins to decompose the smell can make its way back into your home.
It s often known simply as sewer gas.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
Sulfur smells in your sink could be coming from the water or the drain and either way they aren t pleasant.
The gas is produced when bacteria grow in the drain sewage or the ground.
The smell comes from hydrogen sulfide gas which is produced by bacteria in the ground in sewage and in contaminated water and pipes.