You may also need to unblock your drainage vents.
Why does my bathroom sink smell like rotten eggs.
It means that there are bacteria growing inside of the drain as well which can be unhealthy for you.
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.
When you pour grease down your drain it can congeal to the sides.
If you have a smelly bathroom it is likely being caused by some drainage problem.
In some cases the rotten egg smell comes from water that has been contaminated.
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.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
Cleaning and disinfecting the drain can stop the sulfur smell.
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.
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.
The rotten egg smell comes from a gas by the name hydrogen sulfide.
All you need is the dynamic duo of organic home cleaning.
White vinegar and baking soda.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.