The rotten egg smell comes from a gas by the name hydrogen sulfide.
Why does my bathroom sink smell like rotten eggs.
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.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.
You may also need to unblock your drainage vents.
Sulfur smells in your sink could be coming from the water or the drain and either way they aren t pleasant.
It means that there are bacteria growing inside of the drain as well which can be unhealthy for you.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
White vinegar and baking soda.
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.
If you have a smelly bathroom it is likely being caused by some drainage problem.
This gas usually smells distinctly like rotten eggs and can be pretty overpowering.
It s often known simply as sewer gas.
The following is an easy inexpensive and very effective solution.
Cleaning and disinfecting the drain can stop the sulfur smell.
All you need is the dynamic duo of organic home cleaning.
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.
When you pour grease down your drain it can congeal to the sides.