Nothing is preventing the smell from the sewer from getting into your home.
My bathroom sink smells like rotten eggs.
What you can do.
The key is to make sure that you find the source of the smell.
Sometimes it is coming directly from the sink drain.
Are you plagued with a rotten egg smell coming from your bathroom sink if so then you are not alone.
If an odor is coming from your drain or bathroom water it might be because of sulfur.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
Cleaning and disinfecting the drain can stop the sulfur smell.
You may also need to unblock your drainage vents.
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.
The following is an easy inexpensive and very effective solution.
Other times it may be coming from the actual water source.
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.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.
In some cases the rotten egg smell comes from water that has been contaminated.
What to do when your sink stinks.
Have you walked into your bathroom and noticed a foul smell coming from the sink or drains.
Rooter plumbing when your kitchen sink smells like rotten eggs it s because hydrogen sulfide which is the source of the smell is a major compound that makes up the gas found in sewage you must check if the smell is coming from the water or the drain.
Does it smell like rotten eggs but you don t remember having any for breakfast or lunch.
You ll know if the kitchen sink smells bad when water runs by doing an easy test.
If you have a smelly bathroom it is likely being caused by some drainage problem.
Grease stuck in the drain.
If you only experience the smell when using your hot tap it may be a chemical reaction occurring inside your hot water heater and not a problem with your water supply.
If your water smells like rotten eggs the odor is usually caused by the levels of sulfur bacteria and hydrogen sulfide that can be found in a building s water supply.
Sulfur smells in your sink could be coming from the water or the drain and either way they aren t pleasant.
This is actually a pretty common problem that people face.
The gas is produced when bacteria grow in the drain sewage or the ground.
Have a professional licensed plumber install the proper trap.