The rotten egg smell comes from a gas by the name hydrogen sulfide.
Sink drain smells like rotten eggs.
If the rotten egg smell comes from all of the drains then chances are it is something in the water supply not the drain itself.
If you can smell the sulfur in the water pour another glass of water from a different sink and do the same thing.
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.
Does it smell like rotten eggs but you don t remember having any for breakfast or lunch.
To determine the problem check the other drains in your home as well.
Rotten eggs smell from a washing machine.
Bacterial activity in a dirty sink drain produces the stinky hydrogen sulfide gas.
The most likely is bacteria growing in your washer because of built up dirt mildew and mold lint and or soap.
If the smell is contained to the bathroom sink drain then it is probably specific to the pipes in that particular drain.
When your bathroom sink smells like rotten eggs the cause is likely contaminated water and drains blocked vents or a dried up p trap.
Why does my bathroom smell like sulfur.
What you can do.
Whenever your bathroom sink smells like rotten eggs it is good to pour in cup of baking soda and a cup of vinegar.
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.
The following is an easy inexpensive and very effective solution.
Pour a glass of water from the sink with the stinky drain.
If an odor is coming from your drain or bathroom water it might be because of sulfur.
Take it outside and smell it.
I know you must wonder what the source of the smell is.
Nothing is preventing the smell from the sewer from getting into your home.
You ll know if the kitchen sink smells bad when water runs by doing an easy test.
This will not only clean the sink but also kill all the bacteria therein.
For a rotten egg smell it could be one of two things.
Grease stuck in the drain.
In addition disinfect the sink drain to kill the odor causing bacteria in the p trap and the waste pipe.
The gas is produced when bacteria grow in the drain sewage or the ground.
Have you walked into your bathroom and noticed a foul smell coming from the sink or drains.
If both glasses of water smell like rotten eggs it s probably the water.
If you don t regularly clean your washing machine these things build up on under or inside the rubber seal and in the crevices of.
Have a professional licensed plumber install the proper trap.