It can be off-putting to walk into your bathroom and feel like someone dumped waste in the middle of the room. Unfortunately, this often does become a problem and the root cause has to do with the bathroom sink. If you are dealing with this issue, you will know it is time to act fast. To do this, you will want to ask, why does my bathroom sink smell like rotten eggs?
Bathroom sinks can smell like rotten eggs when bacteria start to build up inside the drain. This occurs due to items that have been disposed of in the sink including chemical products and/or other similar waste.
It is important to make sure this problem is corrected by using a drain cleaner. This can eliminate the waste and make sure the bathroom sink doesn’t smell of rotten eggs all day long!
Key factors include:
- Type of Waste Dumped in the Sink
- Timeline of the Smell
- Type of Smell
If you are asking “Why does my bathroom sink smell like rotten eggs?” then the most common reason has to do with chemical products that were dumped in the sink. When combined with other waste, you are going to have a terrible smell to deal with.
This is common in aging properties because the drainage system begins to age too.
You will want to act fast and make sure the right drain cleaner is used to get rid of the smell or it is only going to get worse with time!
Here is more on the question “Why does my bathroom sink smell like rotten eggs?” along with what you should do if the bathroom sink smells like rotten eggs at home.
Table of Contents
Best Drain Cleaner For Your Sink (EDITOR’S CHOICE)
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Tips for Getting Rid Of Bad Smell In Bathroom Sink
1. Use a Drain Cleaner
The most important step will be to get rid of the bacteria in your sink.
The right way to do this is to use a quality drain cleaner for bathroom sinks. The reason for this is to make sure the bacteria inside doesn’t get any more chance to build-up.
This is how the odor is going to get worse!
By taking the time to let the drain cleaner sit, you are going to get rid of the rotten egg smell in your bathroom sink quickly.

2. Use a Strainer To Push Waste Down
Another factor to think about when asking “Why does my bathroom sink smell like rotten eggs?” is what is causing the smell to get worse.
The reason has to do with a clogged drain.
This might not lead to water backing up but it could still be the root cause of the smell. You will want to use a quality strainer to work away at the drain. This can loosen the waste that is built-up inside the bathroom sink’s drain.
Be patient while doing this and make sure to use a good strainer.
This is the only way to avoid damaging the bathroom sink while also ensuring you get rid of the bad odor in your sink.

3. Scrub the Sink
You will also have to focus on the bathroom sink too.
This includes the general surface that you are going to see when you walk up to the sink. The reason for doing this has to do with residue that sits on the surface.
You will want to scrub it away.
By using a good cloth, you will have the ability to scrub away the bacteria quickly.
This is a simple process and one you should have on your mind as soon as you begin the process. Of course, start with what is in the drain and then go from there.
Related Questions
1. How Do I Get Sulfur Smell Out Of My Bathroom Sink?
A good solution is to use a quality drain cleaner and let it sit for a few minutes. It is also recommended to use lemon wedges to remove sulfur smell out of a bathroom sink at home. This is quick, effective, and safe.
Final Thoughts
“Why does my bathroom sink smell like rotten eggs?”
Bathroom sinks can start to smell like rotten eggs due to bacteria build-up. This happens with chemical products and/or other waste being pushed down the sink.
To remove it, the best option is to use a good drain cleaner to get rid of the gunk that is inside.
Here is more on bathrooms – how to deal with bathroom leaks, filling in a toilet bowl crack, installing a drain for your bathroom sink, and good paint for a shower floor.