Sulfur Smell Coming From Sink

If you've ever noticed a rotten egg smell coming from your sink, it's likely due to a buildup of sulfur bacteria. These bacteria thrive in moist, oxygen-deprived environments, such as the inside of your sink drain. When they break down organic matter, they produce hydrogen sulfide gas, which has a distinctive sulfurous odor.

While sulfur bacteria are not typically harmful, the smell they produce can be unpleasant. In addition, if the bacteria are allowed to build up, they can clog your drain and cause other problems.

There are a few things you can do to get rid of the sulfur smell coming from your sink:

Pour a cup of baking soda down the drain. Baking soda is a natural deodorizer that can help to neutralize the sulfur smell. Let it sit for 15 minutes, then flush the drain with hot water.
Pour a cup of apple cider vinegar down the drain. Apple cider vinegar is also a natural deodorizer that can help to kill sulfur bacteria. Let it sit for 15 minutes, then flush the drain with hot water.
Use a commercial drain cleaner. Drain cleaners are specifically designed to remove buildup and kill bacteria in drains. Follow the directions on the package carefully.
Call a plumber. If you've tried the above methods and the sulfur smell persists, you may need to call a plumber. They can inspect your drain and make sure there are no other underlying problems.

Here are some tips to help prevent sulfur smell from coming back:

Keep your sink clean. Regularly wash your sink with hot soapy water and rinse it thoroughly. This will help to remove any food particles or other debris that could attract bacteria.
Run the water regularly. Running the water for a few minutes each day will help to flush out the drain and prevent bacteria from building up.
Pour a cup of baking soda or apple cider vinegar down the drain once a month. This will help to keep the drain clean and free of bacteria.