In addition to vinegar and boiling water, another way to clean out the sink drain (and remove foul smells) is to use a combination of baking soda and vinegar. This mixture produces a combustible effect that can dislodge the build-up and unclog your drain… which may, in turn, remove the smell.Oct 6, 2021,
Dump a good handful of baking soda into the drain, let sit (don't run any water) for 15 minutes, then pour 1/4 to 1/2 cup white vinegar down. Watch the bubbles, hear the pops and fizz, and let it sit for another 15 minutes. Then, boiling water and voila!Aug 6, 2020
Pour Some Bleach in It: Bleach, like other disinfectants, kills almost every species of odor-causing bacteria commonly found in drains and sewer lines. So, an easy DIY step you can take to reduce drain odor is to use bleach. To use bleach to clean your drain, fill the sink with hot water, and add a cup of bleach.5 days ago
If the P-trap isn't working properly, sewer gasses can make their way into the bathroom and cause your sink to stink. Your sink should also have a vent that gives backflowing gases somewhere to go. If the sewer smell in your sink is caused by a blocked air vent, you may need professional assistance.