How to Clean a Smelly Drain in Bathroom Sink

Apart from clogs and leaks, sink problems may also be caused by other factors. A noxious-scented sink that smells like sewage or food leftovers trapped within the drainpipe is a frequent problem apart from these typical issues. We’ll look at solutions for eliminating a stinky sink in the house in this section.

3 Main Causes of a Sink with Bad Odor

Dry P-trap

The presence of putrid sewer gas coming from a dried P-trap is one of the causes of an unpleasant sink odor. The solution to this problem is to ensure that water flows through it on a regular basis.

Gas Backflow

When the venting pipes are clogged with debris and particles, sewer gas tends to flow back into your pipe and out of your sink.

Blocked or Broken Sewer Lines

The sewer line, in addition to being a source of the stench, might also be the origin of the problem. If this is the case, all of the sinks in your home may produce the odor and necessitate assistance from experts.

How to Get Rid of the Smell from a Bathroom Sink

1. Boiling Water

Boiling water is one of the most basic methods to get rid of a noxious odor emanating from the bathroom sink. This may be simply poured into the sink to remove the aroma. The temperature, as well as flushing away or loosening debris within the drainpipe, might help eliminate the smell.

2. Soap and Water

Soapy water that is poured down the drainpipe to remove the smell from the bathroom sink is another approach. If the sink does not have a blockage, replace the water stopper and add hot water as well as soap powder. Remove the stopper from the drainpipe to let soapy water in and keep the water running for a while.

3. Vinegar and Baking Soda

Vinegar’s acidic properties make it useful not only as a cleanser but also as an odor remover. Baking soda and vinegar can be used in combination to eliminate the smell of your bathroom sink. Set aside a cup of baking soda and two portions of vinegar first. After that, mix the baking soda with the vinegar.

When you put the vinegar down, let it sit. It will fizzle after a while because of the chemical reaction. Allow this to rest for a few minutes. Pour hot water over it or allow hot running water to flow next. The bacteria that caused the unpleasant drain odor can be destroyed by using both the mixture and hot water. This is also a good solution for clearing dried debris.

4. Baking Soda, Boiling Water, and Lemon Juice

If you don’t have any vinegar, check your refrigerator for lemons and juice them. Lemon juice is also comparable to vinegar in that it has chemical-inducing capabilities. Pour the baking soda first and then the lemon juice. Allow at least 30 minutes before pouring boiling water into the mixture to wash away the gunk and dirt that have been loosened.

5. Lime and Ketchup

If you have a smelly drain in your bathroom sink, try mixing lime juice with ketchup to make a paste. Apply this paste onto the affected areas under the rim of your sink first. Let it sit for about 30 minutes before rinsing it away with boiling water. If the acidity is not strong enough to remove the smell, add more baking soda and mix it into a paste. You may also try using tomato juice instead of ketchup if you have some available.


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