How do I get rid of a bad smell in my bathroom drain?

Author: Fannie Kunze  |  Last update: Wednesday, June 3, 2026

A baking soda, vinegar, and boiling water combo can add extra power for breaking up the buildup in your drain's pipes. Periodically adding baking soda down your drain can keep the sink fresh and odor-free. Changing the filters eliminates the bad smells from a contaminated water softener.

How do you get the smell out of bathroom drains?

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 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.

How do I get rid of sewer smell in the bathroom?

How to Get Rid of Sewer Smell in Bathroom?
  1. Ensure Proper Ventilation.
  2. Clean Your Sink and Toilet Thoroughly.
  3. Refill the Water Trap in Your Sink.
  4. Inspect and Repair Damaged Pipes.
  5. Clear Blockages in the Sewer Line.
  6. Use Natural Remedies and DIY Solutions.
  7. Long-Term Solutions and Prevention.

Why is there a weird smell coming from my bathroom sink drain?

A sink drain may smell due to a buildup of bacteria, food debris, or other substances that get trapped in the pipes. Other causes include a dry P-trap, a clogged sewer vent, or a broken sewer line.

What is the best drain smell remover?

Baking Soda and Vinegar Solution

One of the most popular and effective home remedies for smelly drains involves the use of baking soda and vinegar.

How To Get Rid of That Awful Smell in Your Sink Drain [Just 1 Minute]

What is the best thing to clean smelly drains with?

How to stop the smell
  • Carefully pour half a cup of baking soda down the plughole.
  • Pour one cup of vinegar down the plughole after the baking soda.
  • Let the solution foam up; leave it for an hour or more to work.
  • Pour hot boiling water down the sink after an hour to flush it through.

Does pouring vinegar down the drain make it smell better?

Vinegar is a common household product that can be used to kill germs, mold, and bacteria. The unique properties found in this common item can also help rid your sink of unpleasant odors. Simply pour one cup of vinegar down the drain and wait for 30 minutes.

Why should you never use baking soda and vinegar to unclog a drain?

Baking soda is abrasive, which, when used in large quantities, will cause the drain more damage. Additionally, the acidic nature of vinegar can eat away rubber and metal, damaging the plumbing. As these products break down the pipe and connectors in the plumbing in your home, it will cause more clogs over time.

How do you fix a smelly P-trap?

To eliminate odors coming from a dry p-trap, pour half a gallon of water into the trap to restore the barrier. It will prevent the odors from seeping through the drain. Another helpful method is to add a cup of white vinegar bleach to get rid of larvae and slow down the evaporation.

How to get smell out of bathroom?

10 ways to make your bathroom smell nice
  1. Make use of lemons. ...
  2. Open windows, doors and vents. ...
  3. Clean under and around the toilet. ...
  4. Eliminate musty smells. ...
  5. Toilet drops or spray. ...
  6. Diffusers, candles or air fresheners. ...
  7. Upgrade the litter box. ...
  8. Bicarbonate of soda.

What is the best odor eliminator for the bathroom?

11 Best Odor Eliminators of 2024, Tested and Reviewed by Cleaning Experts
  • Best Overall. Clorox Disinfecting Mist. Read more.
  • Best Value. Febreze Odor-Fighting Air Freshener. Read more.
  • Best for Bathroom Odors. Poo-Pourri Before-You-Go Toilet Spray. Read more.

What neutralizes the smell of sewage?

Charcoal-based odor absorbers or baking soda can be placed near the source of the odor or in the affected rooms to absorb and neutralize the smell.

How to fix smelly bathroom floor drains?

Try flushing the drain by pouring half a litre of hot water into the floor waste along with 1 cup of baking soda. Leave it to sit for 10 minutes. Add another cup of baking soda and 1 cup of vinegar, then use a plunger around 5-6 pushes to loosen the blockage.

How do you get rid of a bad smell in drainage?

Use the Cleaning Power of Baking Soda

Then quickly block the drain tightly and wait a few seconds. The reaction will not only help force any blockages in your line to become dislodged, but will also start scrubbing any smelly residue off the inside walls of your drain line.

Can I leave Mr. Muscle drain Gel overnight?

Using innovative drain unblocking technology, Mr Muscle's new biodegradable formula delivers the power to unclog bathroom drains in just 5 hours. Use it at night, let it work its magic and wake up to freely flowing drains.

How to clean a bathroom drain?

Pour 1/2 cup of dish soap (it doesn't have to be Dawn, but should be a soap that cuts grease) down the drain, followed by the boiling water. “Be careful not to splash yourself," San Angelo warns. After you've done this, you need to wait it out—it might take a few hours to have an effect on the sink drain.

Why is there a nasty smell coming from my drains?

Tiny food particles and other organic matter can also accumulate in your drain system and form a clog. These blockages slow or stop water flow in the drain, which causes bad smells. Accumulation of soap, grease, hair products, toothpaste and other substances inside the plumbing promotes the growth of bacteria.

How to clean a smelly bathroom drain?

Baking soda and vinegar are worth exploring to clean a stinky drain. Run your hot faucet for several seconds before turning it off. Tip one cup of baking soda down your drain, followed by two cups of hot vinegar. Let it fizz, then flush the drain with hot tap water after one hour.

How to clean a P-trap without removing it?

Pour some baking soda down your drain and then pour boiling water down after. Sometimes this will clear the clog. Use a plunger on your sink drain to try to force the clog out of the trap.

Can I pour boiling water down the drain?

Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.

What is the best homemade drain cleaner?

Baking Soda + Vinegar
  • Pour 1/2 cup baking soda, followed by 1/2 cup vinegar down drain.
  • Plug drain and let sit for one hour.
  • Then, pour a pot of boiling water down drain. Repeat if necessary.

Does vinegar damage PVC pipes?

While harmless for most metal and PVC pipes, prolonged exposure to the acidic nature of vinegar might corrode certain metals, like copper. PVC pipes, on the other hand, can withstand these substances without damage.

What happens if you put too much baking soda in a drain?

What happens if you put too much baking soda down a drain? Too much baking soda put down a drain can clog it. It can harden and become a solid, cement-like mass.

How long does it take for vinegar to remove odors?

A bowl of vinegar can start absorbing odors almost immediately and is typically adequate for up to 24 hours. When left out in a room, the acetic acid in vinegar neutralizes alkaline odors, such as those from smoke, cooking, or pet accidents, by binding with the odor molecules and neutralizing them.

How to get the smell out of a bathtub drain?

Vinegar, Baking Soda and Hot Water

This mixture is also effective at preventing future drain clogs. Firstly, pour half a cup of baking soda (118ml) down your drain followed by a half cup of white vinegar (118ml). Cover the drain and let the mixture fizz away for around 15 minutes.

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