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Learn How To Get Rid Of A Smelly Kitchen Sink

Struggling with a smelly kitchen sink? Learn easy DIY fixes and when to call Mr. Rooter for expert plumbing repair in Central New Jersey.

May 05, 2026
Learn How To Get Rid Of A Smelly Kitchen Sink

A smelly kitchen sink can make your entire home feel less fresh. If you've noticed an unpleasant odor coming from your drain, it’s time to take action. The good news is that you don’t always need a plumber immediately—many sink smells can be fixed with simple cleaning methods. However, if the smell lingers, a professional plumbing repair service in Central New Jersey might be necessary. When the odor won’t go away, calling a trusted company like Mr. Rooter Plumbing can help ensure your pipes are in good shape.

Why Does Your Kitchen Sink Smell?

A kitchen sink can develop bad smells for several reasons. The most common cause is food particles and grease buildup in the drain. Over time, these leftovers rot and create foul odors. Other possible causes include:

Our Customers Reviews

Larry R.

Howell Township, NJ

It was a late Saturday night. We had a super stubborn clog in some old galvanized pipes. Mr. Rooter send out Phil. Phil was great! He found the problem pretty quick. With determination and professionalism he final got it cleared out. I would recommend Mr. Rooter and Phil to anyone! He even cleaned up. We are so happy we choose Mr. Rooter!

Rose Bernard

Red Bank, NJ

We had a plumbing emergency and found Mr. Rooter while frantically searching for a 24-hour plumber. We feel like we hit a gold mine. Not only did we get a timely response. Everyone at Mr. Rooter was friendly, professional, competent and went above and beyond. Our plumber, Phil, was extremely helpful and gave us tips we could use moving firwars. Not to mention, the cost was extremely reasonable.

Joseph Chis

Hillsborough, NJ

Had sewer water backup in toilet and tub. Received callback as promised and arrived early. The tech determined we needed the main line to be cleared. He quickly located the opening and had us cleared in minutes. Very happy with the service. I was not prepared for the fee but it was an emergency.

Christopher Cox

Little Silver Township

Plumber, Phil, came out on short notice on a Saturday night and fixed our issue quickly, professionally and courteously. I contacted a different, well known plumbing company right before Mr. Rooter. The receptionist was rude and they didn’t call me back to say they couldn’t make it until after Phil left! The Mr. Rooter receptionist was very nice and they called me back quickly. I’m glad they did.

Debbie Dimitrion

Colts Neck, NJ

I just wanted to say James did a great job at my house. Excellent service, professional and very nice. Thank you so much for helping me with my plumbing problem. Did wonderful job.

Rachel Turunen

Jackson Township

I was very happy that I went with Mr. Rooter’s. The service was very quick and up front. Jessie James was very helpful answering my questions and replacing my hot water heater. He was pleasurable to do business with. If another problem arises in my home, I will be using this company again.

William Holden

Brick Township, NJ

A thorough, professional, pleasant experience. I had a back-up in the 50 year-old pipes of my new home. I called Mr. Rooter to have them locate the blockage, snake the line, and then use their video snake to get a visual of the integrity of the pipes. I’m glad that I called and will use them again for future needs.

LarJ MarJ

Oakhurst, NJ

You get what you pay for. Edwin Robles of Central NJ educated me as a 1st time homebuyer on why and what he was repairing, prevention, PROMPT,(on a sunday at that!) clean, knowledgeable, super professional but DOWN TO EARTH and at a REASONABLE PRICE! Sewer pipes unclogged and main water line fixed. I was no longer crying once job was thoroughly executed. After all $#@* $tinks but somebody has to do it and I HIGHLY recommend him and this company for a job well done. THANK YOU VERY MUCH!!

Margie Rafferty-Criscione

Ocean Township

Absolutely lovely office staff! I always knew when the repair person was coming. Lorenzo our repair guy was awesome, I really don't think there is anything he can't do. He looks young, but don't let that fool you! So happy all the repairs are behind us. We really just did a one-stop shopping and decided to have everything we've put off fixed because it was such a tremendous experience!

Lea How To Get Rid Of A Smelly Kitchen Sink

  • Clogged Pipes – When food scraps, grease, or soap scum accumulate, they create blockages that trap odors.
  • Bacteria Growth – Moist, warm environments inside pipes are perfect for bacteria that produce bad smells.
  • Dry P-Trap – If you don’t use your sink often, the water in the P-trap can dry out, allowing sewer gases to rise into your kitchen.
  • Garbage Disposal Issues – If your disposal isn’t cleaned regularly, food can get stuck and start to smell.

Understanding the cause of the odor is the first step to fixing it.

How to Get Rid of the Smell

Flush the Drain with Hot Water

Start with the simplest fix—boiling water. Pouring hot water down the drain helps melt grease and wash away buildup. Follow it with a splash of dish soap to cut through any remaining residue.

Use Baking Soda and Vinegar

A natural and effective solution is baking soda and vinegar. Here’s how:

  • Pour one cup of baking soda down the drain.
  • Follow with one cup of white vinegar.
  • Let it fizz for about 15 minutes.
  • Flush with hot water to wash away debris.

This method not only removes odors but also helps with minor clogs.

Clean the Garbage Disposal

If you have a garbage disposal, it could be the source of the smell. Try these steps:

  • Run cold water and tu on the disposal.
  • Drop in a few ice cubes and citrus peels (like lemon or orange) to freshen it up.
  • Pour baking soda down the disposal and let it sit before rinsing with water.

Keeping your disposal clean prevents food from rotting inside.

Check and Clean the P-Trap

The P-trap is the U-shaped pipe under your sink. If there’s a buildup inside, it could be causing the smell. Here’s how to clean it:

  • Place a bucket under the trap to catch water.
  • Unscrew the connectors and remove the pipe.
  • Rinse it thoroughly with hot, soapy water.
  • Reattach and check for leaks.

If you’re uncomfortable removing pipes, a skilled plumber can help with this step.

Schedule a Professional Drain Cleaning

If home remedies don’t work, it might be time for a professional to clean the drain. A plumbing repair service can remove deep clogs and buildup that household cleaners can’t reach. Professionals use special tools like drain snakes and hydro-jetting to clear out stubbo debris.

Prevent Future Smells

Once you’ve gotten rid of the odor, follow these tips to keep your sink smelling fresh:

  • Run hot water after using the sink to flush out food and grease.
  • Use a drain strainer to catch food scraps before they go down the drain.
  • Clean the garbage disposal weekly with ice cubes and lemon peels.
  • Pour baking soda down the drain every month to absorb odors.

These simple habits will help prevent the problem from retuing.

Call a Professional if the Smell Won’t Go Away

If you’ve tried these methods and the smell still lingers, it may be a sign of a more significant issue, such as a sewer line problem or mold inside your pipes. In that case, don’t wait—call a plumbing repair service to inspect your system. A professional drain cleaning can remove stubbo buildup and prevent future plumbing problems.

Taking care of your kitchen sink doesn’t just keep your home smelling fresh—it also helps protect your plumbing from severe damage. If you’re dealing with persistent odors, don’t hesitate to call a plumber to find a long-term solution.

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