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Why Your Garbage Disposal Smells – and How to Get Rid of Odors for Good

Baking soda, lemon, and other natural drain cleaning remedies next to sink.

An unpleasant smell wafting from the garbage disposal can turn any kitchen from the heart of the home into a space no one wants to be in. This is a common issue that most families face at some point, and it’s often due to a mix of lingering food waste and other debris trapped in hard-to-reach areas of the unit. Fortunately, you don’t have to live with the nasty odor.

S and J Plumbing believes in empowering our customers with the knowledge they need to keep their homes running without a hitch. What makes us the experts? We've been providing the Arlington Heights, IL community with superior sewer line, drain cleaning, and plumbing services for almost ten years, including garbage disposal services

Call our team today if you can't get rid of a persistent garbage disposal smell, as it may signal an underlying issue.

Common Causes of Garbage Disposal Odors

Garbage disposals are hardworking appliances that constantly grind up food waste and send it off to the sewer system. However, if your garbage disposal smells like rotten eggs or other spoiled food waste, there are a few common culprits that could be at fault.

Food Residue

After years of daily use, tiny bits of organic matter from food and beverages can accumulate in the disposal's nooks and crannies, mainly the pipe walls, or hidden in the sink trap or drain vent. This creates a breeding ground for bad smells.

Bacterial Growth

Along with food waste comes bacteria. As food remnants and grease accumulate, they create an ideal warm and damp environment for microbial growth, resulting in some seriously foul aromas. Oil and grease are better disposed of in a container, where they can cool and then be safely thrown in the trash.

Grease & Oil Accumulation

Another common source of disposal funk? Grease and oil. When homeowners pour cooking fats down the drain, they can solidify and cling to the sides of the disposal, providing a sticky surface for other debris to latch onto.

Improper Flushing of Debris

Sometimes, running the disposal for a few seconds and a quick water rinse might not flush all the debris out. When debris doesn’t fully clear, it can get lodged in the unit or sink trap, eventually decaying and creating an unpleasant smell. Running water alone often isn’t enough to ensure that all food particles make it out of the system.

Effective Solutions for Eliminating Garbage Disposal Odors

Luckily, there are several simple and natural methods you can use to banish those unwanted odors from your kitchen.

Natural Cleaning Methods

To tackle sink/garbage disposal smells, consider using simple ingredients you probably already have in your kitchen. A mix of vinegar and hot water is perhaps the best natural solution to fight against bacteria and residue. Pour a cup of vinegar down the disposal, let it sit for a few minutes, then flush with hot water. Baking soda can be added before the vinegar as well for added scrubbing power. This combination works to neutralize garbage disposal smells and break down organic matter.

Deep Cleaning Techniques

For a more intensive clean, try running citrus peels — lemon, orange, or grapefruit — through the disposal. The oils in the peels have a deodorizing effect, so they'll leave your kitchen smelling fresh and bright. You can also try pouring a cup of bleach or a solution of dish soap and hot water down the drain to kill off any lingering bacteria.

Using Ice Cubes & Salt

Ice cubes and salt provide a more abrasive way to clean your disposal. Toss a few ice cubes along with a handful of coarse salt into the disposal, then run it. The ice helps knock away stuck-on food, while the salt scrubs away residue on the blades and walls. This method cleans the inside of the unit and sharpens the blades slightly, boosting performance.

Tips for Keeping Your Garbage Disposal Smelling Fresh

Of course, the best way to deal with disposal odors is to prevent them in the first place. Here are some of our top tips for maintaining a sweet-smelling sink.

Regular Maintenance Habits

Make a habit of running your disposal regularly, even if you haven't used it recently. Let it run for 30 seconds or so with hot water to flush out any lingering debris. You should also give it a deep clean at least once a month using one of the methods we outlined above.

Avoiding Certain Foods

Fibrous vegetables, bones, and eggshells may cause clogs or trap food in the disposal. These items can snag other food particles and create a sticky mess inside the unit. Instead of risking an unpleasant smell, place such waste in a compost bin or regular trash can. Keeping the garbage disposal clear of high-risk foods goes a long way in reducing odor issues.

Proper Disposal Techniques

Finally, be mindful of how you're using your garbage disposal. Always run it with plenty of water, and avoid overloading it with large food scraps. It's also a good idea to occasionally run a disposal cleaner or deodorizer through the unit to keep it fresh.

When to Call a Professional Plumber for Garbage Disposal Repair

Sometimes, a persistent smell signals a bigger issue, such as a blocked trap or drain vent or even damaged components within the unit. When basic cleaning and maintenance don’t eliminate the smell, it might be time to consult a professional. Our S and J Plumbing specialists can inspect, diagnose, and correct underlying issues that lead to inconvenient and unpleasant odors, such as deep blockages or worn parts.

Call S and J Plumbing for Great Garbage Disposal Service

Smelly garbage disposal got you spending more money on take-out dinners cause you can't stand to be in your kitchen? Save your wallet and your nose with help from S and J Plumbing. Whether you need a routine disposal cleaning, a replacement unit, or anything in between, our experienced plumbers have got your back. Give us a call today to schedule your service!