Even if your garbage disposal seems to be working just fine, an unpleasant smell coming from your sink can be a sign that it’s time for a deep clean, or replacement.
Where Do the Odors Come From?
Over time, bits of food, grease, and grime can build up in places your disposal blades can’t reach. These particles rot, breed bacteria, and create that telltale sour or rotten odor you notice when you run water or flip the switch.
4 Reasons Your Garbage Disposal Might Stink
1. Trapped Food Particles
Even if food gets chopped up, residue can cling to the walls of the disposal or sit in your drainpipe. Without proper cleaning, that buildup starts to rot.
2. Grease and Fat Coating
You may not realize grease has gone down your disposal, but even small amounts can harden on the sides of the chamber and start to stink as they break down.
3. Mold or Bacteria Growth
The dark, damp environment inside your disposal is a breeding ground for bacteria. If you haven’t cleaned your unit in a while, there’s likely more going on than just odor.
4. Worn or Damaged Components
If your disposal smells metallic, burnt, or foul even after cleaning, it might be a sign of a malfunctioning motor, worn blades, or trapped debris deep in the unit.
- DIY Cleaning Tips (That Actually Work)
Baking Soda + Vinegar: Pour ½ cup baking soda and 1 cup vinegar into the disposal. Let it fizz for 10 minutes, then rinse with hot water.
- Citrus Peel Blitz: Toss in a few lemon or orange peels and run cold water while turning on the disposal. This can help neutralize odors naturally.
- Ice Cube Scrub: Grind a tray of ice cubes with a tablespoon of coarse salt to knock loose residue and help clean the blades.
Still smelling something funky? Then it’s time for a pro.
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