# How to Get Rid of a Bad Smell in Your Blender

> Why a blender jar holds onto smell even after washing, the fastest fix with vinegar or baking soda, and how to stop the odor from coming back.

Canonical: https://mizaanhome.com/en-us/blog/how-to-get-rid-of-blender-smell/
Last updated: 2026-07-25

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A blender jar that smells even after washing almost always means odor is trapped in the rubber gasket around the blade base, not on the jar walls you can see. Fill the jar with warm water, a splash of white vinegar, and a drop of dish soap, run the blender for 30 seconds, then let it air dry fully with the lid off. That clears most lingering smells in one pass.

## The quick answer

**Blend warm water, a splash of white vinegar, and a drop of dish soap for 30 seconds, then rinse and let the jar air dry completely with the lid off.** The vinegar neutralizes odor that plain soap and water leave behind, and air drying with the lid off stops trapped moisture from starting the smell again. For a stronger smell, take the blade assembly apart and hand-wash the gasket directly, since that's usually where the odor is actually coming from.

## Key takeaways

- **The smell almost never comes from the jar walls**, it comes from the rubber gasket around the blade base, where food residue and moisture get trapped.
- **White vinegar breaks down odor that soap and water alone don't fully remove**, because it neutralizes the compounds rather than just rinsing them away.
- **Baking soda works well for stubborn, specific smells** like garlic or fish, since it absorbs odor rather than masking it.
- **Air drying with the lid off matters as much as the wash itself**, since trapped moisture in a closed jar is what lets smell restart.
- **A recurring smell you can't shift with cleaning can point to a worn gasket** that needs replacing rather than a cleaning problem at all.

## Why blenders hold onto smell in the first place

It's easy to assume a smelly blender just needs a better scrub, but the real culprit is usually the rubber gasket that seals the blade assembly to the jar. That gasket sits in constant contact with whatever you blend, and its grooves trap tiny amounts of food residue that a quick rinse of the jar never reaches. Add a lid that traps moisture inside after washing, and you've got the two ingredients smell needs: leftover residue and a damp, closed environment. Fixing the smell means addressing both, not just rinsing the parts you can see.

## The fastest fix: vinegar blend and air dry

Fill the jar about a third full with warm water, add a splash of white vinegar and a drop of dish soap, put the lid on, and run the blender for 30 seconds. Vinegar is mildly acidic and breaks down the odor-causing residue that soap alone often leaves behind in the gasket area. Rinse well afterward, then take the step people skip: take the lid off and let everything air dry completely before you put it away. A closed, still-damp jar is exactly the environment that lets smell start again within a day or two.

## For stubborn smells: take the gasket out

If the vinegar blend doesn't fully clear it, or the smell is specific and strong (garlic, fish, curry), take the blade assembly apart if your model allows it and hand-wash the gasket directly with warm soapy water, working it with your fingers or a soft brush to reach into the grooves. A baking soda paste (a spoonful of baking soda with a little water) left on the gasket for 10 minutes before rinsing helps lift the toughest, most specific odors, since baking soda absorbs smell rather than just covering it up. Dry the gasket fully before reassembling.

## When it's not a cleaning problem anymore

If you've cleaned thoroughly, including the gasket, and the smell keeps coming back within a day or two, the gasket itself may be worn or cracked in a way that's trapping residue permanently rather than releasing it with a normal wash. At that point, a fresh gasket, or in some cases a full blade-and-gasket replacement kit for your model, solves what repeated cleaning can't. Some households also keep a dedicated blender cleaning tablet on hand for a deeper monthly reset beyond the vinegar trick, alongside their regular dish soap.

## Quick reference: smell fixes by cause

| Cause | Fix |
|---|---|
| General daily smell | Vinegar and soap blend, 30 seconds, air dry with lid off |
| Strong, specific smell (garlic, fish) | Baking soda paste on the gasket, wait 10 minutes, rinse |
| Smell returns within a day or two | Disassemble and hand-wash the gasket directly |
| Smell never fully goes away | Check the gasket for wear or cracking, it may need replacing |

## If smell keeps you from reaching for your blender

If your current blender's design makes the gasket hard to remove or the jar hard to fully air out, that's worth fixing on your next purchase, not just accepting. A model like the **Ninja Professional Plus Blender with Auto-iQ** has a jar and blade assembly that separate cleanly for the kind of gasket-level cleaning covered above, on top of handling daily smoothies and crushed ice, which is why it's our top pick in [the best blender in the USA](/en-us/best/best-blender/).

## Bottom line

Most blender smell comes from the gasket, not the jar, so a vinegar-and-soap blend followed by a full air dry with the lid off clears the majority of cases. Baking soda handles stronger, specific smells, and a gasket that won't stay clean despite real effort is usually a sign it needs replacing rather than a cleaning problem. For the everyday habits that keep smell from building up at all, see our [how to clean a blender](/en-us/blog/how-to-clean-a-blender/) guide. If you're shopping for a blender that's easier to take apart and keep fresh from the start, our [guide to choosing a blender](/en-us/guides/how-to-choose-a-blender/) covers what to look for, and [the best blender in the USA](/en-us/best/best-blender/) has our current top pick. Browse our full [blenders section](/en-us/blenders/) for everything else in the category.

## Sources

- Britannica, "Blender", background on the blade assembly and gasket design: https://www.britannica.com/dictionary/blender

## Where to buy

- [Bottle Bright Cleaning Tablets 12, 36, 78 Count - Water Bottle Cleaner for ](https://www.amazon.com/dp/B0CLFG9ZRN/ref=nosim)
- [Ninja Professional Plus Blender with Auto-iQ](https://www.amazon.com/dp/B0855B5Z6F/ref=nosim)


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