What is the fastest way to clean a blender?

Fill the jar about halfway with warm water, add a drop or two of dish soap, and run the blender for 20 to 30 seconds — the blade whips the soapy water into every surface and cleans the jar and blade in one pass. Rinse thoroughly and repeat with clean water. This self-clean blend handles everyday residue in under a minute and avoids reaching your hand near the sharp blade. For stuck-on or dried residue, let the soapy water soak for a few minutes before blending.

Why does my blender smell bad?

A musty or sour smell usually comes from food residue trapped under the blade assembly or in the gasket where the jar screws to the base, spots the quick rinse misses. Protein and dairy residue and moisture left sitting there grow bacteria and mold. To fix it, disassemble the removable blade and gasket, wash them separately, and let everything dry fully before reassembling. A blend of warm water with baking soda, or water with a little vinegar, neutralizes lingering odor in the jar.

How do I clean under the blender blade?

On blenders with a removable blade assembly, unscrew the jar base, take out the blade and the rubber gasket, and wash each piece by hand with warm soapy water and a brush to reach the crevices the food hides in. Handle the blade by its hub, not the edges. On sealed jars where the blade does not come out, the self-clean blend plus a soak is your best option, followed by thorough drying upside down so water does not sit around the blade seal.

Can I put a blender jar in the dishwasher?

Many modern blender jars are top-rack dishwasher-safe, but check your manual — high heat can cloud some plastic jars and loosen the blade seal over time, so hand washing extends the jar's life. If you do use the dishwasher, remove the blade and gasket first if they detach, and place them where they will not trap water. For everyday cleaning, the quick soapy self-clean blend is faster and gentler than a full dishwasher cycle.

How do I get dried smoothie out of a blender?

Fill the jar with warm water and a squirt of dish soap and let it soak for 10 to 15 minutes to soften the dried residue, then run the self-clean blend for 30 seconds. For stubborn dried-on spots, add a spoonful of baking soda for mild abrasion. Avoid scraping with metal utensils that scratch the jar or nick the blade. A soak does most of the work — attacking dried residue dry just wears out your scrubbing arm and risks the blade.

How to Deep Clean a Blender (Base, Gasket, Smell)

Written & researched by Derek Holt Home & Appliances Editor

Updated August 2026

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Deep cleaning a blender is a 10-to-15-minute beginner task with no tools and only dish soap — the payoff is a jar that does not smell and a blade seal that lasts. The quick self-clean blend handles daily residue, but a true deep clean means taking apart the blade and gasket where odor-causing food hides. The whole job is: run a soapy self-clean blend, then unscrew and hand-wash the blade assembly and gasket, and dry everything fully before reassembling. The one safety rule — never put your hand near the blade edges; handle the blade by its hub, and let the self-clean blend do the reaching for you.

Tools and materials

Dish soap, warm water, and a bottle brush for the blade crevices.
Baking soda or white vinegar for odors and dried-on residue.
Materials: nothing else — no tools. If the blade is dull or the seal keeps leaking, our blender roundup ranks current models; a clean blender pairs with a clean coffee maker and stand mixer for a tidy countertop.

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Step 1: Do the self-clean blend first

Right after use, fill the jar halfway with warm water, add a drop of dish soap, and run the blender 20 to 30 seconds. The blade whips the soapy water into every surface, clearing everyday residue without your hand going near the blade. Rinse and repeat with clean water. For dried residue, let it soak a few minutes before blending.

Step 2: Disassemble the blade and gasket

For a deep clean, unscrew the jar base and remove the blade assembly and the rubber gasket. These trapped spots — under the blade and around the gasket — are where odor-causing food hides and the quick rinse never reaches. Handle the blade by its hub, not its edges.

Golden-hour view of a person's hands lifting food from a countertop appliance in a bright kitchen

Step 3: Hand-wash the parts

Wash the jar, blade, gasket, and lid separately in warm soapy water, using a bottle brush to get into the blade crevices and the threads. Scrub the gasket well, since residue clings to the rubber. This separate washing of the disassembled parts is what actually eliminates a musty blender smell.

Step 4: Neutralize odors

If a smell lingers in the jar, blend warm water with a spoonful of baking soda, or a splash of white vinegar, for 30 seconds and rinse. Baking soda also adds gentle abrasion for stuck-on spots. This clears sour or musty odors that plain soap leaves behind.

Wide environmental view of a person's hands lifting food from a countertop appliance in a bright kitchen, in soft early-morning light

Step 5: Dry fully and reassemble

Let every part air-dry completely — especially the blade seal and gasket — before reassembling. Moisture left around the blade seal is exactly what breeds the smell you just cleaned out. Reassemble the dry blade and gasket into the base, and the blender is ready and odor-free.

Where to go next

Keep the countertop appliances fresh with our guides to cleaning an air fryer, descaling a coffee maker, and cleaning a toaster oven. Everything sits under the small kitchen appliances hub.

We never buy or physically test the products we rank — our picks come from aggregated owner reviews and expert consensus, explained on how we rank.

How to Deep Clean a Blender