Disassemble the blender right after use
The fastest way to clean a Ninja blender is to take it apart when ready after blending, while food is still soft. Unplug the unit first, then remove the pitcher or cup by twisting it counterclockwise. Most Ninja models have a pitcher that detaches from the motor base—do not submerge the motor base itself in water.
Next, unscrew the blade assembly from the bottom of the pitcher. This is the part that spins and holds the actual blades. Turn it counterclockwise by hand; it should come free without tools. Set the motor base aside on a dry surface. The blade assembly, pitcher, and lid are all safe to wash.
Key Takeaways
- Disassemble the blender when ready after use—unplug it, remove the pitcher, and unscrew the blade assembly from the bottom.
- Rinse the pitcher and blade assembly with hot water right away, before food dries and hardens.
- Fill the pitcher halfway with warm water and a drop of dish soap, screw the blade assembly back on, and run the blender for 30 seconds to self-clean.
- Rinse thoroughly after the self-clean cycle, then hand-wash the blade assembly with a brush or sponge to remove trapped food.
- Never submerge the motor base, and allow all parts to air-dry completely before reassembling.
Use the self-cleaning cycle
Fill the pitcher halfway with warm water and add one drop of dish soap. Screw the blade assembly back onto the pitcher, then place the pitcher on the motor base and lock it in by turning clockwise. Plug in the unit and run it on high speed for 30 to 45 seconds. The spinning blades will agitate the soapy water and dislodge most soft food particles.
Stop the blender and unplug it. Remove the pitcher and empty the soapy water down the drain. This method works well for smoothies, soups, and nut butters. For thicker residue like dried protein powder or nut butter stuck to the sides, skip ahead to hand-washing.
Hand-wash the blade assembly and pitcher
The blade assembly is the part most people miss. Remove it from the pitcher and hold it under running hot water. Use a soft-bristled brush, an old toothbrush, or a bottle brush to scrub between the blades and around the central post where food collects. Pay special attention to the underside of the blades, where particles hide.
Wash the pitcher with a sponge and warm soapy water, scrubbing the bottom corners and the threads where the blade assembly screws on. Rinse both pieces thoroughly under hot running water until the water runs clear and you see no soap bubbles. Do not put the blade assembly in the dishwasher unless your specific Ninja model says it is safe—most manufacturers recommend hand-washing to protect the blade edges.
Clean the motor base and lid
Wipe the motor base with a damp cloth or sponge. Do not pour water over it or submerge it. Pay attention to the rubber ring or gasket where the pitcher locks on—food and water can collect there. Use a cloth or an old toothbrush to clean out any debris from that groove.
Wash the lid with warm soapy water and a sponge. Most Ninja lids have a removable center cap that pops out; take it off and rinse it separately. Dry the lid and motor base with a clean towel before reassembling.
Dry and store properly
Stand the pitcher, blade assembly, and lid upright on a clean towel and let them air-dry completely. Do not reassemble the blender while any part is still wet. Water trapped inside the pitcher or on the blade assembly can cause mold or mildew to grow, especially if the blender sits unused for a few days.
Once everything is dry, screw the blade assembly back onto the pitcher, place the pitcher on the motor base, and lock it in by turning clockwise. Store the blender in a cool, dry place. If you use your Ninja daily, you can leave it assembled on the counter. If you use it less often, disassemble it and store the pitcher and blade assembly separately to prevent odors from building up inside.
Common mistakes that damage your blender
Do not soak the blade assembly for more than a few minutes. The blades are sharp and can rust if left sitting in water, and prolonged soaking can loosen the seal where the blades attach to the post. Never use a dishwasher for the blade assembly unless your manual explicitly says it is safe.
Do not use abrasive scrubbers like steel wool or scouring pads on the pitcher. They scratch the plastic and create tiny grooves where bacteria can hide. Stick to soft sponges and brushes. Finally, do not try to clean the motor base with water running directly over it—water can seep into the electrical components and damage the unit. A damp cloth is all you need.
Frequently Asked Questions
Can I put my Ninja blender pitcher in the dishwasher?
Most Ninja pitchers are dishwasher-safe on the top rack, but check your manual first because some models are not. The blade assembly should always be hand-washed. Even if the pitcher is dishwasher-safe, hand-washing right after use is faster and keeps the blades sharper longer.
What should I do if food is stuck to the blades and won't come off?
Fill the pitcher halfway with warm water, add a drop of dish soap, screw the blade assembly back on, and run the self-clean cycle for 45 seconds. If that does not work, let the pitcher soak in warm soapy water for 10 to 15 minutes, then scrub with a soft brush. Never use a knife or hard tool to scrape the blades—you will dull them and risk cutting yourself.
Is it safe to leave the blade assembly on the pitcher overnight?
It is better not to. Leaving the blades screwed on traps moisture inside the pitcher, which can cause mold or rust. Disassemble the blender after each use and let all parts dry separately. This also makes storage easier and keeps your blender smelling fresh.
How do I get rid of a smell coming from inside the pitcher?
Fill the pitcher with equal parts white vinegar and warm water, screw the blade assembly on, and run the blender on high for 30 seconds. Let it sit for 15 minutes, then run it again for another 30 seconds. Rinse thoroughly and air-dry. If the smell persists, soak the pitcher in the vinegar solution for an hour before rinsing.