How to Get Grease Out of Dishwasher: Proven 2026 Fix

By Amara Johnson · March 10, 2026

Immediate Action (First 5 Minutes)

Grease is stubborn. It clings to the plastic tub of your machine, creating a cloudy film that ruins your favorite glassware. Grab a towel. You need to stop the machine from redistributing that melted fat onto your freshly washed plates during the next cycle. Wipe the gasket. If you just hosted a massive holiday dinner party and ran three consecutive loads of heavily buttered casserole dishes, your dishwasher's internal plumbing is likely choking on congealed animal fats right now.

Don't run another wash cycle yet. Running a normal wash right now will just spray that liquefied fat all over your clean dishes. I've spent the last ten years testing dozens of cleaning hacks in my own kitchen, and I know exactly how frustrating a slick, smelly dishwasher can be. Instead, take a dry microfiber cloth and wipe down the visible grease around the rubber door seal. You'll want to pull out the bottom rack immediately to inspect the filter cup. If you see floating chunks of yellow fat, scoop them out with a paper towel before they cool and harden into a cement-like paste inside the sump pump.

What You'll Need (Tools and Products)

I'll be honest, this takes elbow grease. You can't just toss a standard detergent pod in and hope for the best. Over the years, I've tested everything from expensive commercial descalers to bizarre DIY internet hacks. The setup below costs about $15-25 total and outperforms the pricey stuff every single time. Gather these specific items before you start scrubbing.

Dawn Platinum Powerwash Dish Spray: This isn't the cheapest option, but its enzymatic formula breaks down lipids faster than any other brand I've tried.
White Vinegar (2 cups): Standard 5% acidity household vinegar works perfectly to cut through mineral-bound grease.
Baking Soda (1 box): Arm & Hammer is fine; you just need the abrasive grit and alkaline properties.
Old Toothbrush: An Oral-B indicator brush works great for getting into the filter mesh.
Microfiber Cloths (3-pack): Amazon Basics 12x12 inch cloths are highly absorbent and won't leave lint behind.

Product	Primary Use	Estimated Cost
Dawn Powerwash	Breaking down heavy animal fats	$6.50
White Vinegar	Dissolving hard water and grease bonds	$3.00
Baking Soda	Scrubbing and odor neutralization	$1.50
Affresh Cleaner	Monthly maintenance (Alternative)	$9.00

Step-by-Step Removal

Step 1: Extract and Scrub the Filter Assembly

Remove the bottom rack completely. Locate the cylindrical filter at the base of the tub. Most modern machines, like the Bosch 800 Series, require a simple quarter-turn counterclockwise to release the filter. KitchenAid models might have a hard food disposer blade underneath, so watch your fingers. Pull the filter out and take it to your kitchen sink. Spray it heavily with the Dawn Powerwash. Let it sit for exactly 5 minutes. Scrub the mesh vigorously with your old toothbrush under hot running water until the water runs completely clear.

Step 2: Degrease the Door Gaskets and Spray Arms

Grease loves to hide in the rubber door seal. Dip a microfiber cloth in hot water and wring it out. Wipe down the entire perimeter of the door gasket. You'll likely see a brown, waxy residue coming off on the cloth. Next, check the spray arms. If the tiny water jets are clogged with fat, your machine can't clean properly. Use a toothpick or a straightened paperclip to poke through each nozzle. Wipe the exterior of the spray arms with your soapy cloth.

Step 3: The Vinegar Steam Bath

Place a dishwasher-safe bowl on the top rack. Pour exactly 2 cups of white vinegar into the bowl. Do not put the vinegar directly on the bottom of the tub, as it will wash away during the initial drain cycle. Close the door and run a normal wash cycle. Ensure your water heater is set to at least 140°F. The hot vinegar steam will circulate through the machine, breaking down the stubborn lipid bonds clinging to the interior walls and the hidden sump area.

Step 4: The Baking Soda Paste Application

Once the vinegar cycle finishes, open the door and let it cool for 10 minutes. Sprinkle 1/2 cup of baking soda directly across the bottom of the tub. For heavily soiled machines, mix the baking soda with a few drops of water to create a thick paste. Smear this paste along the bottom crevices and over the heating element housing. The alkaline nature of the baking soda will saponify the remaining fats, turning them into a water-soluble soap.

Step 5: The Final Flush

Run a short, 45-minute express wash cycle with no detergent. This final flush will wash away the baking soda and any newly liberated grease. When the cycle ends, open the door immediately to let the steam escape. Wipe down the stainless steel or plastic interior one last time with a dry cloth. Your machine should smell neutral and feel completely squeaky clean to the touch.

Alternative Methods

Method 1: Citric Acid Treatment (Lemi Shine)

If vinegar isn't cutting through the buildup, citric acid is your next best bet. I use Lemi Shine Original when dealing with hard water combined with heavy grease. The acid binds to the calcium in the water, preventing it to trapping fat molecules. Pour one packet into the main detergent cup and run a heavy-duty cycle. This method is incredibly effective for machines in areas with high mineral content, though it costs a bit more than plain vinegar.

Method 2: Commercial Enzyme Cleaners

Products like Affresh Dishwasher Cleaner use specialized surfactants designed to penetrate thick grime. You simply place the tablet in the bottom of the empty tub and run a normal cycle. I recommend this if you are short on time and don't want to manually scrub the filter first. It's a great 'set it and forget it' option, but it won't remove large physical chunks of food or fat trapped in the filter mesh.

Method 3: The Citrus Peel Hack

Save your lemon and orange peels from dinner prep. Place a handful of fresh citrus peels in the silverware basket. Run a hot wash cycle. The natural d-limonene in the peels acts as a mild, natural degreaser. This won't fix a severely clogged machine, but it's a fantastic, free way to maintain a fresh-smelling tub between deep cleanings.

Prevention Tips

Stopping grease before it builds up is much easier than scrubbing it out later. Scrape your plates thoroughly before loading them. You don't need to pre-rinse, but you absolutely must scrape off heavy sauces, butter, and meat fats into the trash. Modern dishwashers are designed to handle food particles, but they aren't garbage disposals for liquid fat.

Always use a high-quality rinse aid like Finish Jet-Dry. Rinse aids lower the surface tension of the water, allowing it to sheet off your dishes and carry microscopic grease particles down the drain instead of letting them settle on the tub walls. Keep the rinse aid dispenser full at all times.

Run your kitchen sink's hot water for 30 seconds before starting the dishwasher. This ensures the very first fill of the machine is already at 120°F or higher. If the machine fills with cold water, the detergent won't activate properly, and the animal fats will instantly solidify on your dishes and the interior plastic.

FAQ

Can I use bleach to remove grease from my dishwasher?

Bleach is completely ineffective at breaking down lipids and fats. It will sanitize the interior, but the greasy film will remain completely intact. Furthermore, mixing bleach with leftover food particles or acidic cleaners can create toxic chloramine gas. Stick to degreasers like Dawn or citric acid for actual grease removal.

Why is there still grease on my dishes after a full cycle?

This usually happens when the water temperature fails to reach the required 140°F needed to melt animal fats. It can also occur if your filter is clogged, causing the machine to spray dirty, grease-laden water back onto your plates. Check your heating element and clean the filter assembly to resolve this.

How often should I degrease my dishwasher?

I recommend running a degreasing cycle once a month if you cook with heavy oils or butter daily. For households that mostly eat salads or use non-stick cooking sprays, a deep clean every three months is plenty. Always run a maintenance cycle immediately after washing large batches of heavily soiled holiday dishes.