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Cleaning Dishwashers
Quick & Easy Way to Get Rid of Mold in Your Dishwasher Download Article Eliminate mold, disinfect your dishwasher, and prevent future problems with this simple guide Co-authored by Ashley Matuska and Amber Crain
Last Updated: August 16, 2023 Approved
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Cleaning the Filter
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Disinfecting with Vinegar
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Preventing Mold
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Expert Q&A
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This article was co-authored by Ashley Matuska and by wikiHow staff writer, Amber Crain. Ashley Matuska is a Professional Cleaner at the Founder and Owner of Dashing Maids in Denver, Colorado. Ashley has over seven years of experience in the cleaning industry. She and her team specialize in offering sustainable deep cleaning and maintenance cleaning services. She received a BS in Biology and Sociology from Indiana University. wikiHow marks an article as reader-approved once it receives enough positive feedback. In this case, 94% of readers who voted found the article helpful, earning it our reader-approved status. This article has been viewed 261,370 times.
You rely on your dishwasher to keep dishes clean, but its moist and humid interior is the perfect environment for mold growth. If you're seeing black spots inside your dishwasher or keep catching a whiff of something funky, mold is likely to blame. In this article, we'll explain how you can easily get rid of mold, disinfect your dishwasher, and prevent mold from growing in the future. If you're ready to get your dishwasher sparkling clean, scroll on down!
Things You Should Know
Remove any visible food and debris in the drain. Then, pop out the filter and scrub it with soapy water once a week.
Fill a container with vinegar, put it on the top rack, and run a hot water cycle to disinfect the interior and get rid of mold.
For lingering odors, sprinkle baking soda in the bottom of the dishwasher and run another hot water cycle.
Run a vinegar and hot water cycle weekly to prevent mold. Once a month, scrub the nooks and crannies with straight vinegar for a deep clean.
Steps
Part 1 Part 1 of 3:
Cleaning the Filter
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1 Slide out the bottom rack and scoop out any debris in the drain. The drain is located in the bottom center of the dishwasher. Reach your hand into the drain and remove any food chunks and visible debris.[1]XResearch source
Put on a pair of rubber gloves first to protect your hands.
2 Remove the filter and hand-wash it with warm soapy water. If your dishwasher has a removable filter, it’ll be located in or around the drain. Grab the top of the filter, rotate it counter-clockwise, and lift it out. Take it over to the sink and give it a good scrub with a sponge.[2]XResearch source
The filter is prime real estate for food particles, bacteria, and fungal growth, so it's important to clean it weekly (or even daily if you use the dishwasher a lot).
To remove stubborn food residue, gently scrub with an old toothbrush.
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3 Rinse the filter with warm water and pop it back into place. After you rinse the filter thoroughly, you can put it straight back into the dishwasher (you don’t need to let it air dry). Rotate it clockwise to lock it in place.
When you’re done, put the bottom dish rack back onto its rails.
Advertisement Part 2 Part 2 of 3:
Disinfecting with Vinegar
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1 Fill a container with 1 c (237ml) of vinegar and put it on the top rack. Remove any dishes inside so the dishwasher is empty (aside from your container of vinegar). Any dishwasher-safe container will do the trick for this, just make sure it doesn’t have a lid.[3]XResearch source
Vinegar is a natural disinfectant that kills mold and sanitizes surfaces effectively.
Alternatively, you can put bleach in the cup instead of vinegar.[4]XResearch source
2 Run a hot water cycle so the vinegar can work its disinfecting magic. Select the longest and hottest cycle your dishwasher allows. Once the cycle starts, your dishwasher will disperse the vinegar and mix with the hot water to sanitize the inside.[5]XResearch source
You can also use the self-clean cycle if your dishwasher has one.
3 Sprinkle a cup (237ml) of baking soda inside and run a short cycle. This is optional, but it can help deodorize any lingering odors that the vinegar didn’t knock out. Scatter the baking soda in the bottom of the dishwasher and run a short hot water cycle.[6]XResearch source
4 Wipe down the seals and door with straight vinegar. Soak a microfiber cloth or sponge in vinegar and run it along the door seals and the inside of the door. To be thorough, lift up the folds or ridges and slosh a bit of vinegar in the gap. Wait 10 minutes, then wipe the areas again with a clean cloth.[7]XResearch source
5 Scrub stubborn mold with an old toothbrush and vinegar. Your dishwasher should be sparkling at this point, but if you're still seeing moldy spots, hit them with vinegar again and tackle them with a cleaning brush. If there's a lingering funky odor, scrub the drain and spray arm with vinegar, as well.[8]XResearch source
Advertisement Part 3 Part 3 of 3:
Preventing Mold
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1 Run a vinegar and a hot water cycle weekly. Just empty the dishwasher, pop a container of vinegar into the top rack, and run a hot water cycle to kill any fungi and bacteria lingering inside. Be sure to wipe down the door and seals with vinegar, as well.[9]XResearch source
If your dishwasher has a “sanitize” option, you can also use that.
2 Leave the dishwasher door slightly ajar between uses. Trapped moisture and humidity are the perfect breeding ground for mold. After you run a cycle, leave the door open a crack to allow air to pass through the interior and dry the surface. Once it's dry, close the door.[10]XResearch source
3 Deep clean your dishwasher once a month. After running a hot water cycle with vinegar, spray vinegar directly into the nooks and crannies of your dishwasher (under the seals, the drain, the spray arm, and the back corners). Wait 10 minutes for the vinegar to kill anything living on the surface, then wipe everything down again with a clean cloth or sponge.
To get down into the smaller crevices for a super deep clean, try using a toothpick or cotton swab.[11]XResearch source
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Expert Q&A
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Question How do I deep clean my dishwasher? Ashley Matuska Professional Cleaner Ashley Matuska is a Professional Cleaner at the Founder and Owner of Dashing Maids in Denver, Colorado. Ashley has over seven years of experience in the cleaning industry. She and her team specialize in offering sustainable deep cleaning and maintenance cleaning services. She received a BS in Biology and Sociology from Indiana University. Ashley Matuska Professional Cleaner Expert Answer Start by cleaning the filter. You should clean your dishwasher filter about every 3 months or so by rinsing it under running water. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 3 Helpful 7
Question I can’t get the filter out my dishwasher. It’s a 2003 or 2004 by Maytag Quiet series 300. wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. wikiHow Staff Editor Staff Answer Some older dishwashers may not have removable filters. Try contacting Maytag for information on your specific model or look for the user manual online. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 2
Question My dishwasher hasn't worked in months. It stinks terribly and has mold in it. I want to have it repaired, but how can I clean it first? It doesn't fill, so I can't run it. Community Answer Spray or wipe vinegar in there and let it set for around 15 minutes. It will be strong, but it will help to stop the mold from spreading further. Wear gloves and any other protective attire you prefer (like a face mask). After that's set, go in with some Dawn dish soap and a scrubber. Scrub for a few minutes, and keep rinsing your sponge with hot water. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 3
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Tips
Avoid leaving dirty dishes in the dishwasher for extended periods of time, as this could cause mold to grow. Thanks Helpful 2 Not Helpful 0
If mold keeps reappearing in your dishwasher, the drain line might be clogged. You should look into cleaning it. Thanks Helpful 2 Not Helpful 0
Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement
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Co-authored by: Ashley Matuska Professional Cleaner This article was co-authored by Ashley Matuska and by wikiHow staff writer, Amber Crain. Ashley Matuska is a Professional Cleaner at the Founder and Owner of Dashing Maids in Denver, Colorado. Ashley has over seven years of experience in the cleaning industry. She and her team specialize in offering sustainable deep cleaning and maintenance cleaning services. She received a BS in Biology and Sociology from Indiana University. This article has been viewed 261,370 times. 13 votes - 94% Co-authors: 5Updated: August 16, 2023 Views: 261,370 Categories: Cleaning DishwashersArticle SummaryX
To clean a moldy dishwasher, start by putting 1 cup of vinegar into a small bowl and placing it in the top rack of an empty dishwasher. Then, run a hot water cycle so the vinegar can work to remove the grime and mold during the wash. Next, sprinkle 1 cup of baking soda over the bottom of the dishwasher and let it sit overnight. The next morning, run another hot water cycle to remove any remaining odors from the mold. Finally, use a toothbrush and soapy water to scrub any nooks and crannies that still have mold in them. For tips on how to clean the filter in your dishwasher to prevent mold, read on!Did this summary help you?YesNo
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Reader Success Stories
Betty Ackerson
Aug 30, 2019
"We tried everything we knew, including some of the things you buy in the store. Bless the vinegar. It sure came to the rescue. Who would think something that simple would take care of he problem?"..." more
More reader stories Hide reader stories Share your story If you buy through links on our site, we may earn a commission.
Did this article help you?
Yes No Advertisement If you buy through links on our site, we may earn a commission.Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Co-authored by: Ashley Matuska Professional Cleaner Co-authors: 5Updated: August 16, 2023 Views: 261,37094% of readers found this article helpful. 13 votes - 94% Click a star to add your vote
Betty Ackerson
Aug 30, 2019
"We tried everything we knew, including some of the things you buy in the store. Bless the vinegar. It sure came to the rescue. Who would think something that simple would take care of he problem?"..." more
Patty Owen
Jun 16, 2018
"I was visiting our son, and when I saw the mold in his dishwasher, I looked up online ways to clean it for him. Your article was clear, simple and helpful. I am trying it out now. Thank you."..." more
Linl Dsall
Oct 13, 2017
"Thank you for the info about cleaning the filter in my dishwasher first. Good to know!"
Lezlie A.
May 1, 2018
"Cleaning the filter and how to clean the water holes. Thank you." Share yours! More success stories Hide success stories
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Download Article Eliminate mold, disinfect your dishwasher, and prevent future problems with this simple guide Co-authored by Ashley Matuska and Amber Crain 
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Co-authored by: Ashley Matuska Professional Cleaner This article was co-authored by Ashley Matuska and by wikiHow staff writer, Amber Crain. Ashley Matuska is a Professional Cleaner at the Founder and Owner of Dashing Maids in Denver, Colorado. Ashley has over seven years of experience in the cleaning industry. She and her team specialize in offering sustainable deep cleaning and maintenance cleaning services. She received a BS in Biology and Sociology from Indiana University. This article has been viewed 261,370 times. 13 votes - 94% Co-authors: 5 Updated: August 16, 2023 Views: 261,370 Categories: Cleaning Dishwashers Article SummaryX
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1 Slide out the bottom rack and scoop out any debris in the drain. The drain is located in the bottom center of the dishwasher. Reach your hand into the drain and remove any food chunks and visible debris.[1] 
2 Remove the filter and hand-wash it with warm soapy water. If your dishwasher has a removable filter, it’ll be located in or around the drain. Grab the top of the filter, rotate it counter-clockwise, and lift it out. Take it over to the sink and give it a good scrub with a sponge.[2] 
3 Rinse the filter with warm water and pop it back into place. After you rinse the filter thoroughly, you can put it straight back into the dishwasher (you don’t need to let it air dry). Rotate it clockwise to lock it in place. 
1 Fill a container with 1 c (237ml) of vinegar and put it on the top rack. Remove any dishes inside so the dishwasher is empty (aside from your container of vinegar). Any dishwasher-safe container will do the trick for this, just make sure it doesn’t have a lid.[3] 
2 Run a hot water cycle so the vinegar can work its disinfecting magic. Select the longest and hottest cycle your dishwasher allows. Once the cycle starts, your dishwasher will disperse the vinegar and mix with the hot water to sanitize the inside.[5] 
3 Sprinkle a cup (237ml) of baking soda inside and run a short cycle. This is optional, but it can help deodorize any lingering odors that the vinegar didn’t knock out. Scatter the baking soda in the bottom of the dishwasher and run a short hot water cycle.[6] 
4 Wipe down the seals and door with straight vinegar. Soak a microfiber cloth or sponge in vinegar and run it along the door seals and the inside of the door. To be thorough, lift up the folds or ridges and slosh a bit of vinegar in the gap. Wait 10 minutes, then wipe the areas again with a clean cloth.[7] 
5 Scrub stubborn mold with an old toothbrush and vinegar. Your dishwasher should be sparkling at this point, but if you're still seeing moldy spots, hit them with vinegar again and tackle them with a cleaning brush. If there's a lingering funky odor, scrub the drain and spray arm with vinegar, as well.[8] Advertisement 
1 Run a vinegar and a hot water cycle weekly. Just empty the dishwasher, pop a container of vinegar into the top rack, and run a hot water cycle to kill any fungi and bacteria lingering inside. Be sure to wipe down the door and seals with vinegar, as well.[9] 
2 Leave the dishwasher door slightly ajar between uses. Trapped moisture and humidity are the perfect breeding ground for mold. After you run a cycle, leave the door open a crack to allow air to pass through the interior and dry the surface. Once it's dry, close the door.[10] 
3 Deep clean your dishwasher once a month. After running a hot water cycle with vinegar, spray vinegar directly into the nooks and crannies of your dishwasher (under the seals, the drain, the spray arm, and the back corners). Wait 10 minutes for the vinegar to kill anything living on the surface, then wipe everything down again with a clean cloth or sponge. 
Ashley Matuska Professional Cleaner Ashley Matuska is a Professional Cleaner at the Founder and Owner of Dashing Maids in Denver, Colorado. Ashley has over seven years of experience in the cleaning industry. She and her team specialize in offering sustainable deep cleaning and maintenance cleaning services. She received a BS in Biology and Sociology from Indiana University. 
wikiHow Staff Editor Staff Answer This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness. 
Community Answer Spray or wipe vinegar in there and let it set for around 15 minutes. It will be strong, but it will help to stop the mold from spreading further. Wear gloves and any other protective attire you prefer (like a face mask). After that's set, go in with some Dawn dish soap and a scrubber. Scrub for a few minutes, and keep rinsing your sponge with hot water. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 0 Helpful 3 
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