How To Clean A Moldy Dishwasher

Are you tired of opening your dishwasher to find a musty smell and mold growing inside? It’s not only unsightly, but it can also be harmful to your health.

Luckily, cleaning a moldy dishwasher is not as difficult as it may seem. With a few simple steps, you can have your dishwasher sparkling clean and mold-free in no time.

First, you’ll need to identify the source of the mold in your dishwasher. Mold can grow in various parts of the dishwasher, including the spray arm, filters, and door seal. Once you’ve determined where the mold is growing, you can take the necessary steps to remove it and prevent it from coming back.

Keep reading to learn how to clean a moldy dishwasher and ensure it stays clean in the future.

Table of Contents

Identifying the Source of Mold in Your Dishwasher

If you notice a musty smell or see dark spots in your appliance, it’s important to identify the root cause of the issue to prevent it from recurring.

The first step is to inspect the dishwasher’s interior for any visible signs of mold or mildew. Check the rubber gasket around the dishwasher door, the spray arm, and any other crevices where water may collect.

Next, consider your cleaning routine. Are you using the appropriate amount of detergent? Overloading the dishwasher? Not running the dishwasher frequently enough? All of these factors can contribute to mold growth. It’s important to follow the manufacturer’s guidelines for loading the dishwasher and running it regularly to avoid stagnant water buildup.

Finally, take a look at your home’s water supply. Hard water or high levels of minerals can create an environment that promotes mold growth. Consider using a water softener or installing a filter to reduce the amount of minerals in your water.

By identifying the source of the mold growth, you can take steps to prevent it from returning in the future.

Preparing Your Dishwasher for Cleaning

Get ready to say goodbye to those pesky invaders lurking in the depths of your trusty kitchen appliance. Before you start cleaning your moldy dishwasher, you need to prepare it for the task at hand.

First, make sure the dishwasher is completely empty of any dishes or utensils. You don’t want to accidentally damage or lose any items during the cleaning process.

Next, remove any visible debris or food particles from the dishwasher. Use a damp cloth or sponge to wipe down the interior of the dishwasher, paying special attention to the crevices and corners where mold can hide.

Once you’ve removed all visible debris, you’re ready to move on to the next step. Finally, run a cycle of hot water with a cup of white vinegar to help sanitize and deodorize your dishwasher. This will also help loosen any remaining mold or mildew, making it easier to clean.

Once the cycle is complete, your dishwasher is ready for a thorough cleaning to banish any remaining mold and leave your appliance looking and smelling fresh.

Using Vinegar to Clean Your Dishwasher

To banish those pesky invaders from your trusty kitchen appliance, all you need is vinegar. It’s a natural and effective way to clean your dishwasher, without using harsh chemicals.

Firstly, remove any visible mold or mildew from the dishwasher’s interior using a soft cloth or sponge.

Then, pour a cup of white vinegar into a dishwasher-safe container and place it on the top rack of the machine.

Next, run a cycle with hot water and the vinegar-filled container. This will sanitize and deodorize your dishwasher, leaving it fresh and clean. You can also add a few drops of essential oil, such as lemon or lavender, to the vinegar to give your appliance a pleasant scent.

Repeat this process every few months to keep your dishwasher mold-free.

Remember to also clean the dishwasher’s filters and spray arms regularly to prevent mold growth.

By using vinegar to clean your dishwasher, you can ensure that your kitchen appliance stays in tip-top shape and your dishes come out sparkling clean every time.

Using Baking Soda to Clean Your Dishwasher

Let’s freshen up your trusty kitchen appliance with the power of baking soda! This versatile ingredient can do wonders in cleaning and deodorizing your dishwasher.

First, remove any debris or food particles from the bottom of the dishwasher. Then, sprinkle a cup of baking soda over the bottom of the machine and let it sit for a few hours or overnight.

After the baking soda has had time to work its magic, run a hot water cycle to wash away the residue. You can also add a cup of white vinegar during this cycle for an extra deep clean.

Baking soda not only helps to eliminate odors, but it can also help to remove stains and buildup in your dishwasher. Remember to also clean the dishwasher’s gasket, spray arms, and filters regularly to prevent mold and bacteria growth.

Following these steps will not only keep your dishwasher clean and fresh, but it will also help it to run more efficiently and prolong its lifespan. Give your dishwasher some love with the power of baking soda!

Using Commercial Dishwasher Cleaners

You can easily maintain the efficiency of your kitchen appliance by using commercial dishwasher cleaners. These cleaners are specially formulated to remove tough stains, odors, and mold buildup. They come in various forms such as liquid, powder, and tablets, and can be found in most grocery stores or online.

When using a commercial dishwasher cleaner, make sure to follow the instructions on the label carefully. Here are some additional tips to keep in mind:

  1. Always run your dishwasher on the hottest cycle possible to ensure that the cleaner works effectively.
  2. Be sure to remove any excess food debris and buildup before adding the cleaner.
  3. Consider using a cleaner with a disinfectant to kill any bacteria or germs that may be present in your dishwasher.
  4. Regularly cleaning your dishwasher with a commercial cleaner can help extend the lifespan of your appliance and prevent the need for costly repairs in the future.

Using a commercial dishwasher cleaner can save you time and effort in cleaning your moldy dishwasher. With a little bit of effort and the right product, you can keep your dishwasher running smoothly for many years to come.

Cleaning the Interior of Your Dishwasher

Maintaining the pristine condition of your kitchen appliance is crucial, and you can do so by effectively cleaning the interior of your dishwasher. Mold can easily grow in the warm, moist environment of your dishwasher, and it’s essential to get rid of it as soon as possible.

To clean the interior of your dishwasher, start by removing any debris or food particles from the dishwasher’s bottom and spray arm. Next, inspect the dishwasher’s interior for any visible mold or mildew spots. If you find any, create a solution of equal parts baking soda and water.

Apply the mixture to the affected areas and allow it to sit for 10-15 minutes. Afterward, scrub the area using a sponge or brush and rinse with water. This will effectively remove any mold or mildew from your dishwasher’s interior.

After cleaning the interior of your dishwasher, it’s essential to keep it dry to prevent mold from growing. Leave the dishwasher door open after each cycle to allow for air circulation and moisture to evaporate. Also, periodically check the dishwasher’s filter and clean it if necessary.

By following these simple steps, you can keep your dishwasher clean and free of mold for years to come.

Cleaning the Exterior of Your Dishwasher

Now that the interior of your dishwasher is sparkling clean, it’s time to turn your attention to the exterior. After all, a clean exterior not only looks better, but it can also improve the overall functioning of your dishwasher.

Here are some tips for cleaning the exterior of your dishwasher:

  • Start by wiping down the front of your dishwasher with a damp cloth. Pay special attention to any areas that may have food or grease splatters.

  • If there are any stubborn stains, mix together a paste of baking soda and water. Apply the paste to the stain and let it sit for 15 minutes before wiping it away with a damp cloth.

  • Use a toothbrush or small scrub brush to clean around the buttons and controls. Be careful not to get water inside the controls.

  • If your dishwasher has a stainless steel exterior, use a stainless steel cleaner to remove any fingerprints or smudges.

  • Don’t forget to clean the sides and top of your dishwasher as well. These areas can collect dust and dirt over time.

Taking the time to clean the exterior of your dishwasher not only helps it look better, but it can also improve its overall performance. A clean exterior can prevent food and grease buildup from affecting the dishwasher’s functioning. So, take a few minutes to give your dishwasher a thorough cleaning and enjoy a cleaner, more efficient kitchen appliance.

Preventing Mold Growth in Your Dishwasher in the Future

Keep your dishwasher smelling fresh and running smoothly by following these simple tips to prevent mold growth in the future.

First, make sure to always rinse off any food debris from your dishes before loading them into the dishwasher. This will prevent any excess food particles from building up in the dishwasher and creating a breeding ground for mold.

Additionally, leave the dishwasher door open for a few minutes after each cycle to allow any moisture to evaporate, which will also help prevent mold growth.

Another helpful tip to prevent mold growth in your dishwasher is to regularly clean the dishwasher’s filter. The filter is responsible for catching any food debris that may have been missed during the pre-rinse, and if it becomes clogged, it can lead to excess moisture buildup and mold growth.

To clean the filter, simply remove it from the dishwasher and soak it in warm, soapy water for a few minutes. Then, rinse it off and replace it back into the dishwasher.

Lastly, consider running your dishwasher on the hottest setting possible. Mold thrives in moist, warm environments, so running your dishwasher on a hot cycle will not only help kill any existing mold but also prevent new growth.

Additionally, try using a dishwasher cleaner or disinfectant once a month to keep your dishwasher clean and fresh.

By following these simple tips, you can prevent mold growth in your dishwasher and keep it running smoothly for years to come.


Congratulations! You’ve successfully cleaned your moldy dishwasher. Now it’s time to take some preventive measures to ensure that mold doesn’t grow in your dishwasher again.

Firstly, make sure to scrape off any leftover food particles from your dishes before putting them in the dishwasher. This will prevent the growth of mold and bacteria.

Also, run your dishwasher on a high temperature setting at least once a month to kill any remaining bacteria.

Lastly, keep your dishwasher clean and dry by wiping down the interior after each use and leaving the dishwasher door slightly open to allow air to circulate.

With these simple steps, you can keep your dishwasher mold-free and ensure that your dishes are always clean and safe to use.