How to Clean Moldy Dishwasher

A dishwasher is a convenient and time-saving appliance that makes cleaning dishes easy and efficient. However, if not properly maintained, a dishwasher can become a breeding ground for mold and bacteria. This can cause foul odors, and even worse, pose a health risk to your family. A moldy dishwasher is a common problem that many homeowners face, but it can be easily remedied with the right approach. In this article, we will outline step-by-step instructions on how to clean a moldy dishwasher.

How to Clean a Moldy Dishwasher?

Having a moldy dishwasher can be very unpleasant and even hazardous to your health. Cleaning it requires some effort but is essential in order to ensure that your kitchen remains a safe, healthy environment. In this article, we will provide step-by-step instructions on how to clean a moldy dishwasher and the products you’ll need to do the job effectively.

3 Best GE Dishwashers 1 How to Clean Moldy Dishwasher

Step 1: Safety First

Before you start cleaning your dishwasher, it’s important to take some safety precautions. You’ll need to wear gloves to protect your hands from any chemicals or bacteria that may be present in the dishwasher. You should also make sure that your dishwasher is disconnected from its power source. If your dishwasher is hardwired, turn off the circuit breaker that powers it. If it’s plugged in, simply unplug it from the outlet.

Step 2: Remove Any Visible Debris

The first step in cleaning your dishwasher is to remove any visible debris. This includes food particles, broken glass, and anything else that may be sitting at the bottom of the dishwasher. Use a paper towel or a sponge to remove any debris. You can also use a toothbrush to clean hard-to-reach areas.

Step 3: Clean the Spray Arms

The spray arms are responsible for spraying water onto the dishes. Over time, they can become clogged with debris, which can lead to a moldy dishwasher. To clean the spray arms, remove them from the dishwasher and rinse them under hot water. You can also use a toothbrush to scrub away any debris.

Step 4: Clean the Filter

The filter is responsible for trapping food particles and other debris that may be in the dishwasher. If the filter becomes clogged, it can lead to a moldy dishwasher. To clean the filter, remove it from the dishwasher and rinse it under hot water. You can also use a toothbrush to scrub away any debris.

Step 5: Clean the Interior of the Dishwasher

Once you’ve removed any visible debris and cleaned the spray arms and filter, it’s time to clean the interior of the dishwasher. You can use a dishwasher cleaner or make your own using vinegar and baking soda. To make your own dishwasher cleaner, mix 1 cup of white vinegar with 1 cup of baking soda. Place the mixture in a dishwasher-safe container and place it on the top rack of the dishwasher. Run the dishwasher on the hottest setting.

Step 6: Clean the Door Gasket

The door gasket is the rubber seal that runs around the edge of the dishwasher door. It can become moldy if not cleaned regularly. To clean the door gasket, use a toothbrush and a mixture of hot water and vinegar. Be sure to clean all of the crevices in the gasket.

Step 7: Run a Final Rinse

After cleaning the dishwasher with vinegar and baking soda, run a final rinse cycle. This will remove any remaining residue and ensure that your dishwasher is clean and fresh-smelling.

Step 8: Regular Maintenance

To prevent your dishwasher from becoming moldy in the future, it’s important to perform regular maintenance. This includes running hot water through the sink before starting the dishwasher, scraping excess food off of dishes before placing them in the dishwasher, and running the dishwasher on the hottest setting possible.

How to Clean Moldy Dishwasher Racks?

Cleaning moldy dishwasher racks can be a time consuming and difficult task. The best way to do it is to start by removing the racks from the dishwasher and submerging them in a sink or tub filled with warm water and detergent. Let them soak for at least an hour before scrubbing them with a brush or sponge, paying special attention to any areas that are especially covered in mold. Once finished, rinse off all of the soap residue and dry off the racks completely before placing them back in the dishwasher.

How to Clean Dishwasher Racks

If you find that you still have some stubborn patches of mold after scrubbing, you can try using a mixture of baking soda and water to make a paste, then applying it directly to the affected areas. Let it sit for about 10 minutes before scrubbing again with your brush or sponge. This should help get rid of any remaining mold.

What is the Best Mold Remover for Dishwasher?

The best mold remover for a dishwasher is a product specifically designed to remove mold and mildew. These products are available in both liquid and powder forms, and they usually contain chlorine bleach or hydrogen peroxide as their active ingredients. When using these products, it’s important to follow the instructions carefully, as they can be very harsh on surfaces if used improperly.

Another option for removing mold from a dishwasher is to use a vinegar solution. Simply mix one part white vinegar with one part water and spray directly onto the affected areas. Allow the mixture to sit for 10-15 minutes before wiping away with a damp cloth or sponge. This method is gentler than using chemical cleaners, but may require multiple applications if the mold is particularly stubborn.

Finally, you can also try using baking soda as an effective natural cleaner for your dishwasher. Simply sprinkle baking soda over the affected surface and scrub gently with a damp cloth or sponge.

Why is the Inside of my Dishwasher Moldy?

The inside of your dishwasher can become moldy if moisture is left trapped in the machine after a cycle. This can happen when dishes are not dried properly or when the door is not opened to allow air to circulate. It can also occur if there are small cracks or crevices that allow moisture to get trapped and create a moist environment for mold growth. To prevent this from happening, make sure you open the dishwasher door after each cycle to let any remaining moisture evaporate. Additionally, it’s important to ensure dishes are completely dry before placing them in the dishwasher so they don’t trap any water droplets inside. Finally, regularly inspect the interior of your dishwasher for any cracks or crevices where moisture may be collecting and clean them out with a damp cloth.

Is Mold Common in Dishwashers?

Mold is relatively common in dishwashers, especially if the machine isn’t cleaned regularly. Because dishwashers are usually damp and dark, they can be ideal environments for mold to grow. This is why it’s important to clean your dishwasher on a regular basis.

To clean your dishwasher, start by wiping down the interior with a damp cloth and some white vinegar. Then run an empty cycle with hot water and a cup of white vinegar in the detergent dispenser. This will help remove any residue from the walls and racks of your dishwasher that could be harboring mold spores. Finally, leave the door open after each use to allow the interior to dry completely.

By taking these steps, you can help reduce the chances of mold developing in your dishwasher. Regular cleaning will also help keep your dishes cleaner and make sure that your machine runs efficiently over time.

Does Mold Wash off in the Dishwasher?

Mold can be difficult to remove from dishes, and whether or not it will wash off in the dishwasher depends on the type of mold present. Non-porous surfaces such as plastic, glass, and metal are more likely to have mold wash off during a standard dishwashing cycle. Porous surfaces like wood, fabric, and porous ceramics may require additional scrubbing or a longer washing cycle.

If you’re dealing with a large amount of mold on dishes, it’s best to start by scrubbing them with soap and water before putting them in the dishwasher. This will help loosen any debris that has become attached to the surface of the dishes. If you don’t have time for this step, try using a stronger detergent and running a longer washing cycle. You may also want to add some white vinegar or bleach to the dishwashing liquid for extra cleaning power.


A moldy dishwasher can be a frustrating and potentially dangerous problem. However, with the right approach, it can be easily remedied. By following the steps outlined in this article, you can clean your dishwasher and prevent mold from growing in the future. Remember to wear gloves, disconnect the dishwasher from its power source, remove any visible debris, clean the spray arms.

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