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The ultimate dishwasher mold removal guide: say goodbye to unsightly stains and odors

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er,...

What To Know

  • Remove it if possible and soak it in a solution of equal parts white vinegar and water for 30 minutes.
  • If the mold is particularly stubborn, you can use bleach as a last resort.
  • If mold keeps returning, there may be a more serious underlying problem, such as a leak or a problem with the dishwasher’s drainage system.

Mold in your dishwasher is not just an eyesore; it can also pose health risks. Fortunately, getting rid of it is relatively straightforward. Here’s a step-by-step guide to help you restore your dishwasher to its pristine condition:

1. Identify the Mold

If you notice a musty smell or black or green spots inside your dishwasher, it’s likely mold. It often accumulates in areas with moisture and organic matter, such as the door gasket, filter, or spray arms.

2. Prepare Your Materials

Gather the following items:

  • White vinegar
  • Baking soda
  • Bleach (optional)
  • Soft cloths or sponges
  • Gloves
  • Toothbrush (optional)

3. Remove Visible Mold

Use a soft cloth dampened with white vinegar to wipe away any visible mold. If the mold is stubborn, apply baking soda and scrub gently with a toothbrush.

4. Clean the Door Gasket

The door gasket is a common spot for mold growth. Remove it if possible and soak it in a solution of equal parts white vinegar and water for 30 minutes. Wipe it down thoroughly before reinstalling.

5. Clean the Filter

Remove the filter and soak it in a solution of baking soda and water for 15 minutes. Rinse it thoroughly and reinstall it.

6. Clean the Spray Arms

Mold can clog the spray arms, preventing proper water flow. Use a toothpick or pipe cleaner to remove any debris. Then, soak the spray arms in a solution of white vinegar and water for 30 minutes. Rinse them thoroughly and reinstall them.

7. Run a Hot Dishwasher Cycle

After cleaning all the components, run an empty dishwasher cycle on the hottest setting. Add 2 cups of white vinegar to the bottom of the dishwasher during the cycle to disinfect it further.

8. Optional: Use Bleach

If the mold is particularly stubborn, you can use bleach as a last resort. Add 1 cup of bleach to the bottom of the dishwasher during a hot cycle. However, bleach should not be used regularly as it can damage the dishwasher’s components.

9. Prevent Future Mold Growth

To prevent mold from returning, practice the following:

  • Run your dishwasher regularly, even if it’s not full.
  • Leave the dishwasher door open slightly after use to allow it to air out.
  • Clean the dishwasher filter and gasket regularly.
  • Avoid putting food scraps or grease in the dishwasher.

End of Mold Misery

By following these steps, you can effectively eliminate mold from your dishwasher and keep it clean and hygienic. Remember to practice preventive measures to prevent future mold growth, ensuring your dishwasher remains a germ-free zone.

What People Want to Know

1. Why does my dishwasher have mold?

Mold thrives in moist environments with organic matter. Dishwashers provide the perfect conditions for mold growth, especially if they are not cleaned regularly or if food scraps are left behind.

2. Is mold in a dishwasher harmful?

Mold spores can cause respiratory problems, allergies, and other health issues. It’s important to remove mold promptly to prevent potential health risks.

3. How often should I clean my dishwasher?

It’s recommended to clean your dishwasher at least once a month to prevent mold and other buildup. If you use your dishwasher frequently, you may need to clean it more often.

4. Can I use commercial dishwasher cleaners to remove mold?

Commercial dishwasher cleaners can be effective in removing mold, but they may contain harsh chemicals. White vinegar and baking soda are natural and effective alternatives that are safe for use in your dishwasher.

5. What should I do if the mold comes back after cleaning?

If mold keeps returning, there may be a more serious underlying problem, such as a leak or a problem with the dishwasher’s drainage system. Contact an appliance repair technician for assistance.

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Rob Sanders

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er, Rob takes pride in testing out the latest tools and gadgets to see how they can make home projects easier. When it comes to heating systems, he's evaluated over 50 different furnace and boiler models over the years. Rob founded Nurturing Homeaid with his business partner Jim in 2020 to provide homeowners with genuine product recommendations they can trust. In his free time, Rob enjoys remodeling old homes with his family and traveling to visit architectural landmarks across the country. He holds a bachelor's degree in Journalism from Syracuse University.
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