A Homeowner’s Guide: How to Clean a Moldy Dishwasher


Do you have a dirty dishwasher?

If your dishwasher hasn’t lasted as long as it used to, you may have a mold problem. A moldy dishwasher can mean a lot of expensive repairs, which is why it’s essential to catch the problem early.

In some cases, cleaning the dishwasher can solve the problem. It’s easier than you might think. All you need are basic tools and products you probably already have around your house.

Keep reading to learn more about how to clean a moldy dishwasher!

Understanding the Causes of Mold in Dishwashers

Mold growth in dishwashers is a common problem that affects homeowners. To properly clean a mold-covered dishwasher, it is vital first to understand the causes of mold in dishwashers.

Typically, the presence of moisture and organic matter in the dishwasher can create the ideal environment for mold to thrive. Other familiar sources of mold within a residential dishwasher include food particles left behind after washing dishes, a leak from the home’s plumbing, or a lack of proper ventilation in the area around the appliance.

Preparing Your Dishwasher for Cleaning

Preparing your dishwasher for cleaning is an important task for basic dishwasher maintenance. Before cleaning, empty the dishwasher and wipe its interior with a clean, damp cloth.

Be sure to get into all the nooks and crannies, as this will help you remove any food particles and other debris in the dishwasher. Once the inside is clean, run hot water through the dishwasher to flush out dirt and grime in the pipes.


Then, check to make sure all seals and gaskets are intact to ensure no moisture can get in, which can lead to mold growth. Finally, remove any dishes, scrub brushes, utensils, and cleaners, as these will prevent the cleaning solution from reaching its full potential.

Instructions on How to Clean a Moldy Dishwasher

Cleaning a moldy dishwasher is not difficult. First, mix a solution of white vinegar with one part of hot water. Use a spray bottle to spray the vinegar solution to cover the dishwasher’s interior.

Allow the vinegar solution to sit briefly before closing the door and turning the power back on. Start a hot cycle, allowing the vinegar solution to use the heat to help loosen the mold.

Once the cycle is complete, use a cloth or sponge to remove mold or mildew. If stubborn mold remains, add a few baking soda teaspoons to the vinegar solution.

The baking soda will help clean the mold and mildew. If these steps don’t rid the dishwasher of mold, it may be time to call a professional like Two Gals & A Broom for expert help.

Get a Headstart on Cleaning Your Dishwasher Today!

Knowing how to clean a moldy dishwasher is very straightforward as long as the proper techniques are used. Following the tips outlined in this guide, you can easily ensure that your dishwasher is mold-free and ready to use! Take the time now to confirm your dishwasher is properly taken care of.

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