Dishwasher Smells Like Rotten Eggs? Here’s How To Fix It!

Opening your dishwasher only to be met with a foul, rotten egg smell can be an upsetting experience. However, this common household issue is not something you have to live with. Understanding the causes and implementing some simple solutions can help you eliminate this smell for good. Let’s dive deeper into how you can maintain a fresh and clean dishwasher.

The Root Causes of Dishwasher Smells


Before tackling the smell, it’s crucial to understand what causes it. The primary culprits include:

  • Food Buildup: Food particles that don’t make it out of the dishwasher can start to decay, producing unpleasant odors. These particles often accumulate in the filter, spray arms, and corners of the dishwasher.
  • Stagnant Water: If water isn’t draining properly from your dishwasher, it can lead to stagnant pools that become breeding grounds for bacteria and mold, contributing to the smell.
  • Mold and Mildew Growth: The dishwasher’s moist environment is perfect for mold and mildew, which not only smell bad but can also pose health risks.
  • Grease and Grime: Over time, grease and grime from dishes can coat the dishwasher’s interior surfaces, trapping odors inside.

Comprehensive Dishwasher Cleaning Solutions

dishwasher filter

Step 1: Deep Clean the Filter

The dishwasher filter acts as the primary barrier, preventing food particles from reaching the drain. However, it can get clogged over time, which may cause bad smells. Firstly, remove the filter as directed in the manufacturer’s instructions, usually located at the dishwasher’s bottom. Then, clean it carefully with warm, soapy water. Additionally, for any persistent debris, employ a soft-bristled brush to ensure thorough cleaning.

Step 2: Utilize Vinegar and Baking Soda

A combination of vinegar and baking soda is a powerful, natural way to eliminate odors. Start by running a hot water cycle with a cup of white vinegar placed on the top rack. Then, sprinkle a cup of baking soda on the bottom of the dishwasher and run a second cycle. This not only neutralizes odors but also helps clear minor clogs.

Step 3: Address Drainage Issues

Ensure the dishwasher’s drainage system is functioning correctly. Check the drain hose for blockages or kinks that could prevent water from flowing freely. If your dishwasher drains through the garbage disposal, make sure that it is also clear of debris.

Step 4: Combat Mold and Mildew

After cleaning, leave the dishwasher door open. This step enhances air circulation and dries out any lingering moisture, effectively deterring mold and mildew growth. Additionally, for further protection, consider using a mild bleach solution on a cloth. With this, gently wipe down the interior surfaces. Specifically, focus on the rubber seals around the door. These areas are prone to moisture accumulation and require extra attention.

Step 5: Regular Maintenance is Key

Incorporate these cleaning steps into your regular maintenance routine to prevent odors from returning. Cleaning the filter monthly, using vinegar and baking soda quarterly, and ensuring proper drainage can keep your dishwasher smelling fresh year-round.

Preventive Measures for a Fresher Dishwasher

dishwasher with dishes
  • Rinse Dishes Before Loading: While it’s not necessary to wash dishes before placing them in the dishwasher, rinsing off large food particles can significantly reduce the risk of clogs and odors.
  • Choose the Right Detergent: High-quality dishwasher detergents are formulated to break down food particles and grease, helping keep your dishwasher clean.
  • Load Dishes Correctly: Proper loading ensures water and detergent can circulate freely, reducing the likelihood of food particles getting stuck.

Embracing a Fresh and Clean Dishwasher

clean dishwasher

By understanding the causes of dishwasher odors and implementing these cleaning and maintenance tips, you can ensure your dishwasher remains a helpful appliance rather than a source of bad smells. Regular care not only keeps your dishwasher smelling fresh but also extends its lifespan and ensures it cleans your dishes effectively.

Remember, a clean dishwasher isn’t just for dodging bad smells. It’s key to a healthy, hygienic kitchen. Here, you can cook with confidence. So, give your dishwasher the care it needs. Enjoy the perks of a fresh, clean machine. It’s ready to handle your dirty dishes!

Call 1-Tom-Plumber

Don’t hesitate to contact us here or call us at 1-Tom-Plumber (1-866-758-6237) if you need any plumbing, drain cleaning, or excavation service. 1-Tom-Plumber’s certified team of plumbers and drain technicians respond immediately to any emergency plumbing, drain cleaning, or water damage problem. Furthermore, we also handle the excavation of underground water lines and sewer main lines. Our immediate-response team is available every day and night of the year, even on holidays.

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