How to Clean a Smelly Dishwasher: Easy Steps for Fresh Results

A dishwasher is a must-have in every busy household. It makes kitchen cleanup effortless and saves valuable time. Unfortunately, your dishwasher might occasionally develop unpleasant odors, leaving your dishes less than fresh. At Maid 4 Cleaning, our cleaning experts have effective, easy-to-follow tips to quickly remove odors and keep your dishwasher smelling great.

Why Does My Dishwasher Smell Bad?

Though dishwashers are designed to clean your dishes, food residue, grease, and soap scum can remain inside, causing unpleasant odors. Common areas where buildup happens include:

• Drain filter

• Spray arm ports

• Bottom door lip

Cleaning these components regularly can help eliminate these odors.

Step-by-Step Guide to Cleaning a Smelly Dishwasher

Step 1: Clean the Dishwasher Filter

Dishwashers typically have either manual or self-cleaning filters. Manual filters require regular cleaning:

1. Remove the bottom dishwasher rack to access the filter.

2. Twist out the cylindrical filter and any additional flat filter underneath.

3. Wash the filters with warm, soapy water and use a brush to remove trapped particles.

4. Rinse well, dry thoroughly, and reinstall.

Step 2: Clean Dishwasher Spray Arms

Blocked spray arms can contribute to odors and inefficient cleaning:

1. Remove spray arms from the dishwasher.

2. Rinse under warm, soapy water.

3. Use a toothpick or tweezers to clear clogged spray arm holes.

4. Reattach spray arms securely.

Step 3: Clean the Bottom Door Lip

Residue can easily accumulate along the bottom door lip:

1. Open the dishwasher door completely.

2. Wipe the bottom lip area with a damp microfiber cloth or sponge.

3. Remove any lingering food particles or grime.

Removing Persistent Dishwasher Odors with Vinegar and Baking Soda

If odors persist after cleaning, vinegar and baking soda can help:

1. Fill a dishwasher-safe bowl with 1 cup of distilled white vinegar.

2. Place it on the top rack of an empty dishwasher and run a hot cycle without detergent.

3. After the cycle ends, remove the bowl, sprinkle 1 cup of baking soda at the bottom, and run another hot cycle.

This method neutralizes tough odors and removes grease or mineral buildup.

Safety Note: Avoid Mixing Vinegar and Bleach

Never mix vinegar with chlorine bleach, as it produces dangerous chlorine gas. If you’ve recently used bleach-based products, thoroughly rinse the dishwasher before using vinegar.

How to Prevent Future Dishwasher Odors

Regular maintenance is key to avoiding smelly dishwashers:

• Clean the filter monthly.

• Inspect and clean spray arms and the door lip every few months.

• Use the vinegar and baking soda method occasionally for freshness.

Need Help with House Cleaning?

Maid 4 Cleaning offers professional home cleaning services to keep your kitchen and entire home fresh and clean, giving you more time for what matters most. Call us today at (314) 626-5885 for a free estimate!