How to Deodorize Dishwasher with Baking Soda

Your dishwasher, the unsung hero of your kitchen, tirelessly cleans your dishes, but what about its own cleanliness? A smelly dishwasher can affect not just your kitchen ambiance but also the hygiene of your utensils. In this guide, we’ll delve into the art of deodorizing your dishwasher using a household staple – baking soda.

Common Dishwasher Odors

Before we tackle the solution, let’s identify the problem. A foul smell emanating from your dishwasher is not uncommon. It could be a mix of old food particles, grease, and the moist environment – a breeding ground for unpleasant odors.

Causes of Odors

Understanding the root causes is crucial. Often, stagnant water, clogged filters, or even a malfunctioning dishwasher can contribute to the stench. Identifying the source helps in targeted deodorizing.

Why Baking Soda?

Baking soda, the versatile white powder in your pantry, isn’t just for baking. It’s a powerhouse when it comes to absorbing odors. Its natural properties make it an ideal candidate for deodorizing without harsh chemicals.

Steps to Deodorize Dishwasher with Baking Soda

Let’s get hands-on. Deodorizing your dishwasher with baking soda is a simple process. Start by removing any visible debris from the filter. Then, run a hot water cycle with baking soda placed in a dishwasher-safe container on the top rack. This ensures a thorough cleanse, leaving your dishwasher smelling fresh.

Benefits of Using Baking Soda

Apart from being a natural deodorizer, baking soda is eco-friendly and safe. Unlike commercial deodorizers that may leave residues, baking soda is a clean and green solution.

Alternative Methods

While baking soda is our star player, there are other methods worth exploring. Vinegar, lemon, or specialized dishwasher cleaning tablets offer alternatives, each with its unique benefits.

Preventive Measures

To prevent future odors, adopt simple habits like pre-rinsing dishes and leaving the dishwasher door ajar between cycles. These practices minimize moisture and inhibit odor buildup.

DIY Baking Soda Tabs

For a constant burst of freshness, create DIY baking soda tabs. Mix baking soda with water, form small tablets, and let them solidify. Toss one in before a cycle for a continuous deodorizing effect.

How Often Should You Deodorize?

The frequency of deodorizing depends on usage. For heavy usage, a monthly deodorizing routine is recommended, while lighter use may allow for a bi-monthly schedule.

Myths About Dishwasher Odors

Let’s debunk a common myth – a clean dishwasher doesn’t guarantee a fresh smell. Regular deodorizing is essential, irrespective of how spotless your dishes may be.

Maintenance Tips for Dishwasher Longevity

Regular deodorizing is part of overall maintenance. Additionally, clean the filter, wipe down seals, and check for leaks periodically to ensure your dishwasher’s optimal performance.

Real-life Experiences

Jane from Texas shares, “I never knew a simple ingredient like baking soda could transform my dishwasher. No more unpleasant surprises when I open the door!”


In conclusion, maintaining a fresh-smelling dishwasher is as important as clean dishes. Baking soda emerges as a hero in this quest, offering a natural and effective solution. Regular deodorizing not only keeps the stench at bay but also extends the lifespan of your dishwasher.


  1. Is baking soda safe for all dishwasher types?
    • Absolutely! Baking soda is safe for all dishwasher models.
  2. Can I use baking powder instead of baking soda?
    • While similar, baking powder may not be as effective due to added ingredients.
  3. How long does the baking soda freshness last?
    • The effects typically last for a few weeks, depending on usage.
  4. Are commercial dishwasher deodorizers better than baking soda?
    • Baking soda is a natural and cost-effective alternative without harsh chemicals.
  5. Can I use scented baking soda for deodorizing?
    • It’s advisable to use plain baking soda to avoid introducing artificial scents.
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