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How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Like many homeowners, I've noticed my dishwasher getting dirty quickly, with grease buildup in the filter affecting performance and causing odors. The fix? Regular deep cleaning. Even reliable appliances like dishwashers need maintenance to stay efficient.

Here's a proven, natural method to deep clean your dishwasher in just three easy steps, restoring its shine and effectiveness without harsh chemicals.

The best natural trick to clean a dirty dishwasher quickly. Watch how:

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Contents
  • Step 1: Clean the filter
  • Step 2: Disinfect with white vinegar
  • Step 3: Deodorize with baking soda
  • Result
  • Why clean your dishwasher?
  • How often to clean it
  • Why it works
  • Bonus tip

Step 1: Clean the filter

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Start by emptying the dishwasher completely and removing the bottom rack.

Wear household gloves to scrub the filter thoroughly—it's often the dirtiest part. Remove trapped food, dirt, and debris, including any foreign objects like glass shards or plastic bits that could clog the drain.

If needed, detach the filter and wash it with dish soap and warm water. An old toothbrush works great for stubborn spots.

Inspect the spray arm holes too. If clogged, use a vinegar-dipped toothbrush to clear them. Wipe down seals and joints, then reassemble everything properly.

Step 2: Disinfect with white vinegar

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Pour 200ml of white vinegar into a bowl or tall glass and place it on the top rack.

Run a high-temperature cycle with no dishes. This naturally dissolves grease, eliminates dirt, and banishes musty smells—perfect for degreasing.

Step 3: Deodorize with baking soda

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Sprinkle a large handful of baking soda directly into the bottom of the tub.

Run another short, high-temperature cycle to neutralize odors and lift remaining residue.

Result

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Voilà! Your dishwasher is spotless, odor-free, and performs like new—no effort required.

Dishes come out cleaner, the interior gleams, and there's no residue or smell post-cycle. Skip expensive cleaners like Finish or bleach; this natural approach works wonders.

Why clean your dishwasher?

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Grease, soap scum, and food debris accumulate over time, harboring bacteria and reducing efficiency.

Cleaning the filter improves drainage, boosts performance, saves energy and water, extends appliance life, and protects delicate dishware.

How often should you clean your dishwasher?

Experts recommend cleaning the filter and drain monthly for optimal maintenance.

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps

Why does it work?

White vinegar's acidity dissolves limescale and grease while sanitizing surfaces.

Baking soda neutralizes odors and tackles leftover grime effectively.

Bonus tip

Run these cycles during off-peak hours to cut electricity costs.

How to Deep Clean a Smelly Dishwasher in 3 Simple Steps