How to Clean Your Dishwasher and Run a Cleaning Cycle

TL;DR:

  • Remove food debris and clean the filter monthly.
  • Run a vinegar cycle to break down grease and odors.
  • Deodorize with baking soda for a fresh, sparkling finish.
  • Don’t forget to clean spray arms and seals for peak performance.

Why Your Dishwasher Needs Cleaning

It might seem like your dishwasher should stay clean on its own, but it’s actually a magnet for grease, soap scum, and leftover food. If left unchecked, this buildup can reduce performance, cause foul smells, and even leave your dishes looking worse after a wash. The good news? Deep cleaning your dishwasher is quick, easy, and totally worth it.

What You’ll Need

  • Toothbrush or small cleaning brush
  • White vinegar
  • Baking soda
  • Microfiber cloth
  • Toothpick or similar tool
  • Rubber gloves
  • Dishwasher-safe cleaning solution (optional)

Step-by-Step: How to Deep Clean Your Dishwasher

Step 1: Empty the Dishwasher

  • Take out all dishes, utensils, and removable racks.
  • Wipe away any visible food particles or residue inside.

Step 2: Clean the Filter

  • Locate the filter (usually on the floor of the dishwasher).
  • Remove it and rinse under warm water.
  • Use a toothbrush to scrub away grease or stuck-on grime.
  • Soak it in warm soapy water if heavily soiled, then rinse and reinstall.

Step 3: Clean the Spray Arms

  • Detach the spray arms if possible.
  • Use a toothpick to clear clogged holes.
  • Rinse under warm water and reattach securely.

Step 4: Scrub Interior Surfaces

  • Dip a toothbrush in vinegar and scrub the rubber seals and door edges.
  • Wipe down the interior with a damp microfiber cloth.
  • Remove any debris near the drain at the bottom of the dishwasher.

Step 5: Run a Vinegar Cycle

Place a dishwasher-safe bowl with 1 cup of white vinegar on the top rack. Run a full cycle using hot water. This breaks down grease, grime, and lingering odors naturally.

Step 6: Deodorize with Baking Soda

Sprinkle 1 cup of baking soda across the bottom of the dishwasher and run a short hot water cycle. It will freshen the interior and help remove stains.

Step 7: Clean the Exterior

  • Wipe the door and buttons with a damp cloth and mild soap.
  • For stainless steel finishes, use a vinegar-water mix or stainless steel cleaner.
  • Dry with a microfiber cloth to remove streaks.

Pro Tips for Dishwasher Maintenance

  • Rinse lightly, not fully: Scrape off food but leave some residue—modern dishwashers clean better that way.
  • Clean the filter monthly: It prevents buildup and keeps your machine efficient.
  • Leave the door open after each cycle: This helps the interior dry and reduces mold risk.
  • Use a dishwasher cleaner: Run one every 2–3 months for deep maintenance.

FAQs About Cleaning Dishwashers

How often should I clean my dishwasher?

Give it a deep clean every 1–2 months and wipe down seals or filters more regularly.

Can I use bleach to clean my dishwasher?

Only if your dishwasher doesn’t have a stainless steel interior. Vinegar and baking soda are safer, eco-friendly options.

Why does my dishwasher smell bad?

Food debris and grease can rot or grow bacteria over time. Cleaning the filter and running vinegar cycles will fix it fast.

Do commercial dishwasher cleaners work?

Yes, they're effective for occasional deep cleaning—just follow the label directions.

Feeling Overwhelmed? We’ve Got You Covered!

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