The Ultimate Guide to a Dishwasher Deep Clean: Make Your Appliance Sparkle Again

When was the last time you gave your dishwasher a good scrub? Most homeowners rely on this hardworking appliance daily, but few realize how much grime, grease, and gunk can build up inside over time. That’s why performing a regular dishwasher deep clean is crucial—not just for clean dishes but for the health and efficiency of your machine.


At Top Tier Cleaners, we believe a clean home starts with the appliances you use every day. In this blog, we’ll guide you step-by-step through how to give your dishwasher the spa day it deserves and explain why this simple maintenance task can save you time, money, and stress. Why You Should Prioritize a Dishwasher Deep Clean Dishwashers are designed to clean, but they’re not self-cleaning. Over time, soap scum, food particles, and hard water minerals accumulate inside, affecting your appliance’s performance. Here are a few benefits of regular deep cleaning: Boosted Performance: Your dishwasher cleans better when internal parts like the spray arms and filters are free of obstructions. Odor Control: Say goodbye to musty smells and lingering food odors. Energy Efficiency: A clean dishwasher uses less water and power. Extended Lifespan: Proper care can add years to your dishwasher’s life. Let’s break down how to tackle a dishwasher deep clean the right way. Supplies You’ll Need for the Job Before you begin, gather these supplies

White vinegar Baking soda Dish soap A toothbrush or small cleaning brush Sponge or microfiber cloth Rubber gloves (optional) Dishwasher-safe bowl or measuring cup If you prefer, commercial dishwasher cleaners can also be used, but natural solutions like vinegar and baking soda are highly effective and eco-friendly. Step-by-Step Dishwasher Deep Clean Process

1. Empty the Dishwasher Completely Before starting, make sure the dishwasher is empty. Remove all dishes, utensils, and detachable racks or trays if your model allows it.

2. Clean the Filter Most dishwashers have a removable filter located at the bottom. Unscrew or pop it out and rinse it under warm water. Use a toothbrush to scrub away any built-up debris or grime. This step is essential to avoid clogs and ensure good water flow.

3. Check and Clean the Spray Arms Spray arms distribute water during a wash cycle. If holes are clogged with food or mineral deposits, use a toothpick or soft wire to remove the blockages. Rinse under running water and reinstall.

4. Wipe Down the Gasket and Door Edges Food particles and mildew often hide around the door seal. Wipe it down with a vinegar-soaked cloth and use a toothbrush for tight corners. This helps prevent odors and potential leaks.

5. Run a Vinegar Wash Place a dishwasher-safe bowl filled with 2 cups of white vinegar on the top rack. Run a hot water cycle (without detergent). This helps dissolve grease, sanitize the interior, and eliminate odors.

6. Deodorize with Baking Soda After the vinegar cycle, sprinkle 1 cup of baking soda across the bottom of the dishwasher. Run a short, hot cycle. This neutralizes odors and leaves your appliance fresh.

Pro Tip from Top Tier Cleaners: You can use essential oils like lemon or eucalyptus in combination with vinegar to leave behind a pleasant scent. How Often Should You Perform a Dishwasher Deep Clean? Daily: Wipe the door seal and remove leftover food before starting a cycle. Weekly: Rinse the filter and check spray arms. Monthly: Perform a full dishwasher deep clean using the method outlined above. Quarterly: Inspect hoses and internal components, or schedule a professional appliance cleaning. Common Dishwasher Cleaning Mistakes to Avoid To get the best results, make sure to avoid these common mistakes: Using bleach in stainless steel dishwashers – It can damage the interior and void warranties. Neglecting the filter – A clogged filter is one of the top causes of poor performance. Mixing baking soda and vinegar at once – Let vinegar complete its cycle before using baking soda. Using regular dish soap – It produces too many suds and can damage the machine. Troubleshooting: When a Dishwasher Deep Clean Isn’t Enough Even after a deep clean, some dishwashers may continue to underperform. Here's what to look out for:

Dishes Still Dirty? Check for blocked spray arms, a malfunctioning detergent dispenser, or a failing heating element.

Persistent Odors? It might be mold in hard-to-reach areas. Pull out the bottom tray and clean the base of the tub thoroughly.

Standing Water? The drain might be blocked, or the pump could be malfunctioning. Try manually draining and cleaning the sump. If these issues persist, it may be time to call in professionals like the team at Top Tier Cleaners. We offer comprehensive appliance cleaning services to restore your dishwasher's full potential. Additional Tips for Dishwasher Maintenance Use rinse aid to reduce spotting and improve drying. Don’t overcrowd the dishwasher—leave space between items. Use hot water cycles occasionally to help break down grease. Alternate detergents if you notice film or streaks on your dishes. Conclusion A clean dishwasher equals cleaner dishes and a healthier kitchen. By incorporating a regular dishwasher deep clean into your home routine, you can boost performance, improve hygiene, and avoid costly repairs. If life is too hectic or your dishwasher needs more than just a DIY scrub, let Top Tier Cleaners do the heavy lifting. Our professional cleaners are trained to tackle grime in every corner of your home—including your hardest-working appliances. FAQs

How long does a dishwasher deep clean take? Typically, 30 to 45 minutes when done manually. Commercial cleaners may take 1 full cycle.

Can I use lemon juice instead of vinegar? Yes! Lemon juice is a great natural alternative with a refreshing scent, though it may not cut grease as effectively as vinegar.

Is baking soda safe for all dishwashers? Absolutely. It’s a gentle, natural deodorizer and safe for stainless steel interiors.

Do professional cleaning services include appliances?
At Top Tier Cleaners, yes! Our deep cleaning services cover appliances like ovens, microwaves, and dishwashers.

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