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Microwave Oven Clean: Ultimate Guide to Easy & Efficient Cleaning

November 9, 2023

Discover how to make your microwave oven clean as new with our comprehensive guide. Easy, fast, and safe methods for perfect cleanliness every time!

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A modern kitchen is incomplete without a microwave oven. This versatile appliance has made cooking and reheating food fast and simple, becoming an indispensable part of our everyday lives. As we continually use our microwaves, grime, food splatters and odors can accumulate, potentially compromising the appliance’s performance and our health. This article will guide you on the importance of a healthy, clean microwave oven; familiarize you with different parts of the microwave, and address frequently asked questions like what causes a sealed bag of vegetables to expand when it is heated in a microwave.

Key Takeaways:

  • When you heat a sealed bag of vegetables in a microwave, the water molecules in the vegetables convert into steam, leading to pressure buildup and bag expansion. It’s a fascinating interplay of science and convenience!
  • Factors like moisture content, bag material, and cooking time influence the extent of bag expansion. Manufacturers consider these factors to ensure safe and effective sealed vegetable bags for microwave use.

Importance of a Clean Microwave

A dirty microwave can have a various implications, ranging from health risks to functionality issues. Food particles and spillages left inside can eventually turn into carbon, which can potentially cause arcing within the microwave -aka sparking-, damaging the magnetron and rendering your microwave unsafe to use. Additionally, the grime inside microwave makes it less efficient, having to work harder and consume more energy to heat or cook food properly.

But the importance doesn’t end at functionality. From a health perspective, a dirty microwave can be a breeding ground for bacteria and mold, posing potential food contamination leading to foodborne diseases. Last but not least, a clean microwave is aesthetically pleasing, matching a clean kitchen environment that reflects hygiene and care.

Understanding Your Microwave Oven

Proper cleaning requires an understanding of different parts of your microwave oven. The most common components include the door, control panel, turntable or glass tray, and the cavity. Each part has different materials, meaning they should be cleaned differently to avoid any potential damage.

The cavity, or the interior walls, is often the dirtiest part as this is where food debris and splatters commonly occur, especially when heating liquids or foods without a cover. The door’s inner surface also demands special cleaning care because leaving debris or smears on it can lead to an improper seal of the door, potentially leading to microwave leaks.

Materials used in Microwave Ovens

Knowing the materials used in microwave ovens is equally important in determining the right cleaning methods. Interior walls are typically made of painted metal or stainless steel, which can be cleaned with mild dish soap or baking soda. Glass turntables can be washed like dishware, as they are often dishwasher safe. The plastic components, such as the door and control panel, should be cleaned using a soft cloth to prevent accidental scratches.

Frequency of Cleaning

Understanding how frequently to clean your microwave is crucial to not only the performance but also to prolong the life of the appliance. The cleaning frequency can depend on a variety of factors including how often the microwave is used, what kinds of food are warmed, and whether food is covered during heating. If you use your microwave daily, it’s advisable to clean it at least once a week. However, in case of obvious spillages or splatters, it is best to clean them up immediately to prevent them from getting baked onto the microwave’s interior.

In addition, a thorough detailed cleaning should be done at least once a month, regardless of how often you use the microwave. A monthly deep clean can help maintain the longevity of the microwave and prevent built-up grime, unpleasant odors, and potential arcing.

Pre-Cleaning Preparation

Before diving into the cleaning process, you first need to ensure that your microwave is unplugged for safety precautions. Electrocution can happen if the microwave is still connected to the power source whilst you are cleaning it, especially during the use of liquid cleaning agents. Remove the turntable and the supporting ring underneath (if applicable), as these are easier to clean separately. Wipe away any loose crumbs or debris from the interior walls.

Gather your cleaning materials, which can range from commercial cleaning products or homemade cleaning solutions. Also, prepare a non-abrasive cloth or sponge, along with a bowl if you’re using a steam-cleaning method. Note that the use of abrasive sponges or scouring pads can damage the interior of your microwave over time and should be avoided.

Commercial Cleaning Products

There is a wide range of commercial cleaning products specifically designed for microwave cleaning. These can save time and effort, as they possess strong cleaning properties that can cut through grease and food stains. When using such products, it’s crucial to follow the manufacturer’s directions to prevent any risk of chemical damage or potential health hazards. Despite their swift & effective results, their chemical components might not be suitable for plastic or specific metals, potentially causing discoloration, and they can potentially leave a lingering chemical odor.

Moreover, it is imperative to rinse the surfaces thoroughly after using commercial cleaning products, to ensure no harmful residue remains in your food

Pros and Cons of Commercial Products

While the strengths of commercial cleaning products lie in their quick and powerful cleaning abilities, they also come with some drawbacks. Benefits include saving time and effort, being readily available in most supermarkets, and their wide variety in types and brands. However, the downsides include potential health hazards if not thoroughly rinsed, chemical smells, and possible damage or discoloration to your microwave’s interior if not chosen carefully.

Homemade Cleaning Solutions

Creating your homemade microwave cleaning solution is a great alternative to commercial products. Homemade cleaning solutions are not only cost-effective and readily available but also safer and eco-friendly. A popular alternative is a vinegar or lemon juice and water solution. Both vinegar and lemon are acidic, which helps to loosen up dried food particles.

To prepare a homemade cleaning solution, mix equal parts of vinegar or lemon juice with water. Alternatively, baking soda mixed with water can also be used as a gentle scrubbing solution. Both methods require using a microwave-safe bowl.

Pros and Cons of Homemade Solutions

Homemade microwave cleaning solutions are economical, using ingredients typically found in most households. They are eco-friendly, non-toxic, and safe for all types of microwave interiors. However, they might require a little more elbow grease for removing stubborn stains. Another benefit is the pleasant lemony or neutral smell, in contrast to the often harsh odors of chemical cleaners.

Step-By-Step Cleaning Process

First, fill a microwave-safe bowl halfway with your chosen cleaning solution and put it in the center of the microwave. Turn the microwave on high power for several minutes until the solution boils and condensation forms on the interior surfaces. The steam generated helps to loosen grease and dried food stains.

Once the microwave is turned off, keep the door closed for about 15 minutes to allow the steam to continue working. After that, open the door and carefully remove the bowl with the solution. Wipe down the interior surfaces with a damp cloth. For stubborn spots, use a little baking soda mixed with water to gently scrub the area.

Wash the glass turntable with soap and water and dry thoroughly before replacing it. Lastly, clean the microwave’s exterior with a soft, damp cloth and mild detergent, taking care not to use too much water which might get into the microwave vent.

Dealing with Tough Stains

Tough stains may require a more intensive approach. To deal with these, you might need to use a solution of baking soda mixed with a little water to create a paste. Apply this paste to the stain and let it sit for about 15 minutes. Then, scrub at the stain with a cloth or sponge until it’s removed. If you’re dealing with a tough and stubborn stain, a commercial cleaner may be necessary. However, ensure it’s safe for use in a microwave first.

The key to tackling persisting stains is to act quickly. The longer a stain sets, the harder it becomes to remove. Therefore, even if it’s a small splatter, quick action is beneficial. In some cases, prevention can be the best way to deal with tough stains. Using a microwave cover can help prevent splatters and subsequent staining.

Cleaning Different Types of Microwave Ovens

There are various types of microwave ovens available, and while the general cleaning process remains the same, there may be slight differences based on the specific model type namely, Solo, Grill, and Convection microwave oven.

Solo Microwave Oven: These are basic models used primarily for reheating and simple cooking. Cleaning this type requires a gentle approach. You can use a homemade cleaning solution and a soft cloth to clean the interior and exterior surfaces.

Grill Microwave Oven: These models come with added grilling functionality. When cleaning such models, pay particular attention to the grilling elements that often accumulate grease and burnt food particles.

Convection Microwave Oven: This model acts as a microwave, grill, and oven. Cleaning this variant requires slightly more effort due to the added functionalities. The oven racks or other attachments need to be separately removed and cleaned. Here, you may refer to how to clean convection microwave oven guide for detailed instructions.

Maintenance Tips for a Microwave Oven

Regular maintenance can drastically enhance the lifespan and efficiency of your microwave. A key maintenance tip is to promptly clean any spills or splatters. This prevents the stains from hardening and becoming more difficult to remove.

Using microwave-safe dishes and containers ensures no unwanted reactions or melts occur. Additionally, regular inspection of the door seals, hinges, and latch could help detect any potential problems early. Any unusual noises, sparking, or heating problems should be addressed immediately for the safety and longevity of your appliance.

Harms of Using Abrasives

Abrasive cleaners can cause substantial harm to your microwave. Using materials like steel wool or harsh scrubbing pads can scratch the interior surface of the microwave, causing lasting damage. These abrasive materials can also lead to the formation of minute cracks and crevices that become breeding grounds for bacteria and mold.

Furthermore, it could potentially wear down the protective layers inside the microwave, exposing the underlying materials. Similarly, using sharp tools to remove hardened food particles can lead to scratches and punctures in the oven surface. Therefore, always use gentle, non-abrasive materials for cleaning your microwave.

When a sealed bag of vegetables expands in the microwave, it is due to the water inside the vegetables turning into steam and creating pressure. To prevent this, puncture the bag before heating to release the steam.

Safety Measures After Cleaning

After your microwave oven has been thoroughly cleaned, it’s important to go through a few safety checks. Firstly, ensure that all parts of the microwave, especially the interior, are completely dry. Any residual moisture can adversely affect the functioning of the appliance and even be a potential electrical hazard.

Next, visually inspect all areas you have cleaned to ensure no cleaning residue remains. This is crucial as many cleaning solutions, if left, could potentially contaminate your food or release harmful fumes. Also, check the door seals and the closing mechanism of the door to ensure they are functioning effectively.

Finally, run your microwave without any food for around one minute. This should, in essence, ‘reset’ it after the cleaning process. If you encounter any issues during these safety checks or notice anything unusual, consider seeking professional help.

Professional Cleaning Services

Hiring a professional cleaning service can be beneficial if your microwave oven is exceptionally dirty or if it has been a while since the last thorough clean. Professional cleaners have the necessary expertise and equipment to effectively and efficiently restore your appliance to a near-new condition. They may also be able to offer additional insights into maintenance and care practices that are best suited to your specific microwave model.

When selecting a professional cleaning service, consider several factors like their service cost, reviews, business reputation, and whether they provide a service warranty. These considerations will help you choose a reliable and competent service provider. Note, however, that professional cleaning should ideally only supplement regular cleaning and not replace it.

Eco-Friendly Cleaning

Cleaning your microwave with eco-friendly, non-toxic products is a great way to reduce your environmental footprint. Moreover, these cleaning solutions are safer to use, as they don’t release any harmful fumes or leave harmful residues that could potentially contaminate your food.

Homemade cleaning solutions using natural ingredients like lemon, vinegar, and baking soda can be equally effective as commercial cleaning products. For example, check out this guide on how to clean microwave oven with lemon juice.

Also, consider using biodegradable cleaning tools, such as plant-based sponges or scrub brushes. When disposing of any cleaning waste, use environmentally friendly methods as far as possible. Maintaining a sustainable approach not only benefits the environment, but it also keeps your microwave and your kitchen clean and healthy.

Cleaning vs. Replacing

Over time, your microwave oven could experience performance issues or internal problems that a simple clean cannot fix. In these situations, it’s essential to make a choice between cleaning, repair, or replacement. Often, if the microwave is old or frequently malfunctioning, replacement might be the more cost-efficient option. However, if your microwave is relatively new or the issue is minor, a professional repair or maybe even a deep cleaning could be enough to restore its function.

Keep in mind the cost implications of each choice and the environmental impact of disposing an old microwave, especially if it’s still salvageable. However, if you decide to replace your appliance, remember to responsibly dispose of the old one, preferably by recycling.

Frequently Asked Questions

Cleaning a microwave might bring up several questions, especially if you’re attempting a deep-clean for the first time or dealing with stubborn stains or smells. Addressing these questions not only makes the cleaning process smoother, but it could also inform you about better practices to maintain your microwave’s hygiene. Use credible sources or professional advice for accurate information and, remember, every microwave is unique and might require slightly different care.

See below some of the most commonly asked questions about cleaning microwaves, from determining the right cleaning schedule to making homemade cleaning solutions to dealing with common problems post-cleaning.

How Clean Does Your Microwave Need to Be?

Ensuring your microwave is clean is not just about maintaining its appearance, but also about securing its functionality and the safety of your food. However, it’s worth noting there’s a difference between having a well-maintained, clean microwave and aiming for unrealistic, showroom-type cleanliness.

Always aim to immediately clean up obvious messes, prevent spillages, and maintain a regular cleaning schedule. However, don’t be overly concerned about small stains or discolorations that don’t impact the microwave’s performance or hygiene. Striking a balance between maintaining your appliance and understanding its frequent use can lead to practical and accessible cleanliness standards.

Accessibility and Storage

The location of your microwave can significantly impact the ease of its cleaning process. Having it at an eye level where it’s easy to see inside or at a convenient height for reaching all corners can make the task a lot simpler. Ideally, the microwave should be in an accessible position not just for daily use, but also for regular maintenance and deep cleaning.

Regular cleaning of your microwave oven would require some essential tools and solutions, whether homemade or commercial. Efficient storage of these items is key to making the cleaning process smooth and hassle-free. It’s recommended to keep your cleaning supplies within reach of the kitchen or in a dedicated storage space for cleaning tools. Proper storage not only allows for quick access when needed but also helps maintain the effectiveness of the products.


Regular cleaning and maintenance of your microwave oven can greatly enhance its performance, longevity and ensure the hygiene of your food. Using both commercial and homemade cleaning solutions can effectively keep your appliance clean. It’s important to consider the right cleaning frequency, process, and also understand the balance between cleaning vs. replacing.

While this guide provides comprehensive information on keeping your microwave clean, it’s always essential to refer to your microwave’s manual or manufacturer’s guidelines for accurate information. A clean microwave not only leads to better cooking results but also contributes to a healthier and safer kitchen environment.

Using safe and eco-friendly cleaning solutions not only maintains the quality and longevity of your microwave oven but also reduces harmful impacts on the environment. Remember to strive for a practical level of cleanliness, maintain a regular cleaning schedule, and store your cleaning supplies appropriately.

Keeping a microwave clean is an easy but critical task that every homeowner can manage. With proper care, your microwave can continue to serve you efficiently for many years. Now it’s time to take a fresh look at your microwave and invest some time in its cleanliness. You’ll surely appreciate the results!