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How to sanitize microwave interior: Step-by-Step

Reviewed by Zac Kieffer

Updated: September 16, 2025

Easily sanitize your microwave interior with E-Cloth. Simple, chemical-free cleaning for a spotless, hygienic microwave every time.

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How to sanitize microwave interior: Step-by-Step

Tools:

E-Cloth
Microwave-safe bowl
White vinegar
Water
Paper towel

Step One: Steam It Clean

Mix 1 cup of water with 1/4 cup vinegar in a microwave-safe bowl.
Place the bowl in the microwave and run on high for 5 minutes to create steam that loosens grime.

Step Two: Let It Cool

Allow the microwave to sit for about 3 minutes with the door closed so the steam continues working on any stuck-on residue.

Step Three: Wipe Down the Interior

Carefully remove the bowl (it will be hot!).
Using a clean, damp cloth or paper towel, wipe the interior thoroughly, focusing on corners and the turntable area.

Step Four: Address Stubborn Spots

If any spots remain, dampen your cloth with a little extra vinegar and give them a good wipe.
Finish by ensuring all surfaces are dry and ready for your next use.

Precautions:

Unplug the Microwave for Safety

Always unplug the microwave before cleaning to prevent any risk of electric shock.

Select Mild, Food-Safe Cleaners

Opt for mild cleaning agents that won't leave toxic residues or damage the interior surfaces.

Avoid Harsh Chemicals

Steer clear of abrasive or corrosive chemicals that can degrade plastic and metal parts.

Don’t Mix Different Cleaning Solutions

Mixing various chemicals can trigger dangerous reactions—stick to one approved cleaner at a time.

Ventilate Your Space

Ensure the area is well-ventilated to safely disperse any fumes from the cleaning solutions.

Remove Food Debris First

Clear out any leftover food particles to prevent interference with the sanitizing process.

Consult the Manufacturer’s Guidelines

Follow your microwave’s manual recommendations to avoid voiding warranties or causing damage.

How to Correctly Sanitize The Microwave interior: Extra Tips

Pre-Clean with a Damp Cloth

Remove loose food particles. Wipe the walls, floor, and ceiling with a damp cloth before any deeper cleaning.
Protect surfaces. This initial wipe helps avoid pushing crumbs and spills into crevices.

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Steam Clean with Vinegar and Water

Mix equal parts vinegar and water. Pour the solution into a microwave-safe bowl.
Heat to create steam. Run the microwave for 5 minutes; the steam loosens grime and neutralizes odors.

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Scrub with Baking Soda Paste

Make a paste. Combine baking soda with a small amount of water to form a spreadable mixture.
Target stubborn stains. Apply the paste to difficult spots inside the microwave and gently scrub with a soft cloth.

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Final Wipe Down with Soap and Water

Mix mild dish soap with warm water. Use this solution to meticulously wipe all surfaces.
Ensure a thorough clean. Follow by drying with a clean towel to prevent moisture build-up and food residue return.

Common Mistakes When Sanitizing Microwave interior

Overusing Harsh Chemicals

Excessive or improper cleaning agents can cause damage to the microwave’s interior surfaces.
They might leave behind harmful residues or even degrade the protective coating.
Stick to mild detergents and warm water to keep your microwave safe and effective.

Not Unplugging the Appliance

Forgetting to unplug the microwave before cleaning increases risk of accidental start-up.
This oversight can lead to electrical shocks or damage if cleaning fluid comes into contact with internal parts.
Always unplug your microwave before you begin cleaning for total safety.

Using the Wrong Cleaning Tools

Abrasive sponges or harsh scrubbing pads can scratch the interior surfaces.
Improper tools may trap residue or smells which instead of cleaning, worsen the microwave’s condition over time.
Opt for soft cloths or non-abrasive sponges to ensure thorough cleaning without any damage.

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How Often to Sanitize Microwave interior

Recommended Frequency: Weekly

Weekly Sanitization: For most households, a once‐a‐week sanitization of your microwave interior is sufficient. This interval prevents the build-up of food residues, grease, and bacteria that can compromise both odor and food safety.
Spot-Check for Spills: In cases where splatters or spills occur regularly, it's wise to address them immediately. However, even if you spot-clean daily, a full sanitization once a week ensures deep cleaning and maintained hygiene.
Balanced Approach: Weekly cleaning strikes the right balance—it's frequent enough to keep your microwave sanitary and efficient, yet not overly burdensome for everyday routines. This method helps mitigate long-term health risks and unpleasant odors.

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