Exterminating Bugs From A Microwave

Have you ever gotten a roach or any other type of bug inside the workings of your microwave and didn't know what to do? Well I found out an easy way to kill anything crawling around in there.


I had one get inside mine. I know this sounds awful, and I'm not a dirty person, but in some areas you just can't get away from them, you just have to do what you can to keep them under control. Anyway, I knew he was in there because I could see him crawling around the LED light where the clock is. I refused to use it and was going to toss the whole machine even though we had only had it a week or so.

But instead I came up with something to try. First I unplugged mine and removed everything removable (those I ran through the dishwasher), and then I took a bug bomb and set it inside. Before I turned it on tho, I took a good sturdy trash bag (the big black kind) and put the microwave inside it and got it ready to be tied closed. Then I put all that inside another big black bag just to be sure it was enclosed good. Then I reached in and quickly turned the bug bomb on and closed the microwave door, then quickly tied each bag up good. I let this sit for 24 hours before opening the bag.


Once I opened it and took the microwave out and tossed the bags and the can in the trash outside, I left the microwave sitting with the door open for 12 hours. Then I took hot hot soapy water and washed it down good inside and out. I let it completely dry for 4 hours before plugging it in again. Then I took a large plastic bowl and filled it with water and put it in the microwave and cooked it to a boil. I brought that out, put fresh water in the bowl and did it again. I did this 5 times each time using fresh water.

I did this 2 years ago and have been using the microwave ever since and never had another problem.

By Cricket from Parkton, NC

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July 3, 20091 found this helpful

I agree with you. Sometimes as clean as we are, we can't prevent infestations!


I live in the country, and bugs of all kinds are present, inside and out. I am glad to know of a way to treat appliances if needed!

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October 19, 20170 found this helpful

I had been seeing, sometimes two at a time, roaches in the display of the microwave. I went a different route for exterminating. I used duct tape to cover every vent, inside and outside, of the microwave and left it unplugged for 3 or 4 days. This left what appears to be some fecal matter showing in the display but I haven't seen any sign of life since then.

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March 21, 20180 found this helpful

I live in rural Queensland Australia and have roach problems constantly. I have also had instances where I have seen the little buggers inside my micro wave.


I am going to try your idea as I am always wonder if I am contaminating things when I use my microwave. Thanks for the great Idea.

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April 14, 20180 found this helpful

I had roaches and sprayed rubbing alcohol in all the vents! Should I do the same thing?

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September 3, 20180 found this helpful

you should of just went to Walmart got the same microwave then take the other one back.or trash it

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