![I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF](https://external-preview.redd.it/rfTpC9KwPN3rrvuA1WTpvpGt_O1gRab87HD1PGa78Hg.jpg?auto=webp&s=233f7c4a7d5d43f65b55955599317aa8a8da9c32)
I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF
![I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF](http://i.imgur.com/LPk2wCD.jpg)
I'm visiting my family for a week. They use this microwave every day and don't see any problem with it. The black stuff in the back is mold. : r/WTF
![Went to visit my parents, this is their microwave. Full of old food, mold, and even dead bugs, yet they would not accept my offer to buy them a new one. : Went to visit my parents, this is their microwave. Full of old food, mold, and even dead bugs, yet they would not accept my offer to buy them a new one. :](https://preview.redd.it/rrbdkdbfsj481.jpg?width=640&crop=smart&auto=webp&s=585d09ee69afc8e992f469fa9805e34b876a44e8)