![I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do](https://preview.redd.it/omkr9m7r1ld01.jpg?width=640&crop=smart&auto=webp&s=78cf0b4e014d28417e156ba1ef725fd743a98b87)
I feel like this is a good one. I put this ceramic mug in the microwave sometimes and overtime this black sludge appears in the outside? What is it and why do
![Is ceramic microwave safe? How to check if a ceramic dish can go in the microwave? - Cupstograms.net Is ceramic microwave safe? How to check if a ceramic dish can go in the microwave? - Cupstograms.net](https://cupstograms.net/wp-content/uploads/2023/01/KC-12-1.jpg)
Is ceramic microwave safe? How to check if a ceramic dish can go in the microwave? - Cupstograms.net
![Can You Put Ceramics In The Microwave? | Kitchnedo | Kitchnedo - Professional Informational Platform Can You Put Ceramics In The Microwave? | Kitchnedo | Kitchnedo - Professional Informational Platform](https://kitchnedo.com/wp-content/uploads/how-to-safely-put-ceramic-in-the-microwave-.jpg)
Can You Put Ceramics In The Microwave? | Kitchnedo | Kitchnedo - Professional Informational Platform
![Is ceramic microwave safe? How to check if a ceramic dish can go in the microwave? - Cupstograms.net Is ceramic microwave safe? How to check if a ceramic dish can go in the microwave? - Cupstograms.net](https://cupstograms.net/wp-content/uploads/2023/01/KC-8-4.jpg)