![Camco Life is Better at the Campsite Speckled Mug | Microwave and Dishwasher Safe | Ceramic, Red (53235) - Walmart.com Camco Life is Better at the Campsite Speckled Mug | Microwave and Dishwasher Safe | Ceramic, Red (53235) - Walmart.com](https://i5.walmartimages.com/asr/9dfea3c6-bcdc-4d84-b356-13fe3b1b4bfe.246873b2866214e999c47f2796cbee89.jpeg)
Camco Life is Better at the Campsite Speckled Mug | Microwave and Dishwasher Safe | Ceramic, Red (53235) - Walmart.com
![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?auto=webp&s=5b4fab7ea6f97c9b65983ebbbb4038008faa7ac2)
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
![Amazon.com | Sistema Microwave Soup Mug with Lid and Steam Release Vent, Dishwasher Safe, 22.1-Ounce, Red: Klip It: Coffee Cups & Mugs Amazon.com | Sistema Microwave Soup Mug with Lid and Steam Release Vent, Dishwasher Safe, 22.1-Ounce, Red: Klip It: Coffee Cups & Mugs](https://m.media-amazon.com/images/I/812Uje-OGlL.jpg)