![Black residue on eggs and after washing The Rock pans. Have owned for less than a year. Is this the coating? I have never put in dishwasher or used metal utensils. Wash Black residue on eggs and after washing The Rock pans. Have owned for less than a year. Is this the coating? I have never put in dishwasher or used metal utensils. Wash](https://preview.redd.it/mubh70bqdes91.jpg?width=640&crop=smart&auto=webp&s=90b36a3f5a43f252645b8744f169192ae4ff3bb0)
Black residue on eggs and after washing The Rock pans. Have owned for less than a year. Is this the coating? I have never put in dishwasher or used metal utensils. Wash
![seasoning pans - hardened residue after high heat cooking (carbon steel and cast iron) - Seasoned Advice seasoning pans - hardened residue after high heat cooking (carbon steel and cast iron) - Seasoned Advice](https://i.stack.imgur.com/4QJTD.jpg)
seasoning pans - hardened residue after high heat cooking (carbon steel and cast iron) - Seasoned Advice
![Cleaning my cast iron. Dry it off with paper towel and it turns black while my pan turns grey? : r/castiron Cleaning my cast iron. Dry it off with paper towel and it turns black while my pan turns grey? : r/castiron](https://preview.redd.it/0q7r1o7tn9az.jpg?auto=webp&s=13b351de9e6eb478bf64b1c7ca90586c6778604f)