![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?auto=webp&s=d61e8573deedfd7880b5375e8f7deef7fb24f4df)
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
![Heritage The Rock Ceramic Zero Cookware Set, Non-Stick, Dishwasher & Oven Safe,White,10-pc | Canadian Tire Heritage The Rock Ceramic Zero Cookware Set, Non-Stick, Dishwasher & Oven Safe,White,10-pc | Canadian Tire](https://media-www.canadiantire.ca/product/living/kitchen/cookware/1429100/heritage-the-rock-ceramic-zero-10-piece-cookset-7b7665f5-ca38-4b27-93ce-28c4a468be74.png)
Heritage The Rock Ceramic Zero Cookware Set, Non-Stick, Dishwasher & Oven Safe,White,10-pc | Canadian Tire
![Starfrit 034707-001-0000 The Rock 10-Piece Cookware Set, Aluminium, Black : Amazon.co.uk: Home & Kitchen Starfrit 034707-001-0000 The Rock 10-Piece Cookware Set, Aluminium, Black : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/6156XJobj0L._AC_UF350,350_QL50_.jpg)
Starfrit 034707-001-0000 The Rock 10-Piece Cookware Set, Aluminium, Black : Amazon.co.uk: Home & Kitchen
![Starfrit 034707-001-0000 The Rock 10-Piece Cookware Set, Aluminium, Black : Amazon.co.uk: Home & Kitchen Starfrit 034707-001-0000 The Rock 10-Piece Cookware Set, Aluminium, Black : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/6156XJobj0L._AC_UF894,1000_QL80_.jpg)