Cast-iron pans are extremely durable, but the dishwasher is one place they do not belong. ShopDishwashers
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The issue is not that the iron itself is fragile. The problem is the seasoning. A properly seasoned cast-iron pan has a thin layer of polymerized oil bonded to its surface. This layer helps reduce sticking and protects the metal from rust.
Dishwasher detergent, prolonged moisture, and high heat can strip away that protective layer. Once the bare iron is exposed, rust can form quickly.
How to Clean Cast IronWash the
