What Metals Should You Never Put in the Dishwasher?

Discover which metals like cast iron, aluminum, copper, and non-stick cookware should never go in the dishwasher to avoid damage and maintain their quality.

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Metals such as cast iron, aluminum, copper, and non-stick cookware should not be put in the dishwasher. Cast iron can rust, aluminum and copper can discolor and lose their shine, and non-stick cookware may have its coating damaged. To maintain these items in good condition, it’s best to wash them by hand using mild soap and a sponge.

FAQs & Answers

  1. Why shouldn't cast iron be washed in the dishwasher? Cast iron can rust when exposed to the dishwasher's harsh environment, which causes it to deteriorate over time.
  2. Can aluminum and copper be damaged in the dishwasher? Yes, aluminum and copper can discolor and lose their shine due to the detergents and high heat inside a dishwasher.
  3. How should non-stick cookware be cleaned? Non-stick cookware should be washed by hand with mild soap and a sponge to avoid damaging the coating.
  4. Are there any metals safe to put in the dishwasher? Stainless steel is generally safe to put in the dishwasher, but it’s important to check manufacturer guidelines for specific cookware.

Watch More

For more helpful kitchen care tips, check out our guides on cleaning stainless steel cookware, maintaining wooden utensils, and choosing the best dishwasher detergents to keep your kitchenware in top condition.

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