18 Things You Should Never Put in the Dishwasher (Even If You’re Tempted)

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cause cuts.

Wash knives carefully and dry them immediately.

## 6. Nonstick Pans Unless Clearly Dishwasher-Safe

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Some modern nonstick cookware is labeled dishwasher-safe, but frequent dishwasher cleaning may still shorten the life of certain coatings.

High heat and strong detergent can gradually degrade the surface.

If the manufacturer recommends hand washing, follow that advice.

A soft sponge and mild dish soap are usually enough.

## 7. Copper  Cookware

Dishwashers

Copper pots and pans can lose their shine in the  dishwasher.

Strong detergents may cause discoloration, spotting, and dullness.

Polished or decorative copper usually looks better for longer when cleaned gently by hand.

## 8. Aluminum Items

Some aluminum  cookware can become dark, dull, or stained after dishwasher washing.

Uncoated aluminum is particularly vulnerable to alkaline dishwasher detergents.

Check the manufacturer’s instructions before putting aluminum pieces inside.

 

## 9. Antique or Hand-Painted China

Delicate china, especially older pieces, often has decorations that are