8 Things You Should Never Put in the Dishwasher (And Why)

Hand wash valuable, antique, or sentimental objects.

    Keep sharp chef’s knives out of the dishwasher.

    Never place seasoned cast iron in the dishwasher.

    Protect wood from prolonged heat and moisture.

    Wash delicate crystal and decorated china separately by hand.

    Check plastic products for dishwasher-safe labeling.

    Follow “top rack only” instructions.

    Remove loose paper labels before washing containers.

    Do not

    overcrowd the racks.

    Make sure the spray arms can rotate freely.