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

in the filter or drain components.

Remove paper labels and as much adhesive as possible before placing reusable containers in the dishwasher. Confirm that the container itself is dishwasher-safe. ShopDishwashers

Hand-Painted Mugs and Ceramics

Personalized mugs and hand-painted ceramics may fade or lose their decorative finishes over time. Some designs are applied over the glaze and may not tolerate strong detergent or repeated high heat.

If the artwork is handmade, sentimental, or not clearly labeled dishwasher-safe, hand washing is usually the safer choice.

Antique and Heirloom Pieces

If a plate,