Wooden utensils, cutting boards, or items with wooden handles can warp, crack, or lose their finish in the dishwasher.
Dishwashers can strip the seasoning from cast iron pans and promote rusting. Hand wash and dry cast iron items promptly.
Harsh dishwasher detergents and high heat can damage the nonstick coating on pans. Hand washing is recommended to prolong the life of nonstick cookware.
Frequent exposure to water, heat, and detergent in the dishwasher can dull and damage the sharp edges of knives. Hand wash and dry knives promptly.
Fine glassware, crystal, or delicate items may be scratched or damaged in the dishwasher. Hand wash to preserve their appearance and longevity.
Aluminum can react with dishwasher detergents, causing discoloration. Hand washing is recommended for aluminum pots and pans.
Not all plastics are dishwasher-safe. Check the manufacturer's instructions, as some plastics may warp or release harmful chemicals in high heat.
Copper pots and pans can tarnish and lose their shine in the dishwasher. Hand washing is gentler on their appearance.
Older or hand-painted dishes may have delicate finishes that can be damaged by the high heat and strong detergents in dishwashers.
Single-use aluminum pans are not designed for repeated exposure to dishwasher cycles. Hand wash them if you plan to reuse them.
Items with springs, like garlic presses or cherry pitters, may not fare well in the dishwasher. Check manufacturer guidelines for specific items.
Items with electronic components, such as blender bases or food processors, should not be submerged in water. Wipe them down with a damp cloth instead.