glass, or other item has sentimental or monetary value and you are unsure how it was made, wash it by hand.
Older pieces may contain delicate glazes, adhesives, hand-painted decoration, or materials that were never tested for modern dishwasher conditions.
Dishwashers
Why Dishwashers Can Be Harsh
A dishwasher does much more than spray warm water. During a typical cycle, dishes may be exposed to:
Strong alkaline detergent
Pressurized water jets
Hot wash and rinse water
Extended moisture exposure
Heated drying
This combination is effective for durable ceramic plates, stainless-steel cutlery, and dishwasher-safe glassware. Delicate materials, natural finishes, adhesives, and some
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