Do you mean the dishes that people write on for birthday parties, or just the standard pottery items that you paint and they fure in the kiln? I have always placed the items into the dishwasher that have been fired and placed into the kiln. Not sure about the special birthday plates as they do not go into the kiln after people sign them. As You Wish gives instructions to "set" the signatures with the heat of your oven, but it is low heat. We use the birthday plates to display, have never used them for food, so I've not attempted to wash them.
Yes
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