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Hi All, I have just finished making over 200# of plaster molds for our local Art Center and have come up with a few questions. This is not my first time to make , but with the quantity I made, I seemed to have a variety of different â€˜problemsâ€™. I actually only â€˜lostâ€™ about 5 pieces of 50, so I feel quite successful as I do not work with plaster that often. With your help, perhaps what I perceived as â€˜problemsâ€™ will not repeat in future mold attempts. For my molds I used new pottery plaster. I weighed out my water and pottery plaster, as directed with my molds, to the ratio of