is monster mud weather resistant? what are the downfalls of monster mud?
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best material for cave walls
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waita secound!!!!! so ultracal isn't the same thing that plaster and dentist gypsum??? I've ben using dentist gypsum for mask making cause there is not such thing as ultracal in mexico, I also use rubber cement instead of mask latex but I know the diferences....
can anyone tellme hat is ultracal or what is the diference between the other stuff???
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