What can I add to gypsum to make drywall "mud"? I have a whole bag of gypsum for my garden, is that the same type to make "mud"? Also, is tape need to use mud? And what is the dry time on something like that? I'm looking to fix various nail holes before painting and this atrosity .
The compound is a complex combination often including water, limestone, expanded perlite, ethylene-vinyl acetate polymer, attapulgite, and other ingredients, this was from online , but it answers the question of what's it made of.