In a message dated 9/25/02 9:38:16 AM, bkramer@srvusd.k12.ca.us writes:
<< What exactly IS "alum"? Toodles....Bunki >>
Alum is a powder form of aluminum sulfate crystals which causes a chemical
bond between paint and paper or fabric. You can buy it at an art supply store
or through a vendor such as NASCO.