<< Subj: What kind of Alum?
Date: 96-07-22 12:09:30 EDT
From: FotoDave@aol.com
Sender: alt-photo-process@cse.unsw.edu.au
Reply-to: alt-photo-process@cse.unsw.edu.au
To: alt-photo-process@cse.unsw.edu.au (Multiple recipients of list)
Could someone tell me whether the alum used in food (pickle) preparation is
Potassium alum or Chrome alum? For some reason I have a lot of those (food
alum) around, so I don't want to buy the same thing again.
>>
I use Chrome Alum. Photographer's Formulary carries it.