Re: What kind of Alum?

FotoDave@aol.com
Tue, 23 Jul 1996 10:58:06 -0400

In a message dated 96-07-22 19:21:08 EDT, you write:

<< I believe alum in grocery stores is ammmonium aluminum sulfate. It
definitely is not chrome alum, and it is cheaper than potassium alum.
>>

Can it be used to size paper for gum printing? I have used it for many years
to size the rice paper I use in Chinese painting.