Re: What kind of Alum?

Maxim M. Muir (mdmuir@nfinity.com)
Mon, 22 Jul 1996 17:48:31 -0500

>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.
>
>Thanks.

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

Maxim M. Muir