What kind of Alum?

FotoDave@aol.com
Mon, 22 Jul 1996 11:37:20 -0400

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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.

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