Larry Caldwell
Super Member
My sweet pickle recipe ferments the cukes for 7-10 days, then soaks them 24 hours in an alum solution before rinsing the crock and proceeding with the syrup. The alum makes the pickles crispy, but you don't want to consume a whole lot of it.
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Get the Facts About Alum and How It's Used in Everyday Life
Find out what alum is and the uses in households and industrial situations, along with a look the different types of alum and whether they are safe.