[Jewelry making - Article 00286] - Re: [Orchid] Alum pickle

[david thorp]

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    One thing I must mention for those thinking of switching to Alum for
    pickle, I would not recommend leaving soldered pieces in it
    overnight.  The reason for this is that if your metal was in any way
    greasy or dirty when you soldered it, the alum will have a tendency
    to eat separate the solder from the joint!  And while this is a
    tribute to the cleaning power of alum, it's a thing to keep in the
    back of your mind.  I also don't usually quench in it, and I've
    never had a joint fall apart from being in the pickle for a couple
    of hours. 

--- david  thorp
--- daveshroom AT earthlink.net 


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