In a message dated 4/7/2004 7:26:25 AM Central Standard Time, stefan_trethan@... writes: i know it is added in some drink, like cola Only a FRACTION of 1% ! ! ! [Non-text portions of this message have been removed]
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Re: [Homebrew_PCBs] Phosphoric Acid Etch
2004-04-08 by JanRwl@AOL.COM