removing nickel
i have been having trouble removing nickel from aluminum. i do just as the manuel suggests: pickle #3 with the GP plates and the polarity reversed. i use the same current as if i were plating it. the manuel says it should only take 1-5 mins. i leave it in there for a couple of hours and still a good deal of nickel is still left. what gives? are there any tips or tricks i should know.
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