By "Fresh" I meant how long since you'd mixed them. As for amount, I mixed up four liters of etchant and just keep reusing it :-)
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Re: [Homebrew_PCBs] Etching Problem
2010-03-18 by DJ Delorie
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Message
2010-03-18 by DJ Delorie
By "Fresh" I meant how long since you'd mixed them. As for amount, I mixed up four liters of etchant and just keep reusing it :-)