On 11/02/2013 13:06, Rick Sparber wrote: > I have been using the same ferric chloride for a while and it still does a > fine job of etching my boards. But it has become darker and I see some > precipitates forming. Does it just need a little water? A little hydrochloric acid should remove the sludge. Leon -- Leon Heller G1HSM
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Re: [Homebrew_PCBs] ferric chloride question
2013-02-11 by Leon Heller