--- In Homebrew_PCBs@yahoogroups.com, Les Newell <lesnewell@f...> wrote: > Hi Phil, ... > A teaspoon of > 100volume H2O2 is enough to get it etching well again. If the solution > starts fizzing when you add the H2O2 and has a chlorine smell you have > added too much. > > Les Thanks, Les. Where did you get your H2O2? Phil
Message
Re: advice on CuCl etchant?
2004-09-28 by Phil