"Leon Heller" <leon355@...> writes: > > The FeCl etchant can be rejeuvenated with a little Hydrochloric acid; > > eventually it also becomes CuCl etchant. > > + H2O2, otherwise it will be cuprous chloride which doesn't etch. What happens if you dump spent FeCl etchant into a CuCl ethant bath?
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Re: [Homebrew_PCBs] How to dispose of etchant?
2010-01-05 by DJ Delorie