--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
>
> On Tue, 03 Jan 2006 20:06:54 +0100, Bruno St-Laurent <bsl88k@n...>
> wrote:
>
> >
> >
> > Thanks a lot for all these info !!!!, right now mine is bright
clear
> >
> > green but etch really slowly, so i'll get H2O2 30% !!!!
> >
> >
> > Thanks
> >
> >
> > Bruno
> >
>
>
> As long as there is not enough cucl in the tank even when bright
green it
> will not etch well. But it will etch, very slowly, until it gets
darker,
> which might be before the board is finished ;-).
>
> ST
>
Stefan about the H2O2 30% , you really mean 30% not volume 30 ????
cause today i found H2O2 volume 30, it's only 9%!!!!!
Bruno