--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
<snip>
>
> it is no longer used, i made a better tank soon after taking the
photos.
> Maybe one day i make photos of that one.
>
> It is glued with RTV, works great for glass and holds up in CuCl
without
> problems. I used huge double seams for that first tank, much less
is
> sufficient.
>
> I use CuCl, yes.
>
> ST
>
Another question on your setup - It appears that the two tubes
attached to the air pump provide a supply and a return for the air
pumped into the etch tank. Is that the case? If so, is there any
special type of pump required to stand up to the etchant fumes in
the return air?
Regards, Bob