Those tanks are actually molded from two peices and
glued together. I have had several over the years.
Some HAVE leaked at the glue seam. Now I am using
an acid based etchant the latest tank I have is
developing crazing and slow leaks in the walls.
I do store it ALL in a large HDPE box though so
leaks are not catastrphic.
--- In
Homebrew_PCBs@yahoogroups.com, Markus Zingg <homebrew-
pcb@...> wrote:
>
> Dave,
>
> Just my 2¢, but that web-tronics offer seems fairly good to me.
Not only
> is it a molded tank (and as such definately never leaking), but
made for
> the purpose including hangers pump etc. I mean, even if you put
your own
> etching system together, you are likely to spend a similar amout
of
> money let alone the time you need to get the different parts etc.
>
> The reason I see why one makes his own tank could be lead and
delivery
> time to get said tank though :-) I also made my own tanks over
time, but
> I must say I'm really impressed by this offer.
>
> Again, just my 2¢ here....
>
> Markus
>
> Dave schrieb:
> >
> > Is there some simple but professional plans to build an etchant
tank? I
> > mean with heater and agitation, not just a jar and manual
labor:) Or is
> > one available that is professional but not too pricey? I seen
one for
> > $50 and I bookmarked it. http://www.web-tronics.com/
lowcosetsysw.html
> > <http://www.web-tronics.com/lowcosetsysw.html>
> > Is that worth the $$ or could I make something with aquarium
parts
> > (heater, pump, etc). I was also planning on using ferric
chloride as I
> > have a bottle from RatShack from when I started getting
interested in
> > this some years ago. I know there are other etchants and
comments are
> > welcome on whats best but I think other than the staining and
inability
> > to see your boards progress, ferric chloride is probably as good
as the
> > others??
> >
> > Thanks,
> > Dave
> >
> >
>