I've have very bad luck with several of the fish tank bubblers and
CuCl (air stone is one product name). They fell apart in the CuCl
after around 6-8 hrs exposure.
--- In
Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:
> On Tue, 08 Mar 2005 11:42:03 GMT, Philip Pemberton <philpem@d...>
> wrote:
>
> >
> > I've been using a cheap fish tank air pump and a blue foam bubble
hose.
> > The
> > bubble hose has been bleached white by the FeCl and has a few "rust
> > spots"
> > (probably from the Fe in the FeCl), but it still seems to work fine.
> > Perfect,
> > even etching in my experience. A heater is also a useful addition.
> > Later.
>
>
> I use a cheap fish tank air pump too, but i don't have a blue foam
bubble
> hose or know where to get it.
>
> A heater is no good for CuCl, but good for FeCl, i agree.
>
>
> ST