Homebrew_PCBs

You might want to test the chunks for compatability with your
etchant too, the HCl I'm using to brew CuCl just disintigrated mine!

Stan

--- In Homebrew_PCBs@yahoogroups.com, "Stefan Trethan"
<stefan_trethan@g...> wrote:

> On Thu, 01 Sep 2005 23:27:29 +0200, lcdpublishing
> <lcdpublishing@y...> wrote:
>
> > I picked up a fish tank pump and a container that should be good

for

> > my first etching tank. When I picked up the fish tank pump, I

also

> > noticed they had these thing that looked like porous stone that

are

> > used to spread out the bubbles. I bought one, but dropped it on

the

> > floor before I had a chance to see if it worked.
> > So, I am wondering if there is a good way to get bubbles to

spread out

> > across the bottom of my container?
> > The fish tank thing only cost $1.00 or so, so I really don't

mind

> > buying another one to try, but I figure some of you creative

folks

> > here might have better method.
> > Chris
>
>
> I use a bubbler hose. It is kind of a hose made of foam rubber

with holes

> punched in one side. It makes many small bubbles. I tried

different things

> before, and always encountered uneven etching. I still see some

unevenness

> with this hose, but it is much better already. You might need to

get the

> lead(?) wire out of it and instead glue it to a plastic stick

which you

> sink.
> I want to try a long bubbler stone one day.
>
> for larger tanks think and tinker shows a way to build a

bubbler...

>
> ST