Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "Ken Stuempges" <ozarkshermit@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Wednesday, July 15, 2009 3:10 PM
Subject: [Homebrew_PCBs] Re: Yet another CuCl Regeneration Scheme


>I have absolutely no idea what the concentration is. What was your
>experience ? (concentration I mean)
>
> I have the generator and air pump enclosed in an (almost) airtight
> container, with enough leakage so the ozone pumped out will be replaced by
> outside air, to be converted into more ozone.
>
> The concentration is enough that I can still smell the ozone coming out of
> of my etchant tank, after being bubbled in by very tiny bubbles.
>
> After a short time I can smell the ozone through out the room.

I've never tried it. It's probably quite low, which is why I said that it
might be ineffective. If you can smell it coming out of the etchant, it
doesn't look like much of it is getting into the solution.

Leon