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

----- Original Message -----
From: "Russell Shaw" <rjshaw@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Sunday, June 29, 2008 8:23 AM
Subject: Re: [Homebrew_PCBs] Ferric Chloride - Alternatives


> Every few weeks when i use it, i top it up with HCl. It's a bubble
> etcher, so maybe the air has some kind of regeneration.

I think that would be the case.

I do that with my manual agitation technique, and add a little H2O2 if I
have it.

Leon