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

----- Original Message -----
From: "Blue" <jo001k1132@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Sunday, May 07, 2006 1:43 AM
Subject: Re: [Homebrew_PCBs] Ferric Chloride - muck at bottom of tank
question


> >Try adding some HCl, that should get rid of the sludge. Adding H2O2 will
>>also help, with the HCl it will convert cuprous chloride into cupric
>>chloride.
>
> How much is a little?

Depends on how much is in the tank. Just add a little at a time until the
sludge disappears.

Leon

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