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Leon,

I'll try that today.

Any idea why the ferric chloride is getting darker?

Rick

-----Original Message-----
From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com]
On Behalf Of Leon Heller
Sent: Monday, February 11, 2013 6:40 AM
To: Homebrew_PCBs@yahoogroups.com
Subject: Re: [Homebrew_PCBs] ferric chloride question

On 11/02/2013 13:06, Rick Sparber wrote:
> I have been using the same ferric chloride for a while and it still
> does a fine job of etching my boards. But it has become darker and I
> see some precipitates forming. Does it just need a little water?

A little hydrochloric acid should remove the sludge.

Leon
--
Leon Heller
G1HSM


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