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Subject: Re: [Homebrew_PCBs] Re: Getting started with Cupric Chloride - I think...

From: Wayne Topa <linuxone@...>
Date: 2009-01-26

lcdpublishing wrote:
> I followed the directions as such...
>
> 2 parts common hydrogen peroxide
> 1 part muriatic acid
>
> The acid is the common type sold at hardware stores and the hydrogen peroxide was also
> the commonly available for everyday use - grocery store purchase.
>
>
What was the volume of the the peroxide, the 3% drugstore type or
the 30% Beauty Supply type? I was able the get the 30% and I think I
read, somewhere, that 1 to 1 was OK.

Wayne