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

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

Wayne Topa wrote:
> 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.
>
Correction! I meant 30 Volume not 30 %.
> Wayne
>
>
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