Homebrew PCBs

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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