Homebrew PCBs

On 06/14/2010 12:34 PM, James wrote:
>    
>> I can't make the H2O2 produce HCl, but it's been a while.
>>
>> :)
>>
>> Hence, my assumption that sooner or later, you're gonna need to dump the
>> stuff and start over.
>>
>>
>>      
>
>
> HCl is consumed, you don't need to dump the stuff and start over, you simply add a bit more HCl and you're on your way again. I've etched a lot of boards and haven't had to add any yet though.
>
>    

OK, that works.  But, you just can't keep on adding HCl and I rather 
suspect that eventually, you decant some of the stuff and get rid of it, 
else given enough boards you'd be swimming in it.  Er, maybe not 
literally :)

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