Homebrew PCBs

On 17/02/14 14:36, James wrote:
>
> On 17/02/14 16:02, Russell Shaw wrote:
>>
>> If you started with concentrated ferric chloride, it should be diluted 1:1 with
>> water. The water gives "room" for the reactants. I'm assuming the ferric
>>
> I think you are talking cross-purposes here.  The poster is having problem with
> Cupric Chloride, not Ferric Chloride.

Maybe i assumed wrong then.

However, i started with 1:1 feric chloride, water, and some HCl, and it 
eventually converted to Cupric Chloride etching. But regardless, adequate water 
dilution is still needed. A syrupy concentrate will be very slow.