Homebrew PCBs

On Tue, 09 Aug 2005 10:28:27 +0200, Leon Heller  
<leon.heller@...> wrote:

>
>> I have a solution of FeCl2 for etching copper boards.
>> I keep it in a plastic bottle having a tight cap.
>> Is there any problem with it. Is there any possibility
>> that the solution may lose its etching power with
>> time.
>> Should I dry it to get the powder?
> It'll keep as long as you like. BTW, you can etch a board, save the  
> etchant,
> and reuse it several times.
> Leon
> --
> Leon Heller, G1HSM
> leon.heller@...
> http://www.geocities.com/leon_heller


Yes, but it will only etch so much copper than then no more, i guess you  
know that, but nobody mentioned it i think.
Still have half a bottle and several bags of the stuff around....


ST