Homebrew PCBs

You can use a piece of plastic transparent tube, similar to those used for
perfusions or for aquariums.
Introduce it in the FeCl cuve and pierce (using a hot needle)the part lying
on the bottom to permit air to escape. No need for special bubbler.
Cristian
At 18:14 20/11/02 +0000, you wrote:
>    I went along to my local pet shop (in Stroud, UK) and bought a bubbler
> which looks as though it is made of sintered silicon carbide. It is
>""" high and has a glass tube cemented
> into one end. It is black in color. So far it has lasted well.
> 
> John Beatty
> 
> 
> James Owens wrote:
>> 
>> Hi List,
>> 
>> I started my foray into making my own circuit boards by ordering ferric
>chloride and tinning compound from those nice people at Mega. While I was
>waiting the contruction of the tank took place from glass and silicon
>sealer. Happy with the tank I installed some fish-tank blue air stones,
>filled it with ferric chloride, attached the pump and installed a heater.
>The ferric chloride promptly disolved the air stones. Any thoughts on what
>I should have used?
>> 
>> Regards,
>> 
>> Terry
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