Homebrew PCBs

On Thu, 08 Sep 2005 18:05:12 +0200, lcdpublishing  
<lcdpublishing@...> wrote:

> Hi all,
> I think I did something pretty stupid again.
> My tank is nothing more than a tupperware container - tall and
> skinny.  I drilled a hole through the side near the top to pass the
> air hose through.  As soon as I turned off the air pump, I realized my
> error - siphoning.
> Do you guys leave your air hoses in the tank like this or do you pull
> all the bubbler stuff out when you are done etching?
> Chris


There are no-return valves for fish tanks, but i personally just keep the  
pump at a higher level than the tank at all times.

ST