Homebrew PCBs

On Fri, 23 Dec 2005 20:04:27 +0100, adicont2 <adicont2@...> wrote:

> I know this foamy hoses.
>
> You keep the etcher and the hose in tank when you don't use it? Or you
>
> wash all stuff, including hose after each sesion. I'm worry about
>
> copper residues witch maybe seal those tiny holes.

I keep them all in forever, no adverse effects. For a while when i ran the  
thing closed loop (air pump intake in tank) the mist made the pump valves  
stick and i thought the hose had deteriorated, but now that i have cleaned  
the pump and run it open loop i see the hose is like on the first day.


> So pendulum-not perfect. Rotating board-not perfect.
>
> Maybe togheter
> But not now. Is a long time project. Now I will try to make something
>
> common whith a simple bubbler like all comercials tanks. There is an
>
> old russian proverb or a Murphy law, I don't remember: "If a thing
>
> work, don't improuve it"
>
> Adrian

Yes, it's called "never touch a running system", i think, or "if it ain't  
broken, don't fix it".

I must admit i sometimes didn't follow the rule and tried to improve  
things, making it much worse...

ST