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Subject: Re: [Homebrew_PCBs] Re: Etch safe materials for etch tank

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2004-12-13

On Mon, 13 Dec 2004 17:14:27 -0500, Dave VanHorn <dvanhorn@...>
wrote:

>
>
>>
>> well, mine had no port for a hose, simply a hole in the pump mechanism.
>> but nobody can prevent me from simply attaching a hose there with the
>> aid
>> of glue.
>> In normal (fish) operation the hole in the mechanism sucks the air in
>> form
>> the inside of the pump housing.
>
> Ok, in mine, when you open the box, there's exposed copper and steel
> parts.
>

by the way a cover over the tank would probably solve the problem. add a
outlet with a filter
of cloth. you can add some NaOH or something, dry, to neutralise any mist
droplets.

ST