On Tue, 31 May 2005, Johan Baarman wrote:

> microsoftwarecontrol wrote:
>
>> air bubbling? I will try and need
>> to find a air fan. what kind fan
>> will do?
>>
>>
>
> I've used air pumps for small aquariums with great result. They seem to
> pump enough air for small etching tanks and are cheap too.
>

  just keep in mind that the bursting bubbles carry FeCl3. Use a lid.

Peter
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