Homebrew PCBs

One can get somewhat small aquarium water pumps that will do a better 
job of moving the etchang, you won't haveto wory about bubbles on the 
board keeping places from etching and the unhandy aerosols released by 
the bubbling.

derekhawkins wrote:
>> I'm currently etching with Ammonium Persulfate, but having to heat 
>> it up isn't very easy
>>     
>
> Etching tanks like below (ET-10) do quite well on a small scale using 
> an aquarium heater and air pump;
>
> http://www.pbase.com/eldata/image/62352752
>
> Compact, cheap and easy to use.
>
> --- In Homebrew_PCBs@yahoogroups.com, "Jamie Lyon" <aeonflame@...> 
> wrote:
>