You may find this funny, but I do a lot of my home etching in an old
listerene mouthwash bottle. It's tall, so I can stand the board up for 2
sided boards to get slightly more even etching. It's not too wide so I
don't need to use tons of etchant to cover the vertical board. And it
fits right into a large gladware style container that I fill with hot
water to warm the etchant. I drill a hole in the top of the board and
use dental floss to dunk the board like a teabag. Eventually I will add
a small piece of hose and an aquarium pump to agitate automatically.
Until then, it works great.

BTW, I don't store the etchant in it as I had to cut off the top of the
bottle to widen the opening, thus making sealing it rather difficult :)

Hope this helps,

Josh
--
A common mistake that people make when trying to design something
completely foolproof is to underestimate the ingenuity of complete
fools.
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Jai Dhar wrote:
> need something high-tech at all. From what I understand, basically all you need
> is a glass tank of some sort, a bubble generator, and some etchant solution. Is
> there anything else? I guess if I could get recommendations on all

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