On 10/07/2012 21:10, Mike wrote:
>
> I usually etch in a plastic food storage bin. If the etch is going
> slowly, I take the bath, board and all, and place it in the microwave
> for 60 to 120 seconds. Be sure to stay below boiling!! I use a meat
> thermometer to measure acid bath temp (it does corrode, but slowly) and
> stick with about 120F, 49C as the max temp. It does speed up quite a bit.
I do my etching with FeCl3 in a small plastic food container in an old
washing up bowl with about 1" of just boiled water in it. With
continuous agitation etching takes under 5 minutes.
Leon
--
Leon Heller
G1HSM