Homebrew PCBs

Andrew wrote:
 >
 > Those tanks are actually molded from two peices and
 > glued together. I have had several over the years.
 >
 > Some HAVE leaked at the glue seam. Now I am using
 > an acid based etchant the latest tank I have is
 > developing crazing and slow leaks in the walls.
 >
 > I do store it ALL in a large HDPE box though so
 > leaks are not catastrphic.
 >

I am thinking make it out of one-piece plastic and go with mechanical 
agitation. No leak worries.
Thanks,
Dave