this is more for the brute force 'lysers out there, but i think it would be good for a picture post and explanation of what vessel you're using, where you got it, or if you biult one, where you bought your parts from and how it was assembled.
i for one, am having a little bit of a hard time finding the right container for my cell stack..... i've played with probably fifteen different cell orientations and whatnot, but i've had a little trouble finding a tough, reliable container. just as i thought i found one <see below> the lid cracked and it leaked easily.
my box, purchased at lowes in the electrical conduit section: