By the way, here's a trick I've been using to develop short test-strips uniformly with a small amount of developer. I hold a strip to the bottom of a stainless steel tank using hobby-magnets. Here's a photo of a strip after fixing:
Be sure the emulsion is facing up! The magnets don't rust, so they should not cause iron-contamination. But they stick poorly to the tank, so there are four more magnets under the bottom of the tank to hold those inside-magnets in place (8 magnets total). I develop in a water-bath to hold temperature to within .1 or perhaps .2 degree C, agitating with inversions. I use 100 ml of developer, but 50 ml would probably work also. I'm getting good consistency with this set-up, so I figured I'd share it with other experimenters.
Last edited by albada; 07-09-2012 at 02:17 AM. Click to view previous post history.