I use Patterson core to hold film and bought some plastic food storage containers the right size for each bath, place them in a print tray to prevent chem slop. I process in the dark moving from one to the other with a timer on the tray in front of each bath. No streaks, perfect agitation, immediate immersion with no pouring or leaks. This ended my headaches with this tank. Te holders are great to load. Because no pouring of chem, the thin films would probably not be bent and displaced. Hope that this helps