I have used quite a few developing tanks over the years and have settled for the Jobo
CPP2 with lift and their expert drums. The largest of them will take ten 5X4 sheets.
The large print drum will take up to 24"X20" of support - or even film!
Go for it, and get that serendipitous fix! Stan. L-B (PicTecUK London & Wessex)