for those developping. clayton tume posted this: cut away the base of a fuji film-box. stick it to the end of mid-cut axe of jobo 2500 reel. from me: for single reel-usage just use testdrum(for 10x40cm prints). 500ml chemistry only needed. for c-41 i am using replenishing-technique. learnt from tetenal. There are a lot of instructions(incl. innovations) using cpa-2/cpp etc. jobo rotating machines. newest is improved cpp3.