When I first started with Xray (same stuff in the video), I developed it in Pyrocat-HD 1+1+200 (normally I use it at 1+1+50). It took me a few sheets to nail effective IE, and a normal development time at that dilution. Then a few more sheets to get times for high/low contrast scenes. I wouldn't recommend double-sided xray film in a Jobo (I use BTZS tubes for conventional films). The side touching the walls inside the tank would not get much developer, ending up mottled and probably scratch/scuffed. Some people strip the unsharp side of the film after development. I have tried this but don't appreciate the fact that you end up with a sheet of film with exactly half initial density range. I recommend getting your hands on single-sided xray, like Kodak Ektascan B/RA. I have a box of it and boy, is it sharp! It's nice is D-23 1+3 (EI 80). It is nice to be able to develop by inspection! Cheers!