Sounds like you have it pretty much dialed  in! A PC is a bit of an investment but once you have one its an incredibly valuable tool. I think I might have spent $80 on my 22qt PC but I can fit 9 quart jars in there pretty comfortably and I use it at least once a week so its definitely a vital asset. Nice job on the fluorescent tube, I'm going to need to get one of those myself soon. Morty has like 5 monotubs going right now and he needs to light them  all properly. He gets his culture isolates from his grandpa of course 8)