>>4391436i love my stearman sp 445 tank. no development issues at all after a year of using them.
found that the mod54 can be weird and finicky while the 445 "reels" mimic a film holder so its very easy to transfer.
kind of expensive and plastic, but lasts forever and i think is very strong. dropped it like twice. doesnt leak if you squeeze before capping and not get any liquid onto the underside of the two caps.