Anyone knows of the difference, if any, between the two processes? What happens is that, I acquired some photo chemicals from a local school. It is the CPAC 55BL543, Trelux-23 Bleach. That is the Type-III bleach for Fuji CN-16Q process. The sales rep at CPAC said that the bleach is for Fuji, and I'll have to buy the regular CN-41 bleach. Since the price for bleach seems the highest among the quotes, and I have a fairly large quantify (cases) at hand, I just wonder if I can use this bleach in the CN-41 processing. I believe the local school used that bleach for its color processing program. From searching the internet, it appears the CN-16Q has been merged into CN-41 now. Still, any difference for my purposes? The CPAC sales rep said, unopened bleach can be stored for a long time.