Philippe-Georges
Subscriber
how did you learn about these chemcials? And do you understand these chemicals? If so would you mind explaining how they do what they do? also does the order matter?
The basic answer to your two questions can be found in two books written by three people who know by far more about this than I ever could.
The first one is Ansel Adams in his book 'The Negative': see chapter 10 'Value Control in Processing' starting from p.229, and Appendix 3 for more formulas.
The two others are Steve Anchell and Bill Troop in their book 'The Film Developing Cookbook', and can stand next to the first one.
All I am supposed to know about film developing comes from them, and not to forget Pat Gainer and Chris Patton too, and so many, many, others.
But the one thing I know for sure is that I hardly know anything.
And I am still learning, and learning, and learning...
That honger for learning drives me to go on, through trial and error...