Pros/Cons Initial agitation

Discussion in 'B&W: Film, Paper, Chemistry' started by bobbysandstrom, Sep 11, 2005.

  1. bobbysandstrom

    bobbysandstrom Member

    Messages:
    248
    Joined:
    Mar 26, 2005
    Shooter:
    4x5 Format
    Assuming I'm using a 5 minute presoak and I'm agitating 10 sec each minute, or, in some cases 10 sec each 3 minutes...

    what are the pros and cons of a 15 second initial agitation vs a 30 or 60 second initial agitation? (other than a better chance of securing eveness of development.)

    thank you.
     
  2. reellis67

    reellis67 Subscriber

    Messages:
    1,887
    Joined:
    Mar 10, 2005
    Location:
    Central Flor
    Shooter:
    4x5 Format
    The Film Developing Cookbook goes into detail on this subject in detail. I always use at least 30 seconds for the initial agitation if I can fill the tank quickly, and 60 seconds if it takes 10 seconds or so to fill it. I have no observations to offer on alternative methods because I learned these times and have always gotten results I liked.

    - Randy