Results 1 to 4 of 4

Thread: HC-110 dilution/N- development

  1. #1
    Richard M. Coda
    Join Date
    Mar 2001
    Scottsdale, AZ

    HC-110 dilution/N- development

    I am playing around with Tri-X again after many years. I did some 8x10 Tri-x negs in HC-110 1:40 @ 5 mins (N) @ 75 deg. They came out great (compared to older FG7 negs).

    I have another neg I want to try in HC-110, but it is a minus development. My question is, can I lower the dilution (to increase development time) in order to give me the breathing room I need to effect a minus development? A minus development would normally be about 4:24 at 1:40, right?

    Thanks to all.

    Photographs by Richard M. Coda
    my blog
    Primordial: 2010 - Photographs of the Arizona Monsoon
    "Speak softly and carry an 8x10"
    "I shoot a HYBRID - Arca/Canham 11x14"

  2. #2
    Scott --'s Avatar
    Join Date
    Feb 2007
    Penna., USA

    Re: HC-110 dilution/N- development

    You can always use dilution H to extend times enough to allow N-* developing. And I've added ice cubes more'n once to drop the temperature to effect, as well.

  3. #3
    Louie Powell's Avatar
    Join Date
    Sep 2003
    Saratoga Springs, NY

    Re: HC-110 dilution/N- development

    Rich -

    I use HC11- in dilution B for 35mm, and appreciate the fact that the development time is fairly short (4 min 30 sec for TMY). But I found that in 4x5, the development time (about 6 minutes for HP-5) was uncomfortably short. I was doing ordinary shuffle development in open trays, and felt that if I had multiple sheets, the fumble factor reduced the amount of agitation that each sheet experienced.

    So when I learned about dilution H, I almost immediately tried it, and today my standard is Dilution H for 11 minutes (for HP-5 or Efke 100 cut film). And it has the advantage of making a bottle of developer go further (not so much because of the cost, but because to buy more I have to drive about 25 miles to the only store in the area that carries chemicals).

    For N-1, I reduce development time by 3 minutes, and increase it by 3 minutes for N+1. Frankly, I haven't tested those times scientifically, but the practical results have been close enough for me to be happy.

    Eventually, I did switch over to a slosher for development, but I continue to use the longer time in Dilution H.

  4. #4

    Join Date
    Jan 2007

    Re: HC-110 dilution/N- development

    dilution D is lovely. It is all I ever use any more.

    Contray to the "5 minute warning", there is really nothing wrong with going 4-1/2 minutes. Especially if agitation is continuous - like in a Jobo for example.

    The problem with higher dilutions is that you get bigger and bigger grain...dilution H doubles the diltion of B and seems to also double the grain.

Similar Threads

  1. Uneven Development problem with semi-stand
    By Gregory Ng in forum Darkroom: Film, Processing & Printing
    Replies: 7
    Last Post: 3-Apr-2007, 07:52
  2. 510-Pyro dilution behavior
    By Jay DeFehr in forum Darkroom: Film, Processing & Printing
    Replies: 2
    Last Post: 29-Aug-2006, 01:34
  3. J&C Classic 400 development
    By Jay DeFehr in forum Darkroom: Film, Processing & Printing
    Replies: 6
    Last Post: 6-Jul-2006, 15:08
  4. TMY/510-Pyro development data
    By Jay DeFehr in forum Darkroom: Film, Processing & Printing
    Replies: 8
    Last Post: 26-Feb-2006, 22:26


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts