jorge Posted September 3, 2004 Share Posted September 3, 2004 I'm sorry if this question has been answered a number of times but I searched the archives and couldn't find the answer. With HC-110 what is the minimum amount of concentrate (syrup) that you need to properly develop a roll (35mm, 120, 4 sheets of 4x5 or equivalent) regardless of dilution? With Xtol, for example, it's necessary to have at least 100mm of stock solution per roll. I want to try some thin dilutions of HC-110 but need to assess that there's enough developer to handle the process. 250 ml of dilution B (1:31) has about 8 ml of concentrate, should I use that as a minimum or can it be stretched thinner? Link to comment Share on other sites More sharing options...
jon_porter1 Posted September 3, 2004 Share Posted September 3, 2004 I'm going to go ahead and say 3ml of concentrate per roll of film is the minimum. Link to comment Share on other sites More sharing options...
__jon__ Posted September 3, 2004 Share Posted September 3, 2004 FYI: http://covingtoninnovations.com/hc110/index.html Link to comment Share on other sites More sharing options...
gauthier Posted September 3, 2004 Share Posted September 3, 2004 The consensus seems to be that 3 ml is enough. Works for me, at least. Developping sheet film in rotary processors with 100-125 ml of this soup brings me very close to this 3 ml limit and I never had any problem. Link to comment Share on other sites More sharing options...
jorge Posted September 3, 2004 Author Share Posted September 3, 2004 Jon, Philippe, thanks for the replies. Yes you are right; after posting my question I remembered having processed in my CPE-2 with 125 ml of HC-110-B solution. So, if I go to a high dilution I just should keep the amount of concentrate over 3 ml per roll, right? Link to comment Share on other sites More sharing options...
mskovacs Posted September 3, 2004 Share Posted September 3, 2004 Yes process with higher volumes rather than less concentrate. For people using reels, develop one reel in a two reel tank for example. Link to comment Share on other sites More sharing options...
john_burns1 Posted September 9, 2004 Share Posted September 9, 2004 I concur---3 ml per roll or equivalent. Link to comment Share on other sites More sharing options...
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