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Thread: Re-using HC-110 DilB for another shot?

  1. #1

    Join Date
    Feb 2014
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    Re-using HC-110 DilB for another shot?

    Hello everyone,

    I wonder if I can re-use HC-110 even though it's supposed to be a one shot developer.
    Right now I have 1 sheet of 4x5 in a 1l patterson tank in taco method.

    There's 1l of HC-110 Dil-B (1/31) at 26C for 5 minutes with standard agitation.

    I seems like a waste to not re-use the mix.
    I have a bunch of sheets that I need to develop individually and I have adjust exposure through development.

    Does anyone have an idea how much the developer exhausts?

    Many thanks!!

  2. #2

    Join Date
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    Sonora, California
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    Re: Re-using HC-110 DilB for another shot?

    well, if you had a tank that held six sheets of 4x5, you could develop all six of them in that same 1 liter of working solution...so, you **might** be able to do several sheets on after the other in the same working solution. Frankly, I would not but, it should work.

  3. #3

    Join Date
    Feb 2014
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    Re: Re-using HC-110 DilB for another shot?

    *facepalm*

    Thank you!

  4. #4

    Join Date
    Aug 2011
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    Los Angeles
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    Re: Re-using HC-110 DilB for another shot?

    Also, check here: http://www.covingtoninnovations.com/hc110/

    Very useful information about HC110.

  5. #5
    John Olsen
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    Jan 2012
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    Madison, WI
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    Re: Re-using HC-110 DilB for another shot?

    Quote Originally Posted by andre View Post

    Does anyone have an idea how much the developer exhausts?

    Many thanks!!
    I always reuse my HC-110B. I mix 64 oz of working solution and then plan on 1/2% time increase for each 4x5. It seems pretty reliable. I discard the solution when I get up to a 10% increase in time.
    I never knew it was supposed to be a one-shot developer. Since Kodak publication J-24 lists storage times and replenishment rates, it would seem that HC110 is not a one-shot developer.
    Save some money and try reusing it.

  6. #6
    Land-Scapegrace Heroique's Avatar
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    Seattle, Wash.
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    Re: Re-using HC-110 DilB for another shot?

    I’m a tray developer, and I re-use HC-110 (Dilution B) per Kodak's recommendation:

    • 10 8x10's per gallon.
    • In other words ... 40 4x5's per gallon.

    BTW, Dilution A (1:3 from stock) is twice these amounts.

    -----
    Kodak also says the stock solution (not working solution) is good on the shelf for 6 months, if the container is full and closed.

  7. #7
    John Olsen
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    Jan 2012
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    Re: Re-using HC-110 DilB for another shot?

    Quote Originally Posted by John Olsen View Post
    I always reuse my HC-110B. I mix 64 oz of working solution and then plan on 1/2% time increase for each 4x5. It seems pretty reliable. I discard the solution when I get up to a 10% increase in time.
    I never knew it was supposed to be a one-shot developer. Since Kodak publication J-24 lists storage times and replenishment rates, it would seem that HC110 is not a one-shot developer.
    Save some money and try reusing it.
    I should have also mentioned that I use 16oz working solution in a 5x7 tray for a 4x5 sheet, pouring the tray back into the working solution bottle after each single sheet. That's the way my experience with exhaustion works. I wasn't specific enough, sorry.

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