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  1. 11-09-2012 08:30 PM #1
    albada
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    TF-4 fixer: Storing leftover concentrate

    I used about one third of the concentrate to fill a 1.5L bottle with working fixer.
    Can the remaining concentrate be refrigerated? I'd like to maximise its shelf-life.

    TIA!

    Mark Overton
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  2. 11-09-2012 08:44 PM #2
    Stephanie Brim
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    I stored mine in the plastic bottle it came in, in the basement, in normal basement conditions. It was good three years later. YMMV.
    No idea what's going to happen next, but I'm hoping it involves being wrist deep in chemicals come the weekend.
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  3. 11-09-2012 08:57 PM #3
    chriscrawfordphoto
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    I always mix it all at once because the concentrate is not fully dissolved....its possible by mixing just part, you are not getting the right amount of the chemicals in the part you use.
    Chris Crawford
    Fine Art Photography of Indiana and other places no one else photographs.

    http://www.chriscrawfordphoto.com

    My Tested Developing Times with the films and developers I use

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    Fort Wayne, Indiana
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  4. 11-09-2012 08:59 PM #4
    Stephanie Brim
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    I always just shake the concentrate really, really well and I've *never* had a problem.
    No idea what's going to happen next, but I'm hoping it involves being wrist deep in chemicals come the weekend.
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  5. 11-09-2012 09:16 PM #5
    PhotoJim
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    It will keep longer as a stock solution than mixed, so if you mix it thoroughly and then mix up what you need, you'll tend to be able to keep the unused portion longer.
    Jim MacKenzie - Regina, Saskatchewan, Canada

    A bunch of Nikons; Feds, Zorkis and a Kiev; Pentax 67-II (inherited from my deceased father-in-law); Bronica SQ-A; and a nice Shen Hao 4x5 field camera with 3 decent lenses that needs to be taken outside more. Oh, and as of mid-2012, one of those bodies we don't talk about here.

    Favourite film: do I need to pick only one?
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  7. 11-10-2012 07:34 AM #6
    rich815
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    TF-4 fixer: Storing leftover concentrate

    Quote Originally Posted by Stephanie Brim View Post
    I always just shake the concentrate really, really well and I've *never* had a problem.
    Same here. Would not know where to store 4 gallons mixed otherwise nor how long so much would take me to use!
    -----------------------

    "Well, my photos are actually much better than they look..."

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  8. 11-10-2012 10:49 AM #7
    mopar_guy
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    You could just ask the folks at Photographer's Formulary:

    http://stores.photoformulary.com/StoreFront.bok
    Dave

    "She's always out making pictures, She's always out making scenes.
    She's always out the window, When it comes to making Dreams.

    It's all mixed up, It's all mixed up, It's all mixed up."

    From It's All Mixed Up by The Cars
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  9. 11-10-2012 12:58 PM #8
    Gerald C Koch
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    Store the concentrate in a cool but not cold location.
    A rock pile ceases to be a rock pile the moment a single man contemplates it, bearing within him the image of a cathedral.

    ~Antoine de Saint-Exupery
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