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  1. #11

    Join Date
    Oct 2008
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    Prague, Czech Republic
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    35mm
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    My agitation technique is simple - 4 inversions during 10 seconds every minute, with 2 firm taps at the end of each sequence. The tank that I use is 300ml 1 spiral.
    The thing is, I always worked like this, but started getting these "bubbles" only recently. So this scenario with something being built up kind of fits the situation.

  2. #12

    Join Date
    Mar 2006
    Location
    Southern Ontario-ish
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    Multi Format
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    523
    do we know for certain that the top of the frame was indeed top of reel in the tank ? for some reason I wanna say it's fungus or something organic. Low developer levels would leave a rather noticeable band of density change. is this fresh film or old and how was it stored ?

  3. #13
    Mainecoonmaniac's Avatar
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    Dec 2009
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    I'm hoping it's just scum from photoflo. If that's the case, the gunk can be removed by resoaking your negs and gently wipe them dry with Kimwipes and hung in a dust free place to dry.

  4. #14
    polyglot's Avatar
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    Jun 2009
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    South Australia
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    Quote Originally Posted by aleckurgan View Post
    My agitation technique is simple - 4 inversions during 10 seconds every minute, with 2 firm taps at the end of each sequence. The tank that I use is 300ml 1 spiral.
    The thing is, I always worked like this, but started getting these "bubbles" only recently. So this scenario with something being built up kind of fits the situation.
    Do you agitate continuously for the first whole minute though? 'cos you're meant to.

  5. #15
    ic-racer's Avatar
    Join Date
    Feb 2007
    Location
    Midwest USA
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    6,184
    How old are the negatives? I have some with density loss like that that from the 80s from improper fixing.

  6. #16

    Join Date
    Oct 2011
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    Medium Format
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    8
    It is strange. I have to go with the fungus theory if the film is old and/or poorly stored. They look like fungus that developed on my 25yo XP1 negs. Did you try to wipe it off? Is it only 35mm? Do you have some 120 film to try?
    "Men never do evil so completely and cheerfully as when
    they do it from religious conviction." -- Blaise Pascal

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