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  1. #11

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    The 475 rolls of 24 exp is if you're running a replenishment line. If you don't have enough throughput to justify that and instead are using it single shot, you won't get that much. I mix up 2/3 liter to develop six rolls at a time, and the developer (which is the limiting component) mixes up to a total of 12.5 liters IIRC. In other words, with single-shot I expect to develop (12.5/.66)*6=112 rolls max. Nowhere close to 475, but it's still less than $1 a roll and the teenager at the minilab isn't scratching my negs or getting fingerprints and dust all over them.

  2. #12

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    I've posted a pic of the box label here:

    http://thirsty.smugmug.com/Other-Stu...89434647_W8qYC

    The thing you have to keep in mind when working out your proportions for the color developer is that they tell you to dilute the concentrate once to make a replenishment solution, then you dilute it a bit more with the starter and more water to make working strength solution. That's why the color developer actually makes 12.5 liters, not 10.

  3. #13
    markbarendt's Avatar
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    Quote Originally Posted by stradibarrius View Post
    Mark Thanks for your numbers!!! That helps a bunch. By mixing it up in small batches am I correct that I will not have the oxidation problem and my chemicals going bad as if I were to mix the whole thing at once???
    Correct, keep the individual chems tightly capped and get rid of all the air you can in the bottle.
    Mark Barendt, Ignacio, CO

    "We do not see things the way they are. We see things the way we are." Ana´s Nin

  4. #14
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    Quote Originally Posted by stradibarrius View Post
    Mark, was "Monument Valley Mitten Shadow" developed with this trebla chemistry? That is a terrific image by the way.
    I had not gotten my chems at that point, Wal-Mart. Print scanned.

    It was a fun time getting the shot too.
    Mark Barendt, Ignacio, CO

    "We do not see things the way they are. We see things the way we are." Ana´s Nin

  5. #15
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    Quote Originally Posted by zj3002 View Post
    Hi...what are the mL sizes of each bottle? I'm surprised that they would say it will develop 475, 135-24 rolls of film. It seems like a lot especially when Tetanal kits make 5-liters which would be good for about 60 +/- rolls and sells for about $70 at B&H. I have pounding around trying to find spec sheets and volumes on this stuff and NOTHING is listed anywhere! Thanks again...Zj
    The math really works. I'm just hoping to get into the low hundreds doing one shot, not as efficient as a big machine. If I need to develop 4 sheets of 4x5 it still takes a full liter to fill the tank even though 250ml would develop the film. I'm generally not using the developer to capacity.
    Mark Barendt, Ignacio, CO

    "We do not see things the way they are. We see things the way we are." Ana´s Nin

  6. #16

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    What are you guys using to process? Jobo/other rotary machine type thing?
    Technological society has succeeded in multiplying the opportunities for pleasure, but it has great difficulty in generating joy. Pope Paul VI

    So, I think the "greats" were true to their visions, once their visions no longer sucked. Ralph Barker 12/2004

  7. #17
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    Quote Originally Posted by mark View Post
    What are you guys using to process? Jobo/other rotary machine type thing?
    Plain old Nikor SS tanks.
    Mark Barendt, Ignacio, CO

    "We do not see things the way they are. We see things the way we are." Ana´s Nin

  8. #18

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    What's the shelf life like on this stuff when kept as a concentrate?

  9. #19
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    Quote Originally Posted by mrmekon View Post
    What's the shelf life like on this stuff when kept as a concentrate?
    Once opened to use, about 2 months or so. Maybe up to 6 if you use an inert gas header.

    PE

  10. #20

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    I think I'm at about 10 months since I opened mine, and no problems so far.

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