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  1. #21
    donbga's Avatar
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    Quote Originally Posted by jstraw View Post
    That looks very promising.

    One big complicating factor is that I plan to use FB paper and I will have to adequately wash the prints in whatever sort of tube system I wind up using unless I come up with a better way of washing the prints.
    You can't adequately was FB prints in a tube. The paper base absorbs fixer and cannot be washed throughly when in contact with the back of a tube. That includes tubes with ribs.
    Don Bryant

  2. #22
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    Quote Originally Posted by donbga View Post
    You can't adequately was FB prints in a tube. The paper base absorbs fixer and cannot be washed throughly when in contact with the back of a tube. That includes tubes with ribs.

    You've tried?
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  3. #23

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    Quote Originally Posted by photographs42 View Post
    I do up to 20x24 in trays ... Jerome
    There are some others. Certainly there are enough
    of that size tray available. I've an issue of Camera and
    Darkroom which details the development of large prints
    using a single tray. I'm not any way near 20x24 but I
    do use a single tray.

    I've made the method very convenient by using one-shot
    chemistry. No stop is needed and a Single very dilute fix
    yields Great LE. The same one tray can be used for
    washing though that implies a few at the most
    prints per day. Dan

  4. #24
    donbga's Avatar
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    Quote Originally Posted by jstraw View Post
    You've tried?
    Yes. Its difficult to get water moving around the back of the print. Also pulling a large FB print from a tube is more difficult than RC, plus as you know there is a significant difference in the time required to wash fiber compared to RC.

    I would develop, stop, and fix in the tube and wash in a tray. You can use a Kodak tray siphon with the tray sitting on your kitchen counter if space is an issue.

    Big trays go for naught these days on eBay.
    Don Bryant

  5. #25
    jstraw's Avatar
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    Can someone explain what the "hypo eliminator hose" on this item actually does?

    http://www.bhphotovideo.com/c/produc...liminator.html
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  6. #26
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    Quote Originally Posted by jstraw View Post
    Can someone explain what the "hypo eliminator hose" on this item actually does?

    http://www.bhphotovideo.com/c/produc...liminator.html
    It's a hose for supplying and draining water from the tray which helps eliminate the "hypo".
    Don Bryant

  7. #27

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    Looks like it operates on the notion that the hypo laden water sinks. This has been discounted by some of the chemist posters in some of the washing threads.

  8. #28
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    Quote Originally Posted by bdial View Post
    Looks like it operates on the notion that the hypo laden water sinks. This has been discounted by some of the chemist posters in some of the washing threads.

    That's what I thought. Thanks, Barry.
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  9. #29

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    I have been reading the thread, and though I have no experience in processing prints so large, I have a suggestion. (Worth what it costs)

    J,
    You said you are using 8" PVC and need a tray for it. Have you thought about using the next size or two larger (10"?) and cutting it 1/3 length - wise to provide a tray? Of course you would have to somehow cap the ends, but it would seem to me to be cheaper than Stainless Steel and if nothing else provide a "prototype" for the SS trays you mentioned.

    Good Luck, I'll be where you are by this Fall if my replacement bulb idea for my MVT 57 works!

    Dan
    ... Hmmm..., f5.13 @ 1/23 should do it.

  10. #30
    fhovie's Avatar
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    I made 4 of these for doing 8x10 negs - they work great

    Quote Originally Posted by w rollinson View Post
    i came across this you might be able to adapt this in a bigger size to suit your needs ,wayne. http://medfmt.8k.com/brontube.html
    My photos are always without all that distracting color ...

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