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Thread: kodak hypo wash

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    kodak hypo wash

    I would like to try some toning using Kodak Rapid Selenium toner. The instructions call for using Kodak Hypo Wash ist. Is there any difference between using the kodak product and using something along the lines of Adorama "archival" wash? It appears to my quite possibly uninformed eyes that they do basically the same thing.
    Thanks for any help.

    John

  2. #2
    ann
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    shouldn't make any difference
    http://www.aclancyphotography.com

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    Ian Grant's Avatar
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    A 2% solution of Sodium Sulphite would work just as well and is much cheaper, it's the principle ingredient in most Wash aids.

    Ian

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    Anscojohn's Avatar
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    Quote Originally Posted by Ian Grant View Post
    A 2% solution of Sodium Sulphite would work just as well and is much cheaper, it's the principle ingredient in most Wash aids.

    Ian
    ******
    Yup. And if one needs to complexify the simple and obvious, throw in some sodium bisulphite.
    John, Mount Vernon, Virginia USA

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    Quote Originally Posted by Ian Grant View Post
    A 2% solution of Sodium Sulphite would work just as well and is much cheaper, it's the principle ingredient in most Wash aids.

    Ian
    So it's safe to say that if I don't reuse hca and I wash negatives before treating after fixing I can safely use only a 2% sodium sulfite solution, skipping all other ingredients?

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    Thanks

    Appreciate the info, I already have the archival wash, but will use the sodium sulfite in the future.
    Thanks
    John

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    Ian Grant's Avatar
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    Quote Originally Posted by Alessandro Serrao View Post
    So it's safe to say that if I don't reuse hca and I wash negatives before treating after fixing I can safely use only a 2% sodium sulfite solution, skipping all other ingredients?
    Yes, but in practice HCA isn't rally needed with negatives as the fixer washes more easily out of the gelatin, it;s far more important with fibre based prints were the semi-soluble silver-thiosulphate complexes for weak bonds with the cellulose in the fibres of the paper.

    Ian

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    Quote Originally Posted by cdat View Post
    Appreciate the info, I already have the archival wash,
    but will use the sodium sulfite in the future. John
    Sodium sulfite as well as serving as a hca also assures
    an alkaline condition of films and papers prior to their
    treatment in a selenium toner. If the fixer is alkaline
    then a water rinse may suffice.

    A teaspoon of sodium carbonate in a liter of water
    should do just as well. Kodak and Ilford only
    offer acidic fixers. Dan

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    Martin Aislabie's Avatar
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    If you are going to try Selenium Toner and you are using FB paper, it is worth while using a Hypo Wash (of what ever flavour you choose) both before and after toning.

    Doing so avoids staining - which can sometime appear only as the print dries which is a complete PITA

    Martin



 

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