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Thread: Shelf life of Kodak Rapid Fixer and Ilford Hypo Ch

  1. #1

    Shelf life of Kodak Rapid Fixer and Ilford Hypo Ch

    I've searched for past questions on this and got limited info. I have several unopened boxes of Kodak Rapid Fixer (2-part). Age is unknown as I got it second-hand....about four years ago. Anyone know the shelf life of this for unopened product? I looked at the first two, and there is a little sediment in the bottom of the large bottle now. I'd throw it out for general principals, but I'd hate to do that if it is still good. I also have some old Hypo Check around, and I never did understand if that ages too. The last resort is to use the Hypo Check to verify the fixer. Thoughts? Thanks, Dennis

  2. #2

    Shelf life of Kodak Rapid Fixer and Ilford Hypo Ch

    Two year life on Rapid Fix. When you see the sediment on the bottom, it is no good.

    Been happier with TF4 from Phogographers Formulary. Buy the gallon and put into smaller bottles, after shaking it up, right away. Mix to working strength from the small bottles as you need it. Large distributers sell it like Calumet and B and H so you need not buy direct if you don`t want to . Comes in gallons and quarts. Do not use acid stop baths with it.

    Mix your own from raw chemicals and they last about forever in powder form.

    Don`t use hypo check as I never reuse chemicals. Darkroom session over, out they go.

  3. #3

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    Shelf life of Kodak Rapid Fixer and Ilford Hypo Ch

    The yellowish mud in the bottom of the Rapid Fixer bottle is sulfur precipitating out. That means it's no good. I like TF-4 as well- once you have a procedure for its use it's a big improvement.

  4. #4

    Shelf life of Kodak Rapid Fixer and Ilford Hypo Ch

    Thank you. That saves me some misery !

    Dennis

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