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  1. #1

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    Bottles with metal caps

    Are there any corrosion or contamination issues from using metal capped bottles?
    -------------------------------
    Peter Schauss

  2. #2
    Ian Grant's Avatar
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    Yes, both for developers and fixers, definitely not a good idea.

    Ian

  3. #3
    BetterSense's Avatar
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    Fixers tended to corrode the lids of my glass Snapple apple juice bottles.
    f/22 and be there.

  4. #4

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    I always put a piece of wax paper or parafilm over the mouth of the bottle before I put a metal or plastic cap on it to avoid any contamination from a cap mix up. Haven't had any corrosion issues with metal caps as a result.

    Gord

  5. #5
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    I love it when someone asks a question that I should've asked.

    This may have saved me some future grief....
    If you are the big tree, we are the small axe

  6. #6
    fotch's Avatar
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    Like Gord said, except I use Saran Wrap Brand film to insure a proper seal.
    Items for sale or trade at www.Camera35.com

  7. #7
    Anscojohn's Avatar
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    Quote Originally Posted by gordrob View Post
    I always put a piece of wax paper or parafilm over the mouth of the bottle before I put a metal or plastic cap on it to avoid any contamination from a cap mix up. Haven't had any corrosion issues with metal caps as a result.

    Gord
    *********
    Ditto

    Saran Wrap works, too.
    John, Mount Vernon, Virginia USA

  8. #8
    Nicholas Lindan's Avatar
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    Saran wrap isn't made from saran any more as the Nanny State has quasi-banned vinyl food wrap for consumer use. Real vinyl wrap is still available from industrial/commercial suppliers and from Costco.
    DARKROOM AUTOMATION
    f-Stop Timers - Enlarging Meters
    http://www.darkroomautomation.com/da-main.htm

  9. #9
    Paul VanAudenhove's Avatar
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    Nicholas,

    So, how can I tell if I'm buying vinyl wrap or not? I haven't given this much thought, but I do recall reading many years ago that Saran wrap was best for covering trays over generic brands because the Saran wrap was less permeable.

    Paul

  10. #10
    Nicholas Lindan's Avatar
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    Vinyl wrap is very clear on the roll and has a slight yellow tint. It is very stretchy and sticks to itself like mad. The stuff sold in grocery stores is PE (Polyethylene) wrap - it is cloudy on the roll and not nearly as clingy.

    The original Saran wrap was PVDC and is no longer made. The new stuff is PVC, not quite as good but still much better than PE.

    Order "PVC food wrap" from Amazon or buy at Costco or a restaurant supply house.
    DARKROOM AUTOMATION
    f-Stop Timers - Enlarging Meters
    http://www.darkroomautomation.com/da-main.htm

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