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  1. #11
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    Apr 2005
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    In all of my years doing processing, I have never seen true pinholes in film for any reason. I have seen it in paper because Dektol is Carbonate based. Even that was rare involving deep tank processing or poorly hardened emulsion.

    I have seen dust and air bubbles cause such problems.

    PE

  2. #12

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    I now use an alkaline fixer (TF5), but before I did, I used an acid stop, but because I experienced pinholes when I was in the Army in the 60's, Ansco film and DK 50 developer, I eventually used only one or two cc's of a 28% acetic acid solution to a liter of stop bath (for film), just enough to create an acid environment. I never had problems with any film pinholing after that.
    Moving to an alkalin fixer could eliminate the issue for you, and if you read up on them, they have other benefits.

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