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  1. #11
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    Apr 2005
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    Rochester, NY
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    Neal;

    I cannot disagree however, at the present time, you get one or the other - stability or no HQ.

    But, Eco Pro is an excellent developer. I hope to figure out how to do better someday.

    PE

  2. #12

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    Aug 2006
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    Cincinnati Ohio USA
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    Just a thought, are you using tap or distilled water to mix up your developer. Tap water in some areas could have minerals in it that shorten the life of the working solution. Try distilled water for a batch and see if it lasts longer. Also is there is a chemistry department at your university? They often have de-ionized water on tap in their buildings. If you ask nice I am sure you could get gallons of it for free. After all a darkroom is really a chemistry lab.

  3. #13

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    Jul 2006
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    Oklahoma, USA
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    I see the appeal of Eco Pro. In fact I've used it for our community art center DR at one time. Your working the solution too hard or its shelf live is pooping out. Establish a paper capacity count and train students on changing out solutions. Someone is ordering supplies and your argument will be cost which may be trumped by real & perceived environmental advantages.
    Last edited by Richard Jepsen; 05-26-2013 at 08:22 PM. Click to view previous post history.
    RJ

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