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Thread: Butane for developer preservation

  1. #41

    Join Date
    Apr 2015
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    Purcellville, VA
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    Re: Butane for developer preservation

    Conrad, that's certainly valuable advice. In my case, although I have some smaller bottles that I have ordered at various times for this and other purposes, my standards have shrunk from the gallon jugs I used to use, to halves and quarts. The alleged quart bottles I use actually hold more like 34+ ounces, not 32, and the dilution would therefore be significant. Space is a factor for me. I already have several quarts each of print developer and fixer stored in the basement as a result of saving good money by buying gallon size rather than quarts/liters. Those stored bottles are full to the top, while the ones in my darkroom, currently in use, have some space. When they get to about 2.3 or a half, I transfer to whatever 16- and 8-oz bottles I have. We don;'t have central AC, so while the winter is not a problem, the summer gets hot in the darkroom. C'est la vie. The main issue is that I don't use the chemistry as regularly or as much as I did when I was a pro.

    I began this thread wondering about an anti-oxidation product. The advice, as usual, has been plentiful and valuable. Thanks to all.
    Philip Ulanowsky

    Sine scientia ars nihil est. (Without science/knowledge, art is nothing.)
    https://www.flickr.com/photos/156933346@N07/

  2. #42

    Join Date
    Sep 2014
    Location
    North Dakota
    Posts
    1,170

    Re: Butane for developer preservation

    Quote Originally Posted by Gary Beasley View Post
    If you wanted to put up the money for a tank and regulator you could use nitrogen or argon from a welding supplier. A tank of nitrogen is pretty cheap to get refilled.
    Small AirSoft tank filled with nitrogen should work OK.
    "My forumla for successful printing remains ordinary chemicals, an ordinary enlarger, music, a bottle of scotch - and stubbornness." W. Eugene Smith

  3. #43

    Join Date
    Dec 2014
    Location
    Iowa City, Iowa
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    1,462

    Re: Butane for developer preservation

    This is a great strategy, IMHO.

  4. #44

    Join Date
    Dec 2014
    Location
    Iowa City, Iowa
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    1,462

    Re: Butane for developer preservation

    Quote Originally Posted by Duolab123 View Post
    This is a great strategy, IMHO.
    My comments were to filling the bottle to the top.

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