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  1. #11

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    Cheap Hardner

    Since it is sulfuric acid, I get it at the local battery store in quart containers. Dilute 4 water 1 acid.

  2. #12
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    Quote Originally Posted by Cruzingoose View Post
    Since it is sulfuric acid, I get it at the local battery store in quart containers. Dilute 4 water 1 acid.
    According to the MSDS, it is also 15 - 20% (by weight) Aluminum Sulfate.
    Matt

    “Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”

    Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2

  3. #13

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    After looking up AS on Wiki, it seems it is not a necessary ingredient to the hardening process. Might be used to keep the mixed solution clear.
    Gun Control is like: Reducing drunk driving by making it harder for SOBER people to buy cars.

  4. #14

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    hey greg

    if you run into a bind and the kodak hardener runs out
    look for sprint alum hardener .. its cheap and works well.
    i use it in my fix baths when i process plates, and when
    i process plates in it by mistake. it doesn't work as a developer very well
    silver magnets, trickle tanks sold
    artwork often times sold for charity
    PM me for details

  5. #15

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    Quote Originally Posted by Cruzingoose View Post
    Since it is sulfuric acid, I get it at the local battery store in quart containers. Dilute 4 water 1 acid.
    Be sure to add the acid to the water, the reverse is dangerous.

    http://chemistry.about.com/od/chemis...furicwater.htm

    I recall my high school chem teacher saying to remember: A to W, that's aw wight.

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