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  1. #1

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    Stop Bath Question

    As I understand it, stop baths are generally just acetic acid and water.

    In that case, why don't people just use dilute household vinegar?

    Hopefully I'm not re-dicovering the wheel here.

  2. #2
    ann
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    you are and some people do.

  3. #3
    David A. Goldfarb's Avatar
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    Some people do use white vinegar. White vinegar is generally weaker than stop bath, and I suspect it may actually be cheaper to mix stop bath from concentrate than to use white vinegar.
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  4. #4
    rbarker's Avatar
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    Don't forget to add a sprig of dill to the vinegar stop bath.
    [COLOR=SlateGray]"You can't depend on your eyes if your imagination is out of focus." -Mark Twain[/COLOR]

    Ralph Barker
    Rio Rancho, NM

  5. #5
    kwmullet's Avatar
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    Cheaper still, I think, to use citric acid. No smell, either. Check threads elsewhere on apug for precise proportion, but I use 1tsp per liter. must be dumped after each session, since it's organic, but has great capacity and effectiveness. I don't miss the smell, either.

    I found citric acid in the bulk spice section of a local organic food store. I think well-stocked canning sections in groceries may have it as well.

    -KwM-

  6. #6
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    kodak stop bath ends up being cheaper than vinegar in the US

    Back in Ecuador I couldn;t buy acetic acid (drug precursor) so I used vinegar or citric acid (1 tsp/l)
    Many ither things can be used as a stop bath, most acid salts (bisulfates) would work as well.
    Mama took my APX away.....

  7. #7
    Dean Williams's Avatar
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    Considering Kodak stop bath (16 oz size) makes eight gallons for about $6, it's probably one of the most economical stops available. Plus, it lets you know when it quits working without any testing needed.
    [COLOR=Sienna][FONT=Arial]Some days are diamonds. Some days a tree crashes through your roof.[/FONT][/COLOR]

  8. #8

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    Quote Originally Posted by Dean Williams
    Considering Kodak stop bath (16 oz size) makes eight gallons for about $6, it's probably one of the most economical stops available. Plus, it lets you know when it quits working without any testing needed.
    So it can be used more than once? The one I use now (Ilford) says not to do that, and I sure hate to pitch something if I can get another $.12 out of it. =)

  9. #9

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    Quote Originally Posted by rbarker
    Don't forget to add a sprig of dill to the vinegar stop bath.
    Now I just need to find a chemistry that's alkaline so I can use another readily available poison - lutefisk.

  10. #10
    titrisol's Avatar
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    i don't reuse the stop bath, just use it for prints, and dilute small amounts of aacid at a time and go checking how it works.
    Mama took my APX away.....

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