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Thread: Out of Stop, switch to water?

  1. #1

    Join Date
    Dec 2019
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    96

    Out of Stop, switch to water?

    Hi.

    I have been using Ilford Ilfostop when developing PF4Plus. But I'm just about out.

    Should I just switch to using water for the Stop process and save the money?

    Thoughts?

    Adam

  2. #2
    Tin Can's Avatar
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    Dec 2011
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    13,998

    Re: Out of Stop, switch to water?

    I always use fresh water stop with film

    Paper I use citric acid
    sin eater

  3. #3
    Eric Woodbury
    Join Date
    Dec 2003
    Posts
    1,405

    Re: Out of Stop, switch to water?

    Same here. After years of water only, I've found Ilford Multigrade paper likes a good stop or I risk some weird marks and colors on my prints. Film is still water. Paper is citric acid, as Tin Can noted. Buy a 5# bag from Amazon. No stink.

  4. #4

    Join Date
    Jan 2019
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    139

    Re: Out of Stop, switch to water?

    Stop is the least expensive of the chemicals because it is diluted so much and keeps well. It's basically just acetic acid (pus a dye for indicator stop).

    People do forgo stop - if you know what you are doing and are prepared to deal with process changes. But it may shorten the life of the fixer due to developer carryover. That can negate the minor cost savings anyway.

  5. #5

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    Jan 2008
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    Morgantown, WV
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    152

    Re: Out of Stop, switch to water?

    Water stop for film. Acid stop for paper. I use citric acid like the others. About half tablespoon per liter of water. White vinegar is also an option. I've not used that so I can't recommend a dilution. Do a search or maybe someone will chime in here with that info.

    CW

  6. #6
    Tin Can's Avatar
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    Dec 2011
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    Re: Out of Stop, switch to water?

    I use plain fresh water with my TF-5 fixer per spec. Fixer lasts plenty long

    Read this http://stores.photoformulary.com/tf-5-archival-fix/


    Quote Originally Posted by reddesert View Post
    Stop is the least expensive of the chemicals because it is diluted so much and keeps well. It's basically just acetic acid (pus a dye for indicator stop).

    People do forgo stop - if you know what you are doing and are prepared to deal with process changes. But it may shorten the life of the fixer due to developer carryover. That can negate the minor cost savings anyway.
    sin eater

  7. #7

    Join Date
    Sep 1998
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    Buford, GA
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    13,166

    Re: Out of Stop, switch to water?

    In the USAF photo school at Lowry they sent us to the chow hall for vinegar that we diluted.

  8. #8
    Foamer
    Join Date
    Oct 2010
    Location
    South Dakota
    Posts
    2,037

    Re: Out of Stop, switch to water?

    I've always used plain water, two rinses.


    Kent in SD
    Qui sedes ad dexteram Patris,
    miserere nobis.

  9. #9

    Join Date
    Aug 2000
    Location
    California
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    3,221

    Re: Out of Stop, switch to water?

    Water for film, diluted vinegar for paper

  10. #10
    Drew Wiley
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    Sep 2008
    Location
    SF Bay area, CA
    Posts
    14,220

    Re: Out of Stop, switch to water?

    White vinegar. It's acetic acid just like stop bath; but you want something colorless that won't stain.

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