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  1. #1
    blackmelas's Avatar
    Join Date
    Aug 2004
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    Corinth, Greece
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    35mm RF
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    Thornton's Two Bath

    BATH A
    Metol- 6.25gr
    Soduim Sulfite- 85 gr
    Water to make 1 liter

    BATH B
    Sodium Metaborate- 12gr
    Water to make 1 liter

    ca. 3 min each bath iso 50 films
    ca. 4 min each bath iso 100 films
    ca. 5 min each bath iso 400 films

    The late Barry Thornton reformulated Stoeckler's Two Bath recipe for thinner modern films. Comments on this?

    Do not presoak or rinse between baths. Agitate every minute or more in bath A then empty. Pour in bath B smoothly and simply give a rap on the counter to dislodge air bubbles. I give at least one inversion at the mid point in bath B.

    Thornton claimed you could get at least 15 rolls out of the A and B solutions (this I've tested to be true though the B had a putrid smell at the end) and that bath A lasted for up to a year (Have not tested this).

    my personal times are 2:15 in each bath for Maco ORT25, Efke 25; 2:45 in each bath for Pan F; and 3:45 in each bath for FP4+.
    Last edited by blackmelas; 11-07-2006 at 05:22 AM. Click to view previous post history.

  2. #21

    Join Date
    Mar 2004
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    San Francisco Bay Area
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    The Large Format link above will give you an initial recipe for a Borax second bath - 10g/l. However you will likely find that this is not alkaline enough for modern films. I find the sodium metaborate bath B much better.
    I feel, therefore I photograph.

  3. #22

    Join Date
    Jun 2009
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    Melbourne, Australia
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    Thanks. I will be shooting Fomapan 100 Classic so it will be interesting.

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