Ilford IF-13 Potassium Alum Acid Hardener-Fixer

Ilford IF-13 Potassium Alum Acid Hardener-Fixer

  1. Christopher Walrath
    Ilford IF-13 Potassium Alum Acid Hardener-Fixer

    This fixer is intended for use with photographic papers.

    STOCK HARDENING SOLUTION
    Sodium Sulphite, anhyd . . . 50g
    Acetic Acid, glacial . . . 75ml
    Potassium Alum, cryst . . ....
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