Kodak F-1a

[FilmIs4Ever]

FilmIs4Ever submitted a new resource:

(there was a url link here which no longer exists) - Kodak F-1a

Water, about 125ºF (50ºC) - 14 fl. oz. - 425mL - 17 1/2 fl. oz.
Sodium Sulfite, desiccated - 2 oz. avdp. - 60.0g - 2 3/8 oz. avdp.
Acetic Acid (28% Pure) - 6 fl. oz. - 190mL - 7 1/2 fl. oz.
Potassium Alum - 2 oz. avdp. - 60.0g - 2 3/8 oz. avdp.
Cold Water to Make - 32 U.S. fl. oz. - 1.0L - 40 Imp. fl. oz.

If it is desired to mix a stock hardener solution, use Kodak F-1a, adding one part of cool hardener to four parts of cool 25% hypo solution (2 pounds of hypo to the gallon of solution).

(there was a url link here which no longer exists)

 

[Photo Engineer]

This was abandoned internally in favor of F-5.

PE

 

[helios1014]

Couple of questions: what is the shelf life of this formula and is it a one-shot or reusable?