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Ansco 20 M-H Positive Film Developer

This clean-working developer is recommended for normal contrast with tray or tank development of positive film.

 

 

 

Hot Water (125F or 52C) 750 ml
Metol 2 g
Sodium Sulfite, anhydrous 25 g
Hydroquinone 4 g
Sodium Carbonate, monohydrated 18.5 g
Potassium Bromide 2 g
Water to make 1 L

 

Do not dilute for use. Normal developing time 3 to 5 minutes at 68F (20C).

From Ansco Formulas for Black and White Film by GAF, 1948

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