This formula is recommended by Kodak to produce extra fine-grain negatives than those processed with standard developers, albeit at some loss of film speed.
Has anyone ever tried this formula?


Low to medium contrast fine grain film developer.

Water, 125*F/52*C 750 ml
Metol 7.5 grams
Sodium Sulfite (anhydrous) 100 grams
Sodium Bisulfite 15 grams
Water to make 1 Litre.

Mixing instructions: Add chemicals in specified sequence.

Dilution: Use undiluted

Starting point development time: 20 mins.

Replenish with Kodak DK-25R.