Normal tank developer for motion picture positive films.

IngredientQuantity
Mix chemicals in order.
Metol
0.31
grams
Sodium sulfite anhydrous
40grams
Hydroquinone6grams
Sodium carbonate anhydrous18.7grams
Potassium bromide0.86grams
Citric acid0.7grams
Potassium metabisulphite1.5grams
Water to make
1
liter

Do not dilute. Develop for 5–10 minutes at 18°C according to the contrast required and the degree of agitation employed.

Keeping properties: Solution in full stoppered bottle: 6 month. Solution in half-full stoppered bottle: 2 month. In tray: 24 hours. In gallon tank: 1 month.

Useful capacity: 24 8×10″ per 4.7 liters of developer processed in tray and 48 8×10″ per 4.7 liters of developer processed in narrow and deep tank. When needed it can be replenished with Kodak D16R replenisher.