A long-life, clean working formula which will give excellent results as a standard film developer for either tray or tank development.

IngredientQuantity
Metol
1.5
grams
Sodium sulfite anhydrous
45grams
Sodium metabisulphite1gram
Hydroquinone
3grams
Sodium carbonate monohydrate6
grams
Potassium bromide0.8grams
Water to make
1
liter
Do not dilute.

Develop in tank for 6–8 minutes at 20°C with occasional agitation. In tray, develop for 5–7 minutes at 20°C. For longer developing times with tank development, dilute 1:1 and develop 12–16 minutes at 20°C.

To maintain the strenght for the solution add AN47a replenisher.