Gevaert G.79

Pyro film developer

Part A
Water750ml
Sodium Bisulfite10g
Pyro60g
Potassium Bromide1g
Cold water to make1000ml
Part B
Water750ml
Sodium Sulfite (anhydrous)100g
Cold water to make1000ml
Part C
Water750ml
Sodium Carbonate (monohydrate*)75g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence.
Dilution: 1+1+1+7 (tray) or 1+1+1+21 (tank)
Usage: Starting point dev time: 8 mins (tray) 14 mins (tank)

Notes 

*multiply amount by 0.833 if using Sodium Carbonate in anhydrous form.