Defender 1-D

Pyro film developer

Part A
Water750ml
Sodium Bisulfite or Potassium Metabisulfite9.6g
Pyro60g
Potassium Bromide1.1g
Cold water to make1000ml
Part B
Water750ml
Sodium Sulfite (anhydrous)105g
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+11
Usage: Starting point dev time: 10-12 mins.

Notes 

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