Part A | ||
Water | 800 | ml |
Phenidone | 0.75 | g |
Sodium Bisulfite | 7.5 | g |
Pyro | 30 | g |
Potassium Bromide | 4.2 | g |
Cold water to make | 1000 | ml |
Part B | ||
Water | 800 | ml |
Sodium Sulfite (anhydrous) | 150 | g |
Cold water to make | 1000 | ml |
Part C | ||
Water | 800 | ml |
Sodium Carbonate (anhydrous) | 60 | g |
Cold water to make | 1000 | ml |
Mixing Instructions: Add chemicals in specified sequence. Mix Part B within 24 hours of use. |
Dilution: 1+1+1+20 (can be varied to control development time) |
Usage: Starting point dev time: 12 mins. |
Notes Variant of ABC Pyro with less oxidation. Suitable for roll films. Contrast can be controlled by variation of Part C, as with ABC. |