Pyro film developer
| Stock Solution A |
| Water, 125F/52C | 750 ml |
| Metol | 4 g |
| Potassium Metabisulfite | 12 g |
| Pyro | 12 g |
| Cold water to make | 1L |
| Stock Solution B |
| Water | 750 ml |
| Sodium Carbonate (monohydrate*) | 87 g |
| Cold water to make | 1L |
* = 74.4 g Sodium Carbonate (anhydrous)
Mixing instructions: Add chemicals in specified sequence.
Dilution: Mix equal parts A + B
Starting point development time: ? mins.
