This is a clean-working developer of particular value for rapid development or development at high temperatures.
| Hot Water (125F or 52C) | 750 ml |
| Metol | 2.5 g |
| Sodium Sulfite, anhydrous | 25 g |
| Hydroquinone | 6.5 g |
| Sodium Carbonate, monohydrated | 16 g |
| Potassium Bromide | 1 g |
| Water to make | 1 L |
Do not dilute for use.
Normal developing time – 3 to 4 minutes at 68F (20C).
For development at temperatures higher than 68F, see paragraph on time-temperature coefficients.
From Ansco Formulas for Black and White Film by GAF, 1948 – Formulas are provided for historical reference. They may not work well with modern films and papers. Some of the chemicals can be dangerous. As with all photographic processes, be careful.
