This is an exceedingly energetic developer intended for plates which have received minimum exposures.
On account of the yellowish colour of the image even very weak negatives may have good printing contrast.
| Ingredient | Quantity | |
|---|---|---|
| Mix chemicals in order. | ||
| Solution A | ||
| Metol | 2 | grams |
| Potassium metabisulfite | 6 | grams |
| Pyrogallic acid | 6 | grams |
| Water to make | 0.5 | liters |
| Solution B | ||
| Sodium carbonate crystalline | 100 | grams |
| Water to make | 0.5 | liters |
For use, mix equal parts of Solution A and B.