Water 90F/32C | 500 | ml |
Sodium Sulfite (anhydrous) | 60 | g |
Paraformaldehyde | 15 | g |
Potassium Metabisulfite | 5 | g |
Boric Acid (granular) | 15 | g |
Hydroquinone | 45 | g |
Potassium Bromide | 3 | g |
Cold water to make | 1000 | ml |
Mixing Instructions: Add chemicals in specified sequence. This developer oxidizes quickly so mix directly into storage container if possible. |
Dilution: 1+1 |
Usage: Starting point dev time: 2 mins. |
Notes Discard working solution after 45 minutes. |