Lith film and paper developer
| 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 | 1L |
Mixing instructions: Add chemicals in specified sequence. This developer oxidizes quickly, so mix directly into storage container if possible
Dilution: 1+1
Starting point development time: 2 mins.
Notes: Discard working solution after 45 minutes.