Intensifier for underdeveloped negatives
| Water | 950 ml |
| Potassium Bichromate | 85 g |
| Hydrochloric Acid | 60 ml |
Mixing instructions: Add chemicals in specified sequence. Always add acid to water.
Use: Immerse negative until the image is thoroughly bleached, then redevelop in any standard print developer. Fix as normal. This process can be repeated for further intensification.