Supergrain
B&W developer
Liquid concentrate
In production
Development times
| Film | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| Pancro 400 | 1+9 | 400 | 20.0 °C | 9:30 | — | |
| Pancro 400 | 1+9 | 400 | 21.0 °C | 8:40 | — | |
| Pancro 400 | 1+9 | 400 | 22.0 °C | 8:00 | — | |
| Pancro 400 | 1+9 | 400 | 24.0 °C | 6:45 | — | |
| Retropan 320 Soft | 1+9 | 320 | 20.0 °C | 6:30 | — | |
| Retropan 320 Soft | 1+9 | 640 push 1 stop | 20.0 °C | 10:00 | — | |
| RPX 25 | 1+9 | 25 | 20.0 °C | 4:30 | — | |
| RPX 25 | 1+12 | 25 | 20.0 °C | 5:30 | — | |
| RPX 25 | 1+15 | 25 | 20.0 °C | 6:30 | — | |
| RPX 100 | 1+9 | 100 | 20.0 °C | 5:30 | — | |
| RPX 100 | 1+12 | 100 | 20.0 °C | 6:30 | — | |
| RPX 100 | 1+15 | 100 | 20.0 °C | 7:30 | — | |
| RPX 100 | 1+7 | 200 push 1 stop | 20.0 °C | 8:00 | — | |
| RPX 400 | 1+9 | 400 | 20.0 °C | 6:00 | — | |
| RPX 400 | 1+12 | 400 | 20.0 °C | 7:00 | — | |
| RPX 400 | 1+15 | 400 | 20.0 °C | 8:30 | — | |
| Retro 80S | 1+9 | 80 | 20.0 °C | 6:00 | — | |
| Retro 80S | 1+12 | 80 | 20.0 °C | 8:00 | — | |
| Retro 80S | 1+15 | 80 | 20.0 °C | 11:00 | — | |
| Retro 400S | 1+9 | 400 | 20.0 °C | 8:00 | — | |
| Retro 400S | 1+12 | 400 | 20.0 °C | 10:00 | — | |
| Retro 400S | 1+15 | 400 | 20.0 °C | 14:00 | — | |
| SuperPan 200 | 1+9 | 200 | 20.0 °C | 6:00 | — | |
| SuperPan 200 | 1+12 | 200 | 20.0 °C | 8:00 | — | |
| SuperPan 200 | 1+15 | 200 | 20.0 °C | 11:00 | — | |
| Ortho 25 Plus | 1+12 | 25 | 20.0 °C | 5:30 | — | |
| Infrared 400 | 1+12 | 400 | 20.0 °C | 7:00 | — | |
| Blackbird | 1+12 | 64 | 20.0 °C | 8:00 | — | |
| Paul & Reinhold | 1+9 | 320 pull 1 stop | 20.0 °C | 5:30 | — | |
| Paul & Reinhold | 1+12 | 320 pull 1 stop | 20.0 °C | 6:30 | — | |
| Paul & Reinhold | 1+9 | 640 | 20.0 °C | 8:00 | — | |
| Paul & Reinhold | 1+12 | 640 | 20.0 °C | 9:30 | — | |
| Paul & Reinhold | 1+9 | 1600 push 1.25 stops | 20.0 °C | 16:00 | — | |
| Paul & Reinhold | 1+12 | 1600 push 1.25 stops | 20.0 °C | 20:00 | — |
Reuse
Checked 21 October 2026
The maker’s sheet doesn’t say whether it can be reused.
Dilutions
- 1+7 1 + 7 water
- 1+12 1 + 12 water
- 1+15 1 + 15 water
- 1+9 1 + 9 water
Link to this page
Specification
- Type
- B&W developer
- Form
- Liquid concentrate
- Capacity rolls per litre
- —
- Shelf life, unopened
- —
- Shelf life, opened
- —
A dash means the figure has not been read off the maker’s sheet. A guess here would produce wrong answers silently.
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