RLS
B&W developer
Liquid concentrate
In production
Development times
| Film | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| RPX 25 | 1+4 | 25 | 24.0 °C | 12:00 | — | |
| RPX 100 | 1+4 | 100 | 24.0 °C | 16:00 | — | |
| RPX 400 | 1+4 | 400 | 24.0 °C | 18:00 | — | |
| Retro 80S | 1+4 | 100 push 0.25 stops | 24.0 °C | 15:00 | — | |
| Retro 400S | 1+4 | 100 pull 2 stops | 24.0 °C | 18:00 | — | |
| SuperPan 200 | 1+4 | 50 pull 2 stops | 24.0 °C | 10:00 | — | |
| SuperPan 200 | 1+4 | 200 | 24.0 °C | 12:00 | — | |
| Ortho 25 Plus | 1+4 | 25 | 24.0 °C | 10:00 | — | |
| Ortho 25 Plus | 1+4 | 50 push 1 stop | 24.0 °C | 12:00 | — | |
| Infrared 400 | 1+4 | 200 pull 1 stop | 24.0 °C | 14:30 | — | |
| Blackbird | 1+4 | 64 | 24.0 °C | 14:00 | — |
Reuse
Checked 21 October 2026
The maker’s sheet doesn’t say whether it can be reused.
Dilutions
- 1+4 1 + 4 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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