Development times
Showing 4 of 92 published times.
| Film | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| Delta 400 Professional | 1+14 20.0 °C | 200 pull 1 stop | 8:00 | Ilford — 4 inversions every 60 s | ||
| Delta 400 Professional | 1+9 20.0 °C | 200 pull 1 stop | 5:30 | Ilford — 4 inversions every 60 s | ||
| Delta 400 Professional | 1+14 24.0 °C | 200 pull 1 stop | 6:00 | Ilford — 4 inversions every 60 s | ||
| Delta 400 Professional | 1+9 24.0 °C | 200 pull 1 stop | 4:30 | Ilford — 4 inversions every 60 s |
Reuse
Checked 21 October 2026
Ilford says Ilford Ilfosol 3 is one-shot: use it once and pour it away.
ILFOSOL 3 is supplied as a liquid concentrate normally diluted 1+9 for one-shot use. Dilute it immediately before use and discard directly after development. ... ILFOSOL 3 is not recommended when using re-use techniques or replenishment systems.
Dilutions
- 1+9 1 + 9 water
- 1+14 1 + 14 water
- 1+19 1 + 19 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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