Developer
| Film | ASA | Pull/Push | Ratio | Developer | Time |
|---|---|---|---|---|---|
| Ilford HP5+ | 400 | -1 (200) | 1+2 | Perceptol | 14.5 |
| Ilford HP5+ | 400 | 0 | 1+3 | Perceptol | 25 |
| Ilford HP5+ | 400 | 0 | 1+4 | DD-X | 9 |
| Ilford HP5+ | 400 | 0 | 1+50 | Rodinal | 11 |
| Ilford FP4 | 125 | 0 | repl ¹ | xtol | 15.5 |
Instructions
- Add developer
- Start timer
- Four inversions first 10 seconds
- Four inversions first 10 seconds start of each subsequent minute
- Drain off developer 10 seconds before the end of development time
- Drain to dispose safely
n.b. when mixing stock solutions with water these are known as one-shot solutions; they should not be reused with subsequent rolls