Ilfotec DD
B&W developer
Liquid concentrate
In production
Development times
| Film | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| Pan F Plus | 1+4 | 25 pull 1 stop | 24.0 °C | 4:30 | Machine — continuous | |
| Pan F Plus | 1+4 | 50 | 24.0 °C | 5:30 | Machine — continuous | |
| FP4 Plus | 1+4 | 50 pull 1.25 stops | 24.0 °C | 7:00 | Machine — continuous | |
| FP4 Plus | 1+4 | 125 | 24.0 °C | 8:30 | Machine — continuous | |
| FP4 Plus | 1+4 | 200 push 0.75 stops | 24.0 °C | 11:30 | Machine — continuous | |
| Ilford Delta 100 Pro | 1+4 | 50 pull 1 stop | 24.0 °C | 8:00 | Machine — continuous | |
| Ilford Delta 100 Pro | 1+4 | 100 | 24.0 °C | 9:30 | Machine — continuous | |
| Ilford Delta 100 Pro | 1+4 | 200 push 1 stop | 24.0 °C | 12:30 | Machine — continuous | |
| Ilford HP5+ | 1+4 | 400 | 24.0 °C | 7:00 | Machine — continuous | |
| Ilford HP5+ | 1+4 | 800 push 1 stop | 24.0 °C | 10:00 | Machine — continuous | |
| Ilford HP5+ | 1+4 | 1600 push 2 stops | 24.0 °C | 14:00 | Machine — continuous | |
| Ilford HP5+ | 1+4 | 3200 push 3 stops | 24.0 °C | 18:00 | Machine — continuous | |
| SFX 200 | 1+4 | 200 | 24.0 °C | 8:30 | Machine — continuous | |
| SFX 200 | 1+4 | 400 push 1 stop | 24.0 °C | 11:30 | Machine — continuous | |
| SFX 200 | 1+4 | 800 push 2 stops | 24.0 °C | 14:00 | Machine — continuous | |
| Delta 400 Professional | 1+4 | 200 pull 1 stop | 24.0 °C | 6:00 | Machine — continuous | |
| Delta 400 Professional | 1+4 | 400 | 24.0 °C | 7:00 | Machine — continuous | |
| Delta 400 Professional | 1+4 | 800 push 1 stop | 24.0 °C | 10:00 | Machine — continuous | |
| Delta 400 Professional | 1+4 | 1600 push 2 stops | 24.0 °C | 13:00 | Machine — continuous | |
| Delta 400 Professional | 1+4 | 3200 push 3 stops | 24.0 °C | 14:00 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 400 pull 3 stops | 24.0 °C | 8:00 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 800 pull 2 stops | 24.0 °C | 8:30 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 1600 pull 1 stop | 24.0 °C | 9:30 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 3200 | 24.0 °C | 10:30 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 6400 push 1 stop | 24.0 °C | 13:30 | Machine — continuous | |
| Delta 3200 Professional | 1+4 | 12500 push 2 stops | 24.0 °C | 19:00 | Machine — continuous | |
| Ortho Plus | 1+4 | 80 | 24.0 °C | 5:30 | Machine — continuous | |
| Pan 100 | 1+4 | 50 pull 1 stop | 24.0 °C | 6:00 | Machine — continuous | |
| Pan 100 | 1+4 | 100 | 24.0 °C | 7:00 | Machine — continuous | |
| Pan 100 | 1+4 | 200 push 1 stop | 24.0 °C | 10:00 | Machine — continuous | |
| Pan 400 | 1+4 | 200 pull 1 stop | 24.0 °C | 5:00 | Machine — continuous | |
| Pan 400 | 1+4 | 400 | 24.0 °C | 6:00 | Machine — continuous | |
| Pan 400 | 1+4 | 800 push 1 stop | 24.0 °C | 8:00 | Machine — continuous | |
| Pan 400 | 1+4 | 1600 push 2 stops | 24.0 °C | 11:00 | Machine — continuous | |
| Pan 100 | 1+4 | 50 pull 1 stop | 24.0 °C | 6:30 | Machine — continuous | |
| Pan 100 | 1+4 | 100 | 24.0 °C | 7:30 | Machine — continuous | |
| Pan 100 | 1+4 | 200 push 1 stop | 24.0 °C | 9:30 | Machine — continuous | |
| Pan 200 | 1+4 | 100 pull 1 stop | 24.0 °C | 4:00 | Machine — continuous | |
| Pan 200 | 1+4 | 200 | 24.0 °C | 7:00 | Machine — continuous | |
| Pan 200 | 1+4 | 400 push 1 stop | 24.0 °C | 12:00 | Machine — continuous | |
| Pan 400 | 1+4 | 400 | 24.0 °C | 7:30 | Machine — continuous | |
| Pan 400 | 1+4 | 800 push 1 stop | 24.0 °C | 10:00 | Machine — continuous |
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.
Help keep it right
Suggest a time or report a mistake.
Know a time for Ilfotec DD that is missing here, or spotted one that is wrong? Tell us, with the source, and a curator will check it.
- Sources only. We publish a time only when it has been read off a primary source: the maker’s datasheet or chart. A link to it is what lets us check yours.
- Nothing goes up by itself. Every report is read by a person before anything on the page changes.
- No account needed. Your name and email are optional, and only to reply to you.
0 reviews
Written by photographers, under their own profile — so you can see what they shoot before you weigh what they say.