Ilford ID‑11 Film Developer — Fine Grain Black & White Film Developer (1 L Powder)
The Ilford ID‑11 Film Developer is a widely respected, industry‑standard developer designed for black & white film processing when fine grain, full speed and tonal quality are required. Supplied as a powder concentrate to make a 1‑litre stock solution, it can be used at stock strength or diluted (1+1 or 1+3) depending on your workflow.
ID‑11 produces excellent results across all film formats, making it ideal for hobbyists, lab users and professionals working with deep tanks or hanger systems. With a reputation for reliability and versatility, it remains one of the top choices for developing black & white negative film.
Key Features
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Powder concentrate to prepare 1 litre stock solution.
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Fine‑grain developer for black & white negatives without loss of emulsion speed.
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Suitable for use in spiral tanks, deep tanks and dip & dunk (hanger) processors.
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Dilution options: stock, 1+1, 1+3 — longer times at higher dilution for increased sharpness.
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Processing times: e.g., at 20 °C (68 °F): For DELTA 100 (EI 50) approx. 7 min at stock strength; for DELTA 400 EI 400 approx. 7 min stock, 10½ min at 1+1.
Technical Specifications
| Specification | Detail |
|---|---|
| Product name | Ilford ID‑11 Film Developer |
| Format / Volume | Powder concentrate making 1 litre stock solution. |
| Base chemistry | Metol–Hydroquinone (Borax type) developer. |
| Usage | All black & white negative films; general‑purpose fine‑grain developer. |
| Dilution options | Stock (undiluted); 1+1; 1+3. |
| Typical processing times (20 °C / 68 °F) | Example: DELTA 100 EI 50 — 7 min at stock; 10 min at 1+1; 15.5 min at 1+3. DELTA 400 EI 400 — 7 min stock; 10.5 min at 1+1; 18 min at 1+3. |
| Tank capacity | 1 litre stock solution will process approx. 10 rolls of 35mm/120 film (stock strength). |
| Storage / shelf life | Unopened stock solution (when mixed) ~6 months; once diluted should be used as “one‑shot”. |
| Storage & handling | Powder must be mixed with water per instructions; protect from dust and moisture. |
| Safety / hazard info | See SDS: Contains Hydroquinone etc. Use gloves/eye protection and follow chemical handling guidance. |