Developer · Black and white
Rollei/Maco Rollei Supergrain
AvailableB&WLiquid Concentrate
Also known as: Supergrain, RSG
Liquid concentrate fine-grain developer from Maco (Rollei Analog). Contains hydroquinone (under 1%). Recommended by Rollei for its RPX, Retro, Superpan, Ortho and Infrared films.
- Type
- Liquid
- Process
- B&W
- Temperature
- 20°C
- Dilutions
- 3
- Shelf life
- Not stated
20–20°C (68–68°F)
concentrate
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| 1+9 | One-shot | Maker gives 26 ml concentrate plus 234 ml water for a 260 ml tank. One-shot use is not stated by the maker. |
| 1+12 | One-shot | 21.7 ml plus 238.3 ml water for 260 ml. Rollei describes 1+12 as the typical dilution. |
| 1+15 | One-shot | 17.3 ml plus 242.7 ml water for 260 ml. |
Shelf life
- Concentrate
- Not stated
- Working Solution
- Not stated
Rollei: 500 ml of concentrate is enough for about 20 to 60 films, depending on dilution.
Development times
| Film | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| RPX 400 | 1+9 | 400 | 6m | 20°C (68°F) |
| RPX 400 | 1+12 | 400 | 7m | 20°C (68°F) |
| RPX 400 | 1+15 | 400 | 8m 30s | 20°C (68°F) |
| RPX 25 | 1+9 | 25 | 4m 30s | 20°C (68°F) |
| RPX 25 | 1+12 | 25 | 5m 30s | 20°C (68°F) |
| RPX 25 | 1+15 | 25 | 6m 30s | 20°C (68°F) |
| RPX 100 | 1+9 | 100 | 5m 30s | 20°C (68°F) |
| RPX 100 | 1+12 | 100 | 6m 30s | 20°C (68°F) |
| RPX 100 | 1+15 | 100 | 7m 30s | 20°C (68°F) |
| RPX 100 | 1+7 | 200 | 8m | 20°C (68°F) |
Showing 10 of 36 entries.
Often used for
Fine grain with high edge sharpnessCompensating developmentRollei RPX and Retro films
Limitations & warnings
- Rollei gives times at 20 C only
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.