Developer · Black and white
Adox ADOX Adotech IV
AvailableB&WLiquid Concentrate
Also known as: Adotech
Special low-contrast developer for ADOX CMS 20 II PRO. EI 3 to 25 is reached by changing working-solution temperature (20 to 26 C) and agitation.
- Type
- Liquid
- Process
- B&W
- Temperature
- 20°C
- Dilutions
- 1
- Shelf life
- ADOX: since Adotech III the shelf-life restrictions are gone; it lasts like a normal developer
20–26°C (68–79°F)
concentrate
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| 1+14 | One-shot | 100 ml concentrate makes 1500 ml. Do not reuse diluted solution; two films may be developed one after the other within two hours without extra time. |
Shelf life
- Concentrate
- ADOX: since Adotech III the shelf-life restrictions are gone; it lasts like a normal developer
- Working Solution
- Use within two hours; do not reuse
ADOX: 100 ml concentrate gives up to 6 films (35mm or 120) in Jobo tanks; 250 to 300 ml working solution per 35mm film. Yield may be lower in other tanks.
Development times
| Film | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| CMS 20 II PRO | 1+14 | 3 | 7m 30s | 20°C (68°F) |
| CMS 20 II PRO | 1+14 | 6 | 10m 30s | 20°C (68°F) |
| CMS 20 II PRO | 1+14 | 10 | 10m 30s | 22°C (72°F) |
| CMS 20 II PRO | 1+14 | 12 | 10m | 23°C (73°F) |
| CMS 20 II PRO | 1+14 | 20 | 11m | 24°C (75°F) |
| CMS 20 II PRO | 1+14 | 25 | 11m | 26°C (79°F) |
Full guides for ADOX Adotech IV
Often used for
ADOX CMS 20 II pictorial development
Limitations & warnings
- Designed only for CMS 20 II; ADOX gives no support for other developers with that film
- Speed is set by temperature and agitation, not by time alone
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.