Developer · C-41 colour
Adox Adox C-TEC 41
AvailableC-41Processing KitBlix
Also known as: C-TEC 41, CTEC
ADOX C-TEC 41 is a three-bath C-41 kit: colour developer, bleach-fix and stabiliser. ADOX says it works at 38 C or 30 C, and gives a usable range of 24-38 C.
- Type
- Kit
- Process
- C-41
- Temperature
- 38°C
- Dilutions
- 1
- Capacity
- 16
- Shelf life
- Opened concentrate: developer 12 weeks, bleach-fix and stabiliser 24 weeks. Unopened shelf life not stated (ADOX).
24–38°C (75–100°F)
rolls per litre
concentrate
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| stock | Replenishable | Six concentrate bottles of 200 ml mix into three baths: colour developer (3 parts), bleach-fix (2 parts) and stabiliser. Partial mixing tables are given. |
Shelf life
- Concentrate
- Opened concentrate: developer 12 weeks, bleach-fix and stabiliser 24 weeks. Unopened shelf life not stated (ADOX).
- Working Solution
- Mixed solutions in full airtight brown bottles: developer up to 6 weeks, bleach-fix and stabiliser 24 weeks (ADOX)
ADOX: up to 16 rolls of 35mm or 120 per kit, which makes 1 litre of each bath. Bleach-fix is the limiting factor. ADOX advises at most two rolls in a tank at a time.
Development times
| Film | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| Portra 400 | stock | 400 | 3m 15s | 38°C (100°F) |
| Portra 400 | stock | 800 | 3m 45s | 38°C (100°F) |
| Portra 400 | stock | 1600 | 4m 15s | 38°C (100°F) |
| Portra 400 | stock | 400 | 8m | 30°C (86°F) |
| Portra 160 | stock | 160 | 3m 15s | 38°C (100°F) |
| Portra 800 | stock | 800 | 3m 15s | 38°C (100°F) |
| Ektar 100 | stock | 100 | 3m 15s | 38°C (100°F) |
| Gold 200 | stock | 200 | 3m 15s | 38°C (100°F) |
| Ultramax 400 | stock | 400 | 3m 15s | 38°C (100°F) |
| ColorPlus 200 | stock | 200 | 3m 15s | 38°C (100°F) |
Showing 10 of 17 entries.
Often used for
Home C-41 processingTetenal Colortec replacementStandard colour negative work
Limitations & warnings
- Blix-based (less archival than separate bleach/fix)
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.