Developer · Black and white
Adox XT-3
AvailableB&WPowder
Ascorbic acid based, hydroquinone-free and borate-free, with a biodegradable complexing agent. ADOX CAPTURA technology means each bag dissolves in 2 to 3 minutes. Adox says the developing times and curves are identical with Xtol made before 2019.
- Type
- Powder
- Process
- B&W
- Temperature
- 20°C
- Dilutions
- 2
- Capacity
- 10
- Shelf life
- Unopened powder at least 2 years after the production date
18–24°C (64–75°F)
rolls per litre
concentrate
Characteristics
GrainFine, level 1 of 3
AcutanceHigh, level 3 of 3
ContrastNormal, level 2 of 4
Full box-speed negatives, high sharpness and very fine grain (Adox's description)
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| stock | Replenishable | Reusable; Adox says after the 5th film add 1 minute to the development time for each following film, and gives a replenisher of about 80 to 100 ml. |
| 1+1 | One-shot | One-shot use; Adox says the time is extended by about a factor of 1.5, with dedicated 1+1 times available. |
Shelf life
- Concentrate
- Unopened powder at least 2 years after the production date
- Working Solution
- Mixed stock solution at least 6 weeks, up to 6 months depending on storage and use
Adox: 1 litre of mixed solution is enough for 10 films; stock reuse up to 10 rolls per litre.
Often used for
Full box-speed negatives with high sharpness and very fine grain (Adox)Borate-free, hydroquinone-free developingXtol-equivalent times
Limitations & warnings
- Powder mixing required
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.