B&WLiquid Concentrate
Zone Imaging Lab 510-Pyro
Uniquely triple-optimised for darkroom printing, alternative processes, and scanning. Staining developer that adds image density through dye stain, extending printable highlight range.
Temperature
20°C
18–24°C
Dilutions
1
Form
Liquid
Characteristics
Grainfine
Acutancehigh
Contrastvariable
Extended highlight range, staining provides additional density
Dilutions
1+100One-shot
Standard high dilution. Stand or semi-stand development.
Shelf Life
Concentrate
5+ years
Working Solution
Use immediately
One-shot use only
Often Used For
Darkroom silver gelatin printingAlternative UV-based printing (platinum, cyanotype)ScanningStand developmentExtended dynamic range
Limitations & Warnings
- Do not use acidic stop bath — destroys the stain. Use water stop.
- Not compatible with Bergger Pancro 400 (double emulsion issue)
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.
Last verified: Jan 2026Report an error