Recipe & dev times for Kodak Tri-X 400 at 200 in Photographers' Formulary Pyro PMK 1+2+100


Medium Format


11 minutes at 21°C/69.8°F

Recipe Id



10 Inversions, followed by one quick inversion every 15 seconds. Rinse, Stop, Fix with non-hardening fixer, then stained in spent developer for 2 1/2 minutes with 3 inversions every 30 seconds.

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