2 hours (Stand developed) at 16°C/60.8°F
Used 8ml of developer per roll.
Pre-Soak for 5 minutes at 16ÂºC.
Semi-stand developing for 2 hours in 16ÂºC.
Invert 15 times at start.
Twirl & inversion per every 30 minutes.
Edit: Fine grain, Eye measured true speed is somewhat closer to ISO 800-1600.