30 seconds initial agitation, then 10 seconds a minute after that
Recipes & dev times using Film Kodak Tri-X 400
Kodak Tri-X 400 at 800 in Kodak HC-110 1+31
8 minutes, 30 seconds at 20°C/68.0°F
Kodak Tri-X 400 in Kodak HC-110 1:47
6 minutes, 30 seconds at 20°C/68.0°F
Kodak Tri-X 400 in Kodak HC-110 1+31
6 minutes at 20°C/68.0°F
Kodak Tri-X 400 in Kodak HC-110 1+63
8 minutes, 25 seconds at 21°C/69.8°F