1 minute continuous gentle inversions to start, 5 inversions each minute.
Recipes & dev times using Developer Kodak HC-110
Ilford HP5+ 400 in Kodak HC-110 1+30
5 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Kodak HC-110 1:50
7 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Kodak HC-110 1+31
5 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Kodak HC-110 1:63
9 minutes at 23°C/73.4°F