Continuous agitation for the first minute, then 10 seconds every minute.
Recipes & dev times using Developer Kodak XTOL
Ilford HP5+ 400 at 1600 in Kodak XTOL 1:2
21 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Kodak XTOL 1:1
12 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Kodak XTOL 1:1
12 minutes at 20°C/68.0°F
Ilford HP5+ 400 at 640 in Kodak XTOL 1+1
12 minutes at 20°C/68.0°F