Agitation: 1st minute, then 10s every minute.
Recipes & dev times using Developer Ilford ID11
Ilford HP5+ 400 at 800 in Ilford ID11 1+1
16 minutes, 30 seconds at 20°C/68.0°F
Ilford HP5+ 400 at 320 in Ilford ID11 1:3
22 minutes (Stand developed) at 20°C/68.0°F
Ilford HP5+ 400 at 800 in Ilford ID11 stock
7 minutes, 30 seconds at 22°C/71.6°F