Agitate the whole first minute, then agitate for 30 seconds every minute, rap...
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Kodak T-Max 100 at 80 in Agfa Rodinal 1+100
1 hour (Stand developed) at 20°C/68.0°F
Ilford XP2 400 at 1600 in Kodak HC-110 1+49
18 minutes at 20°C/68.0°F
Ilford XP2 400 at 200 in Kodak HC-110 1+49
4 minutes at 20°C/68.0°F
Kodak Tri-X 400 in Ilford Microphen 1:3
26 minutes, 20 seconds (Stand developed) at 20°C/68.0°F