regular time 6min@20C (HP5+ datasheet) R09 one shot recommendation 8min@20C...
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Ilford HP5+ 400 in Agfa R09 One Shot 1:25
6 minutes, 30 seconds at 19°C/66.2°F
Ilford FP4+ 125 at 100 in Rollei D74 1:15
4 minutes, 15 seconds at 20°C/68.0°F
Ilford HP5+ 400 in D76 1:1
13 minutes at 20°C/68.0°F