25:00 min. development in Ilford Perceptol 1+3 at 20C; 60 sec initial agita...
Recipes & dev times using Developer Ilford Perceptol
Ilford HP5+ 400 at 250 in Ilford Perceptol stock
13 minutes at 20°C/68.0°F
1 full minute of rotation initially and 1 inversion every 30 seconds subseque...
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Ilford HP5+ 400 at 320 in Ilford Perceptol stock
12 minutes at 20°C/68.0°F
Ilford HP5+ 400 at 320 in Ilford Perceptol 1:3
20 minutes at 20°C/68.0°F
Ilford HP5+ 400 in Ilford Perceptol Stock
11 minutes at 20°C/68.0°F