Response to pmk and rollo pyro with hp5+ and delta 100

I had never heard of Rollo Pyro, but I did a search on the internet and came up with some information. It is specially formulated for use with Jobo tube processors.

Part A: 400ml Distilled water 7.5g Metol 10g Sodium bisulfite 75g Pyrogallol 5g Ascorbic acid (Vitamin C) 7.5ml Potassium bromide solution (10%) (equal 0.75g) 2.5g EDTA-Na4 add water to make 500ml

Part B: 950ml Distilled water 150g Sodium metaborate

Working solution: 2 Parts A + 8 Parts B + 100 Parts water Some developing times at 220C (rotation speed 25 rpm): FP4+ (6.0 min) HP5+ (6.5 min) TMax100 (6.5 min) Lotus/Bergger BPF200 (6.5 min)

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