Recipe & dev times for Ilford FP4+ 125 in Kodak D-76 1:1

I develop in a jobo. I have a friend who is a film photography science guru as well a published author on the matter. We created a series of negatives that were then analyzed with a densitometer. After that the data was feed into some computer program he created. According to all of that testing the perfect time for that film is 8 min 30 sec. I have since shortened that by 15secs on a hunch.

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