Norm, like you I also prefer Ilford films but the high price of their sheet films caused me to switch to Foma. I have used quite a bit of 5x4 Foma 200. For N-1 development I have found 7.5 minutes in Fomadon RO9 at 1:50 works well. The developer seems to suit the film. I get almost identical but slightly sharper results with ID111 at 1:2. Film rated at 100.
Agitation...you need to become a random rocker. Lift one corner up about half an inch. No more. Lower it then immediately lift another corner. Choose randomly. No pattern.
Alan
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