Nigel, my drying temperatures are in the same range as yours, and humidity is consistently low. I would suspect that consistently high humidity might retard drying and somehow contribute to my problem, but I can't imagine that low humidity such as I have would be a problem. I have not used heating or air condidtioning in my home during the last 6 months, which is when I've been having the problem. I dry film in my bathroom, but always at least 3 hours after using the shower (i.e., I let the room dry out before processing film). I run the room's small exhaust fan while the film is drying.(posted 8739 days ago)When the film initially comes off the spool, the water is sheeting evenly.
There is a bit of curl of this film while drying, but I don't remember if it is more or less than with TMAX100 -- and the curl does not seem to be related to the drying marks.
I could try Ilford's wetting agent, though I have already tried with no success both a sudsing type (PhotoFlow) and a non-sudsing type (Edwal LFN).
Yes Sal, I realize the problem will go away when Agfa 25 does -- but I have a freezer full of the stuff which I'd like to use.
I'm going to develop some more Agfa 25 this weekend. I may try holding it in a horizonal position (edges up and down) until it dries -- see if that helps.