[Q.G.]

As I said QG, what amazes me is why one roll has no marks whatsoever and the other one has plenty of them. But I agree with that one in the top of another can be the problem.

It's not a problem, but (together with too little fluid and too much photoflo in the tank) the explanation.

The top edge of the film on top will not have been submerged, but sitting in among the froth produced by the 'agitated' photoflo.

I ussually use 2ml of photo flo for each liter. But, again, it can pe a processor error. Well, I´ll send them to Ilford anyway. Just to be sure what is going on.

That's a lot...