That's great info, cheers Nicholas. I'll soon be trying TMAX 100 shot at 50 in Microdol-X 1:3. I've got FP4 and FP4+ (I have a lot of both) dialled in with this method, but TMAX 100 sounds like it will be really nice in Microdol-X so I'll give it a try as soon as we get some light here.