fuck me if I can say why this is happening....
It happens for me too on some, others pass that stage with no troubles =My entire growing career summed up lol.
Do you think you could get away with some careful foliar feeding to improve the situation?
It happens for me too on some, others pass that stage with not troubles =
I have given them BioSi + Kelpful foliars 2x/week, then more recently, actual feed soln. diluted down properly,... that has been for nowt apparently, still getting the fast fade....