Iron and Mag. deffeciency. My soil was acidic, ph being 4.0, so I dolomite limed, checked later and it was 6.0ish. I will try more dolomite lime I guess. Being my second grow, 1 female outta 7 bagseeds. The other 6 were sativas and 90% were male. I got sum better bagseeds now plus sum Papaya, and Bubblicious from Nirvana.