yea well i let them grow to big as i was trying to wait in veg to show sex i waited 9 weeks and still no sign so i switched to flower and said fuck it i'll get a mother next time so i planted sum more and found 2 good fems i'll make mothers now 1 is ww the other is ice so im good for now.im looking at 1 to 2 lbs dry by the time im done on this one theres so much growth oh yea btw i drain my res last nite and dropped the ppms to 1100 so today i checked and all seems fine still and i have'nt seen anymore yellow leafs so i don't know what it was ...