we are going to need some details to be able to help you. how long has it been flowering? looks like it still has a ways to go. plenty of info about harvesting and curing on the board though... do a search..
As far as lights go, this one is purely desert sun inside a 75 degree house. I religiously put her in the dark room at 6 pm and pull her out at 6 am. My supplier says they are GH seeds(greenhouse).