We need to know a few things. How often do you water, and are you using a fertilizer.its a bit hard to see, but i am talking about brown on the tips of the big leafs
Treat that girl right, it's an excellent strain. The better you treat her, the better she'll reward you in the end.thanks for the advise on the sick girl, its my first grow, and just so u know i have some good stuff to show to, i also have some jack herer, its a little