i think we'll need some more details on your setup. lighting? grow medium? strain? nutes?
from first glance, i'd say nitrogen deficiency.
GoldenGraham84 Reviewed by GoldenGraham84 on . Need help Pale Yellow leaves... help me please!!! Can someone help me i dont know what the problem is but here are 2 pictures to help if you need more info let me know ill tell you what you need to know...... oh yeah and as i pull the yellow leaves off the leaves next up turn yellow Rating: 5