For starters, you are using CFL's, which means less penetration. You say lights are at 12/12, when did you start that? I cant help but notice that your plant looks very thin and strechy, what strain type is is, Sativa, indica, or hybrid (X% Sativa, Y% indica)? Also, when you have a lights like CFL's that far away your plant won't bulk up and will stretch to reach the light. If you had had them closer from the beginning, there is a possibility that you could have had a slightly shorter, but bulkier plant depending on strain. As it stands right now you