When you say cut back, what do you mean? Cut back the lights, nutes, trim nodes?

If you meant trim, I would cut off the lower half growth of that plant and not the center branch.
SCIENTIXT Reviewed by SCIENTIXT on . Cutting back I have attached a picture. How far can I cut this thing back. As you can see, I have 4 Afghani veging with it. It was started about 3-4 weeks before the little ones. Rating: 5