The minimum you should have is 2500 lumens per plant or sq. ft. We should be aiming for at least 10,000 lumens per plant or sq. ft.

And they can be however tall you want them to be. Bigger plants mean more bud when you flower.
Opie Yutts Reviewed by Opie Yutts on . T5 ventalation i just returned my 250w mh conversion and hps kit because i am seriously thinking about getting a kick ass t5 light.i have all my nutes and a place to grow them which will probaply be a store cabinet or one that ill build myself.I dont have an exact size cabinet that i want to build but i know i want to have maybe 6 to 8 plants all together.Okay my question is if im gonna be using a t5 in a cabinet would it be alright to just have a pc fan at the bottom of the cabinet for intake air?Im gonna Rating: 5