I've had and currently have 16 under a 400 HPS in a 3x3 tent. Just a matter of opinion, do you want big plants or more of a perpetual harvest/sea of green?
you dont get rootbond?? because i was thinking of using 4atuos in 3gal pots in 4x4 space with 600watt hps.. Yout think i should use 1 gal pots? i got G13 PE n Dinafem RoadRunner auto...