We're rocking really similar setups. I also have a 3x3 for veg and a 4x4 for flower. 600w hps in the 4x4 and like 250w of t5ho in the veg tent. Although Im aiming to get into cob setups for both this year. My first grow was a 400w in my 3x3. I scrogged 4 plants and ended up with 13oz dry. That wattage is perfect for a 3x3 imo, but remember they'll also have more vigorous growth. Take that into consideration w the perpetual
Different sized plants in small spaces dont always get along. LST and supercrop like a mofo! I wanna try mainlining + lst soon as well. Having to worry about height is a bitch so we have to resort to short/squat/chunky bitches. Keep us informed! What strains you wanting to start running for the perpetual?