400watt would be nice for that size box. Start looking up some info on LST and other useful ways to keep you plants shorter. The sticky's are amazing:hippy:
jtsik330 Reviewed by jtsik330 on . Grow Box Setup help needed please Hi All, I am new to the site and am in need of some advice.. ok well alot of advice. I am looking into starting my own personal little crop. i have a box that i want to use the size is 4 ft tall X 3 ft long X 2.5 ft wide. What would be the optimal amount of light needed and what size light i.e 250 W HPS. What would be best for controlling the heat in the box like would i use a standard fan as i have seen a few people doing this on different sites. How many plants would be best foir Rating: 5