depends how many plants u gonna have. id say 2 of those bulbs per plant
klondike_bar Reviewed by klondike_bar on . how many cfls? and how many hps? hi! well im new to growing and im gonna start in my closet... i was wondering if any 1 would help me out and let me know how many lights i would need.. my closet is.. 5 feet 6 in. wide 5 feet 4 in. in height and 2 feet 2 in. in depth i was thinking of starting out with cfls to veg and i wanted to use 42 watt cfls and i was wondering how many u think i would need for this space.. Rating: 5