K kensou Active Member Mar 21, 2009 #1 okay hi all. are 4 x 400HPS lamps enaugh for 3 x 4m room. tnx in advance
RandyRocket Well-Known Member Mar 21, 2009 #2 I use 1 430 watt light in a 4' x 4' room with sae units to metric I'm 1/3 the area. So I'd say 4 would about do it. Picture of my room
I use 1 430 watt light in a 4' x 4' room with sae units to metric I'm 1/3 the area. So I'd say 4 would about do it. Picture of my room