they work for veg alright, i use 4" 40w but 10 tubes (5x2 bulb fixtures)for a 4'x4' space.

Tell that someone to tell someone that someone knows what they are trying to do.
dusto2k3 Reviewed by dusto2k3 on . fluorescent lights I know someone who wants to grow in a closet, and they are worried about the rise in the electric bill. What do you guys think of 25 watt 4 foot fluorescent tubes? Rating: 5