your understanding of kelvin degrees is right Totalpain. on one of these pages i've put the specs of the bulbs i use..

and ya, phish there is a fan in there.. before i had it just slightly behind it, but now i've actually got it on a timer inside the grow box.. it shuts off for an hour every 2-3 hours.
BobBong Reviewed by BobBong on . whats the deal with compact fluorecents? :confused: compact fluorecents- how many of these to use...in say a 20"x48" space in a flowering chamber say... 52 inches in height...thoughts please... anyone ever use these to flower??? anyone ever use reptile basking lights? thoughts and opinions please... peace-420-I'm out! :) Rating: 5