Mount
Well-Known Member
Jus to add to the confusion, watts and lumens are two different things, focus on lumens and you can grow anything...
for cfl's:
for cfl's:
In a nutshell…
Lumens per square foot:
Minimum amount of lighting needed is around 2000 lumens per square foot.
(Two – 23 watt CFL’s, per square foot*)
Mid range is around 5000 lumens per square foot.
(Three – 23 watt CFL’s, per square foot*)
Optimal is 7000-7500, or higher, lumens per square foot.
(Five – 23 watt CFL’s, per square foot*)
http://www.growmedical420.com/how-many-lumens-or-watts-per-square-foot-of-light-do-i-need/
or http://www.growweedeasy.com/cfls... HAPPY GROWING...