My grow room is 2'w x 4'L x 5'H and I am using 600watt hps. Is that enough light in there?
I've read here 5000 per sq ft....so 2x4=8x5=40? 5000x40=200,000 lumens?
I'm so confused......I have only half the light I need? Seems real bright in there now........
Help! What am I doing wrong...