yes i saw that to , where that big cola growing ina 32oz plastic cup with a little hole in the bottom. he had his little area maxed... i'm jus doing 14 plants in 3.5 gal. buckets in the garage under one air cooled 600 and 16 in the closet under air cooled 600. a 250MH for mothers. out of 30 plants i should get 3 pounds of probably the strongest imaginable,,, every 90 days or less usually less..do the math,lol.2 lites is plenty for me , .i also runa local business for some time.may turn this den into a growroom, thinkikin about it, 1000 sqare foot 9 ft ceiling . this house is very long . the den is in the furtherest . its a add on.may con vert to grow room running 4 more 600s. with one high vol vortex fan for 4 ,vent into the attic where odor control taking place.will see soon.its a 5 bdroom house.