has anyone ever tried using a earthbox

Just recieved my earth box in the mail and just wondering if anyone has ever tried using one? Go to www.eathbox.com if you are interested or want to get a better understanding of what a eath box is.

Says that you can grow 2 tomato plants in it i was just wondering how many autoflowers you think i could put in there without root bounding them or having them fight for light the dimensions of the EarthBox are 29" L x 13.5" W x 11" H.

Plan on stacking another rubbermade container on to top of it what kind of lighting would you suggest for around $50 for that size of a grow.

would two little desk fans work? one blowing in fresh air from a hole in the lid of the top rubbermade and one inside at plant level
 
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