I grew 1 crop in tents, an 8x8 and 6x10. once i ditched the tents and made one big room, that was a big improvement saw yield go up 2-3 oz per plant. Then, i made a bet... one of my old grower friends bet me if i took 6 plants away (6 lights, 1000w/ea hps) go from 24 (4 plants per light) to 18...