i grow 8 under the 1000 hps. I was doing some math. Check this out. T5s put out 40,000 lumens at the light and you can pretty much set them ontop of the plant (not much heat) so i grow in a 2ftx4ft. thats 8 sqft = 5000 lumes per sqft. 1000 watt hps @ 2ft is 35,000 lumens = 4375 lumens per...