i have both, one 4 bulb 4ftX2ft T5 , and a 1000w MH xtrasun W/ hortilux bulb(not the badass daylight blue bulb thou) anyway, im going to be vegging in a 4x4 tent whicih is going to be placed in my flowereing room, my question is,, what benefits will i gain from using my MH for veg over the T5, i was going to veg with the MH but even thou i will be venting the light out of the tent i think its still gonna get warm, so i thinking of changing my original game plan and use the MH and My HPS together for flowering and veg with the T5, what are your guys thoughts, like i said i have the option of doing it which ever way is most efficent, i have plenty of room for everything, even have a/c for the room coming in the mail, so im not too much worried about the overall temp of the room, im just worried about the temp inside the tent, soory for the long story but i wanted to be as desriptive as possible down below are the spec of the rooms and my equipment 12x12x8 room (flowering) 4x4x6.5 veg tent (1) 1000w MH A/C xtrasun w/ hortilux bulb (1) 1000w HPS A/C xtrasun w/ super sodium hortilux bulb (2) 1000w xtrasun convertible ballasts (1) 4x2 4 bulb Maxlume T5 fixture w/ grow bulbs (4) 250cfm duct booster fans ( 2 for hood A/C, 2 for intake) (1) Active air 790cfm 8" inline fan (1) AIR-4 Climate controller w/ photosensor (1) sentinel co2 valve