Ok so I currently have a 1000 watt dimmable ballast that I use on the lowest level at 400 watt,ok so I bought another tent 3x3x6 Apollo,my question is t5 better or worst for veg,vs mh 400 watt,currently I looking at a 400 watt dimmable ballast,levels 200 watt,300 watt,400watt,550 watt mh and hps capable.the t5 2 footers,wither 4bulbs,or 8bulbs,if anyone has experience,please help thanks for reading Ps. My mh,lamp is air cooled