Hi.... I use LED Grow Master Global Leds and they work great...their products seem to be improving all the time... I have a friend who uses the Leds for the whole grow. or almost..with a couple of hours a day of extra light from a hid light.... but with a small space that you cant go installing ventalation in,,the Leds work really well....with a new technology like this every year there will be major advances so you may find yourself upgrading again in a couple of years..... hope that I have been helpfull...good luck with that :^)