Hey everyone I am a long time grower , I used to use 4 1000w Mh and then Hps in a 12x12 grow room , But now I'm using 4 PPF-800 leds in a 8x8x6 custom made tent with maylar. Everyone told the leds wouldn't work but they WORK !!!!!!! I will post some pics as soon as I get some more batteries for...