yes youcan. you just need alot of them. i am using a 150w 79000 lume vfl on mygrow. myplants are doing good. on is startingto auto flower. i still need to get my flower chamber built. will proble use cfl's to flower too. have an idea on getting lots of light to my flowering plant

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give me a + to rep if my infomation helps may you be cursed with many buds