Yo it depends where you wanna grow it............If itsin some dingy litlle dark like shed.....u need a high intensity bulb well above 100watts that has a permanent power source alternatively you could do it o netural via sunlight but that takes fukin ages....if u wanna induce quick growth use tha high intensity bulb and water seed or buy an ultraviole light tha blue ones cos a nigga of mine used one of dem and it grew like a mothafucka...........jus type in weed growing in google.com u shud get results for info. Peace

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