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Pls pls s,body HELP me. Ive planted my seedlings a week ago, there now3 inch tall. Using 5000 lumens-area- W3foot/lengh4foot and height 5foot. Can anybody tell me what hours I should have my CFL on for. They are photo sensensitive. Do I leave them on a constant 24/24 or18/6 or 12/12, Pls help...