Im new to this forum Im not very good at searching it yet, I have been looking for a half hour now on how much light Im going to need. I have a 3'8 x 2'10 growing space like 10.385 sq ft What wattage light should I use, Im going to have 2, 10 plant drip systems going. What Hps do I need 400w, 600w, 1000w?