hi former hps grower with good yield 650g dry top buds from 850W in 3x3, now i changed to led and and i have two tents is 4x4 each, in one tent i have 2x300W led,1x450W led,1 192x5 mars reflector. my true wattage is 1000W of led , i want to yield like 1200g so how many true wattage i need for 4x4 and 1000W not over kill in this area? 1000 hps good for this area so if i pot ture 1000W what is the difference.