MedicinalMyA$$
Well-Known Member
Common usage is 480W min to 600W+, 30-40W per ft2How many watt do you recommand for a 4x4ft flower cycle?
I think that its better to wait till I found a solution and buy like 30 pcs of SL-B8U7N90L1WW.. than buy those and have less efficiency and more expensive.
LEDGardener has build plans, parts list etc...