Hi farm,
I am planning on building a led setup. But i cannot decide on the spectrum i want to use.
Right now i have 20 3000K 90cri, 6 4000K 80cri, 2 6500K 70cri cxb1830.
I am going to use 18 of these cobs. I am going to place them on 3 bars, 6 each bar. For inital veg i will use 1 bar. The...