Rule number 1: stay away from UFO LED or those so called 8:1 ratio. Those who had bad experience may had one of these.
The real deal is 7 bands LED growlight: 730nm,660nm,630nm,610nm,460nm,440nm, warm white. One company in Toronto make 200x3W of this type of growlight: www.hippoled.com.
Since the LED yield much less heat, you need to put 35% less water and nutrition, otherwise you may see yellow leaves. During budding stage, add 2 HPS to every 10 of the 200X3W LEDs, the result will be perfect!
The real deal is 7 bands LED growlight: 730nm,660nm,630nm,610nm,460nm,440nm, warm white. One company in Toronto make 200x3W of this type of growlight: www.hippoled.com.
Since the LED yield much less heat, you need to put 35% less water and nutrition, otherwise you may see yellow leaves. During budding stage, add 2 HPS to every 10 of the 200X3W LEDs, the result will be perfect!