Hi All:
I have a 4 x 4 with a Cali Lightworks Solarstorm 440. Just completed first grow with this setup. Quality was excellent but yield was poor. I would like to build a square "donut" shaped COB array with Vero 29's.
I am thinking 8 COBS--- 1 each in the 4 corners and one each at 12, 3,6...