Just a quick thank you for the cxa information posted here (supra and others). My diy was 2x CXA3070 @50w (one 4000k one 2700k) plus a few 110lm/w bulbs from osram for a total of 150 watts. I got about 1g/w (dry), vegging 4 weeks. The seeds were nothing out of the ordinary (dinafem og kush and...
http://www.aliexpress.com/item/CREE-XLAMP-CXA3070-3000K-LED-chip-COB-37V-single-MAX-power-70-117W-High-CRI-9000LM/1975368271.html
just received, except they are 10x CXA1304 ! I need to get a refund now....