Hi AFN, This will be my second Medical grow. My last grow was a Holy Grail Kush in super soil. This grow I'm doing 2 Auto's Think Different and OG Kush in coco with 15l air pots under a 600 watt HPS top feeding. I have learned a lot from Tangs journals and his KISS feeding. Seems to be a lot of great advice and friendly people on here. Glad to be a part of the AFN!