Hey growmau5 I've decided to build a diy. One of yours actually, it's your 4x4 12 cob cxb3590 but I was wondering if I could add another hlg240-1050B and add another 4 cob in total. 2 stacked in between each main stack alternating 3000k and 6000k while the main stacks use 3500k. Any help would...