Well guys Im not going to mislead you. It is my job to research and be informed about the quality and issues concerning all HID lights in order to effectively sell the brand that we manufacture. I've seen huge growing operations from Colorado to Washington to small sized ones. What I hear more more often than not is growers not seeing results that justify Hortilux's price tag. With that being said, I havent seen a bulb to have a flat out better color spectrum than hortilux. However, I have seen bulbs half of the price be very competitive if not better in every important category. Inexpensive bulbs like xtra sun ultra sun anything with the word sun in it also garner their fair share of negative reviews. If I was growing, I'd be looking to be in between the two. Also the best yields Ive seen have come from a three room grow, starting with 7200 CCT, moving to 4200 CCT, and finishing with 2000 CCT.