Awesome! How close do you let the canopy get to the light? I don't want to burn them, I've only got an 80" high tent and after stretching for 2 weeks, I have about 26" left between the light and the canopy, hopefully they don't stretch too much more. I think I can push it to 20 or even 18" what do you think? How are your yields? Also, have you noticed if the plants flower any faster under the 550? I read on the HLG web site that it can reduce the time in flower by up to 2 weeks, hard to believe, although the growth has been fantastic so far. This is my first led grow after years of HPS and MH. The lack of heat plus the intensity of light and low power consumption is just incredible. I am really impressed with this light and look forward to many more grows. Thank you.