I would suggest doing a little more research on LEDs before you pull the trigger on another light. Blackstars are junk, the light panels you buy from Ebay are junk, Advanced uses a generic lens which is better, but is still behind in technology and uses a standard spectrum, I also think that packing the lights so close together creates heat which speeds up deterioration.. Check out Apache, Haight, or Hydro-Grow for an actual LED light that works well and will actually last. LEDs are getting bad raps because of all the junk and poor designs that are out there right now, but LEDs ARE the future. Plasmas provide an adjustable spectrum, but uses more elec and are too expensive and dont last as long, old school HPS uses too much electricity not to mention you have to vent for heat control, replace bulbs and you still only have a limited spectrum. Im using a Hydro-Grow Penatrator Pro (a little more expensive than the Advanced) and its working better than my 600W HPS ever did and I never have to turn on the A/C as the light runs at no more than 90 degrees, not to mention it only uses around 200w total with a Par output that equals if not surpasses my 600W HPS. They use an advanced spectrum, an optcial grade PMMA Acrylic lens, and run the diodes at far less than rated for longer life and less emission deterioration and the light is of modular design, so if anything goes wrong, they can just send you a replacement part and your light is never fully down, which would be a huge problem for most of us. Oh, did I mention the advanced spectrum provided me with a lightning fast Veg, AND is flowering better than my HPS did with no switch?? Honestly, who wants to replace a light with a bunch of other lights?? Get a GOOD LED and dont waste your money on multiple lights, it kind of defeats the purpose of going LED..