Yep many times..... My favorite Puppies/Black DOGI... figured seeing I've been growing this one for close to 2 years now,,, I almost have her down pat making her great for me to do this thing with. I have a Mars 1600 LED over a 4X4 footprint. And on the other side,, I got a year old 1000 watt HPS bulb,, over a 4X4 area too. With acouple plants in the overlap section.....I'm more or less running a 4X10' grow area with both lights on either side... Normally I run 2 1500 watt HPS on light rails. But I won this LED light in a photo contest, on another site I been on forever..., so why not try it? I see alot of good things grown under LEDs. And they do have acouple degrees less radiant heat flowing from them???