I just bought this thing and love it! I was worried at first since you can't use the legs with most set ups. I have a glass canopy and trim around my tank so the legs won't work... however, the guys at the Aquarium Depot here in Baltimore assured me I could lay it directly on the glass without fear of heat transfer and they were right. Wow it really brightens up the tank! I also received an interesting lesson about the 2 to 3 watts per gallon rule and how really outdated it is. Needless to say, I'm pretty happy with this purchase. Now to find a decent moon light strip and I'm done!!