Those bulbs are rated at 6500k. The ones that are 26 watts that I wanted were out of stock. So until I make another home depot run, these will have to do.
I dont remember exactly, but it is massive! I am only utilitizing the top portion as a real scrubber, the bottom half I would say is more to direct the water smoothly into the sump to minimize noise. Although it does grow some algae from light spillage