Anemoneman
Aquarium Advice Addict
hellolights has a 400W Iwasaki 6500K for $58. They say it has an E40 base but I don't think so. An E40 is 70mm (European) and regular MH are E39 (39mm) I think. Does anyone use Iwasaki bulbs? What size base do they use? Specifically it's their Color Arc 6500K Metal Halide.
Mark
Mark