400 watt 6,500K Iwasaki (vertical mount only) replacement Metal Halide bulb.

This item is a special order item only.

The Iwasaki 6500K metal halide bulb is a full-spectrum Daylight bulb. It offers excellent light intensity, but will be slight yellow-green in coloration. A great bulb to achieve fast growth. This 150W bulb will work with a standard magnetic ballast or electronic ballast. It is great for reef tanks up to 22" deep.