Take advantage of two powerful lighting technologies with the Hortilux Super Blue 600 HPS / 400 MH Lamp. Combining the growth-enhancing qualities of the MH blue-spectrum light with the bloom-promoting power of the HPS red-orange light, this dual-arc lamp takes two-way to the next level by eliminating any need to switch it out. Boasting 110,000 lumens, this dual-purpose Hortilux Super Blue can be used in any standard 1000 watt HPS lighting fixture.