Arcadia marine metal halide bulb 250w 14 000k double endedmetal halide lamps provide extremely high light levels from a compactsource thedesign of the lamp means that the light is emitted from a single point which creates a rippling effect through the water that is impossible to achieve with fluorescent lamps 14 000 k colour temperature replicates shallow ocean light conditions high intensity light source supports coral growth use alone or combine with 20 000k marine blue