Arcadia marine metal halide bulb 150w 14 000k double ended metal halide lamps provide extremely high light levels from a compact sourcer the design 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 lampsr r 14 000 k colour temperature replicates shallow ocean light conditionsr high intensity light source supports coral growthr use alone or combine with 20 000k marine bluer marine w