The aqualine 10000 lamp has a colour temperature of 14,000 Kelvin and a high percentage of the light output is at the blue end of the spectrum. aqualine 10000 wa sthe first metal halide lamp to simulate the light conditions of a coral reef and the new lamp with an improved getter gives long-term colour stability and results is an even more realistic looking aquarium. The corals show their natural colours, and the lighting encourages excellent growth.