True 20,000K. Ideal Choice for Deeper Marin Life. Emits an intense, Vibrant Actinic Blue light with high spikes in the 420nm range. Simulates sunlight at ocean depths of 12-25 feet. Promotes the development of photosynthetic plants, anemones and coral. Intensifies the natural fluorescence in fish, coral and marine life. 1 in. W x 6.25 in. L x 1 in. H. Metal Halide the best lighting for your aquarium supplies the most concentrated light intensity, color spectrum and wavelength essential for photosynthesis and coral health. Powerful enough to reach the lower depths of your aquarium with the same intensity
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