The compact fluorescent light emulates the softer shades of blue light found at dawn, dusk and in deeper water. Provides light in the 420 nanometer range that reflects color pigments in organisms such as corals, fish and invertebrates causing them to fluoresce glowing colors. Its spectrum resembles that of the absorption peak of chlorophyll-a which is the most important pigment found in plant cells. 13" is OEM Replacement Bulb for Oceanic BioCube 14, and 16" is OEM Replacement Bulb for Oceanic BioCube 29.
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