Maximize your tank’s daylight exposure with the Zoo Med 6，500K Ultra Sun T8 Fluorescent Aquarium Bulb. This trichromatic light brings out the vibrant colors of your carefully curated tank. It also provides balanced coverage of the full spectrum of visible light and promotes photosynthetic processes in plants and marine algae. Each bulb offers up to 10，000 hours of stunning illumination and is great for use in marine aquariums， reef aquariums and freshwater aquariums where maximum daylight simulation is required.