🌞 Light Up Your Underwater World! With only 18 watts, save on energy costs while enhancing your aquarium's beauty. Experience vibrant aquatic life with a balanced full spectrum daylight lamp. Enjoy up to 10,000 hours of effective illumination, reducing the need for frequent replacements. Create a thriving environment for your freshwater fish and live plants. Join a community of passionate aquarists who trust Zoo Med for their aquatic needs. 10,000 hours lifespan 18 Watts power 5500K Spectrum The Zoo Med Tropicsun 5500K Daylight Bulb is a high-performance aquarium light designed to simulate natural sunlight, providing optimal conditions for freshwater fish and live plants. With a lifespan of up to 10,000 hours and an energy-efficient 18-watt design, this bulb is the perfect choice for aquarists looking to enhance their aquatic environments.