The UNS Magnetic Refugium Light is a compact, high-performance LED designed specifically for saltwater aquarium refugiums and sump chambers. Engineered to support macroalgae growth and nutrient export, this powerful yet space-efficient light delivers targeted illumination in a sleek, waterproof design. Equipped with 105 LEDs across multiple wavelengthsâincluding white, red, blue, and violetâthe light produces a spectrum optimized for algae growth and biological filtration. Users can easily fine-tune lighting conditions using the included inline controller, which offers eight color modes, ten brightness levels, and a built-in timer with memory function for consistent photoperiods. The magnetic mounting system allows the fixture to be quickly installed on aquarium glass, sump walls, or other surfaces, providing flexible positioning without complicated hardware. Its submersible IP-rated housing and long-life LEDs rated up to approximately 50,000 hours make it a durable and efficient solution for refugium lighting. Whether you're growing chaetomorpha or other macroalgae in a sump or all-in-one aquarium chamber, the UNS Magnetic Refugium Light provides powerful illumination in a compact, easy-to-install design.