Operated exclusively through the FluvalSmart App, the Fluval Marine Nano LED (20W) is engineered to help you grow brighter, more robust corals in small saltwater aquariums. This compact reef light provides full-spectrum, Bluetooth-programmable lighting with gradual 24-hour cycles and preset habitat modes (e.g. “Sunny Reef” or “Deep Glo”), ensuring optimal nano reef conditions while satisfying natural coral and marine life lighting needs.