Kessil A360X Tuna Blue Aquarium Light: A high-performance LED reef light designed for saltwater tanks, delivering intense, evenly blended illumination across the full Tuna Blue spectrum (deep ocean blue to daylight) to promote vibrant coral growth. It features Kessil’s patented Dense Matrix LED technology for deep light penetration (24–30″ below water) and a shimmering, natural look. With advanced color control (additional red, green, and violet channels), smooth dimming including moonlight, and smart connectivity (WiFi dongle or controller compatible), the A360X Tuna Blue offers reef keepers precise, customizable lighting that enhances coral color and health.