These Kessil LED Refugium Grow Lights are not reef lights, but are appropriate for refugiums that often accompany reef tanks. There are no white LEDs in the Kessil Refugium Grow Lights, just blues and reds in the right proportion to stimulate the chlorophyll of plants, be it plant clones from a garden, or marine plants.ALL KESSIL LIGHTS SHIP 2-DAY AIR FOR FREE!Related Products:Kessil LED Aquarium Light PartsIKessil A500X, A160WE, A360XE & AP9X Reef Aquarium Lights.