GloFish Gallon Cycle LightBrighten up your aquarium with the Color Changing Cycle LED Light from GloFish. It features color changing lights that create four unique light modes to make your underwater environment more vibrant. Sunlight Mode makes the colors of your tank more vivid and Moonlight Mode makes dcor and fish fluoresce in the light. Midnight Mode makes cycle light specific products change color while Twilight Mode cycles between Moonlight and Midnight modes. Ideal for