The GloFish 6 Inch Blue LED Light can be added on to any framed aquarium up to 10 gallons. Switch between white lighting and blue LED lighting to enhance the colors of your aquarium. Transform your aquarium in moonlight mode (blue LED lights on) to make GloFish décor and fish fluoresce even more brilliantly. This LED light works with any light hood or glass canopy. Use one for 5 to 10 gallon aquariums or two for 20 to 55 gallon aquariums. This unique light changes the viewing experience of your GloFish décor and enriches the colors of your fish in bold and exciting ways. The quick install helps make it easy and convenient to make any aquarium a GloFish aquarium. Born Brilliant®. GloFish fluorescent fish are born with their dazzling colors! They get their vibrant hues from their parents and are not injected painted or dyed. Enhanced by a full range of aquarium kits lighting décor and accessories GloFish products create a complete underwater fluorescent experience that appeals to all ages and levels of expertise.