🌊 Dive into a world of color and glow! Perfect as a substrate or accent for your GloFish decor. Watch your tank come alive under GloFish blue LED lights. Choose from a spectrum of colors to match your unique style. Pair with GloFish plants and ornaments for a vibrant underwater world. Elevate your aquatic space with a stunning black base. 5 lbs of vibrant black gravel Variety of colors available Fluorescent under blue LED GloFish Aquarium Gravel is a 5-pound bag of solid black gravel designed to enhance your aquarium's aesthetic. It features fluorescent accents that shine under blue LED lights, making it an ideal substrate or decorative accent for GloFish ornaments and plants.