GloFish Aquarium Gravel - Green is brightly colored aquarium gravel that wonderfully accents the color of your fish. Perfect under LED lighting, this aquarium gravel adds color to your aquarium and glows and sparkles wonderfully underwater. Easy to implement, this green aquarium gravel creates a fun tank in no time! - Green aquarium gravel - Looks great under LED lighting - Brilliant vibrant colors GloFish GloFish Aquarium Gravel - Green: 5 lbs #29023 - Aquarium Gravel & Substrates.