Estes Stoney River Premium Aquarium Sand Blue 5 lb offers vibrant color and safe functionality for both freshwater and saltwater aquariums. This pH-neutral, non-toxic substrate is perfect for aquarists who want to add visual impact without compromising water quality. The fine grain size promotes excellent water circulation and resists debris accumulation, making tank maintenance easier. Pre-washed for convenience, Estes Stoney River Premium Aquarium Sand in blue is an ideal choice for enhancing aquatic landscapes while supporting the health of fish, invertebrates, and plants alike.