Marina Aquarium Grey Gravel creates a colourful aquascape in your aquarium. The gravel is epoxy-coated, which makes the gravel inert and prevents any adverse effects on water chemistry. Research shows that epoxy-coated gravel provides an optimum surface for the colonization of beneficial bacteria, which in turn provide biological filtration for clear and healthy water. Features: Epoxy-coated gravel safe for aquarium water Provides optimum surface for beneficial bacteria colonization Helps maintain clear and healthy water Dust-free For fresh and saltwater Product Details: Pet Type: Koi & Pond, Goldfish, Cichlid, Bottom Feeders, Betta, Fish Product Type: Gravel Scent: Unscented
