Marina Earth Tones Red & Grey Aquarium Gravel helps to create a colourful aquascape in your aquarium. The gravel is epoxy-coated, which makes the gravel inert & 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 & healthy water. Key
Features: Epoxy-coated gravel safe for aquarium water. Provides optimum surface for beneficial bacteria colonization. Helps maintain clear & healthy water. Dust-free. For fresh & saltwater.
Size: 3-5 mm (0.12-0.2in) Net weight: 2kg (4.4 lb)