vidaXL Red Volcanic Lava Rocks 10-30 cm - Decorative Stones for Aquarium and Garden Landscape, Natural Bio-filter Stones, 10 kg pack

The volcanic rocks are a perfect addition to the bottom of your fish tank or aquarium, helping you create a beautiful underwater world! Features: Natural material: The volcanic lava rocks are 100% natural and safe which won t affect water's pH or chemistry and are suitable for both fresh and saltwater environments Decoration: With beautiful natural shaping, the lava rocks provide a colourful and detailed focal feature to your fish tank or aquarium Biological filter: These volcanic stones make for great...