vidaXL Black Volcanic Rocks 10kg - Natural Decorative Lava Rocks for Aquariums, Fish Tanks, Gardens and Landscaping

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... - Manufacturers part number: 155325

• 【Natural Material】: Beautiful black volcanic rocks composed of 100% natural and environment-friendly components, suitable for both saltwater and fresh water aquarium environments
• 【Product Specifications】: Weighing 10 kg with sizes ranging from 10 to 30 cm, these black volcanic rocks from the brand vidaXL are sure to make a striking impression
• 【Versatile Use】: Not only for underwater habitats, these black volcanic rocks are also perfect for use in garden landscapes, planter beds and other landscaping rock applications
• 【Biological Filter Function】: Acts as an excellent biological filter, improving water quality, boosting oxygen levels and controlling nitrates for a healthier aquatic habitat
• 【Decorative Element】: Incredibly detailed and vibrant, these lava rocks add a stunning colour and textural contrast to your fish tank