vidaXL Black Volcanic Rocks Lava Accent Stones Beads - Natural Aquatic Tank Decor Material for Fresh and Saltwater Environments

• 【Natural Material】: These volcanic rocks are 100% natural making them safe for propagation in both fresh and saltwater environments for various species
• 【Aquarium Decor】: Enhance the aesthetics of your fish tank with our black lava rocks that provide a colorful and detailed focal feature
• 【Generous Quantity】: Available in a 25 kg package, providing ample quantity to cover a sizeable area in any application
• 【Versatile Applications】: Suitable for a variety of landscaping applications including garden landscapes, planter beds, and aquariums
• 【Biological Filtration】: Acts as a natural biological filter that improves water quality, augments oxygen levels and controls nitrates, contributing to a healthier habitat

Product description The volcanic rocks are a great addition to the bottom of your fish tank or aquarium, helping you create a beautiful underwater world! 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 natural biological filters that improve water quality, boost oxygen levels, and control nitrates for a cleaner and healthier habitat. Wide applications: The volcanic rocks are also suitable for garden landscapes, planter beds, and other landscaping rock applications. Colour: Black Material: Volcanic rock Size: 10-30 cm Weight: 25 kg Directions Used as intended