vidaXL Black Volcanic Rocks Natural Biological Filter for Fish Tanks, Aquariums and Landscaping, 1 2 cm Size, 25 kg

ManoMano

The volcanic rocks are a perfect 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: 1-2 cm Weight: 25 kg SKU: 155318 EU responsible party Haba Trading B.V. Mary Kingsleystraat 1 5928SK Venlo The Netherlands [email protected]

VidaXL

The volcanic rocks are a perfect 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.

Amazon

Natural Material: Composed of 100% safe, natural volcanic lava rocks that don't alter water chemistry Specifications: Available in black color, with a weight of 25 kg and a size of 1-2 cm each Filtered Water: Acts as a natural biological filter, contributing to healthier, cleaner, and well-oxygenated water Decorative Feature: Adds a stunning, detailed, and color-rich focal point to your aquarium or fish tank Versatile Use: Not just for aquariums, these black volcanic rocks are also ideal for garden landscapes and planter beds