vidaXL Natural Volcanic Rocks - Black Lava Accent Stones Beads Perfect for Aquariums, Fish Tanks, and Landscaping - 10kg

• 【Biological Filter】: These stones act as natural biological filters, improving the water quality, increasing oxygen levels, and controlling nitrates for a healthier habitat
• 【Stunning Decoration】: The black lava stones add color, personality, and natural beauty to your fish tank or aquarium, enhancing the overall aesthetics
• 【Versatile Applications】: Not just for aquariums, these rocks are also ideal for garden landscapes, planter beds, and other landscaping rock applications
• 【Specifications】: The product contains black volcanic rocks weighing 10 kg, with a size range of 5-8 cm, perfect for various applications
• 【Natural Material】: These Volcanic rocks are 100% natural, safe, and unaffected by water's pH or chemistry, suitable for fresh and saltwater aquariums

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: 5-8 cm Weight: 10 kg Directions Used as intended