VidaXL Black Volcanic Rocks 10kg - Natural Decorative Lava for Aquariums

These volcanic lava rocks are a natural addition to fish tanks and aquariums, designed to enhance the underwater landscape while supporting a healthy aquatic environment. They are 100% natural and safe, with no adverse effect on water pH or chemistry, making them suitable for both freshwater and saltwater setups. The rocks feature beautiful natural shaping that adds color, texture, and a focal point to your tank. In addition to decoration, they function as a natural biological filter, helping to improve water quality, boost oxygen levels, and help control nitrates for a cleaner, healthier habitat. Their versatility extends beyond the aquarium, as they are also suitable for garden landscapes, planter beds, and other landscaping rock applications. Each piece weighs 10 kg and ranges from 10 to 30 cm in size, with a distinctive black color and volcanic rock composition that blends with various aquascape styles.

Key features

• 100% natural volcanic lava rocks for aquariums
• Safe, pH-neutral and suitable for freshwater and saltwater
• Natural shaping creates a colorful focal feature in tanks
• Acts as a biological filter to improve water quality
• Also suitable for gardens, planter beds, and landscaping