Volcanic stones are the perfect addition to your fish tank or aquarium substrate, helping you create a beautiful underwater world!

• Natural material: Volcanic stones are 100% natural and safe and do not affect the pH or chemical composition of the water. They are suitable for both freshwater and saltwater environments.
• Decorative: With their beautiful natural shape, volcanic stones add a colorful and detailed element to your tank or aquarium.
• Biological filter: These volcanic stones serve as excellent natural biological filters, improving water quality, increasing oxygen levels, and reducing nitrates for a cleaner and healthier environment.
• Various uses: Volcanic stones are also suitable for rock gardens, planters, and wherever decorative stones are required.

Color: Red

Material: Volcanic stones

Size: 5-8 cm

Weight: 10 kg