Volcanic rocks are the perfect addition to the bottom of a fish tank or aquarium, helping to create a beautiful underwater world.

Natural material: Volcanic rocks are 100% natural and safe, do not affect the pH or chemical composition of the water, and are suitable for both freshwater and saltwater environments.

Decoration: With a beautiful natural shape, they offer a colorful and detailed element to the tank or aquarium.

Biological filter: These rocks serve as excellent natural biological filters, improving water quality, enhancing oxygen levels, and limiting nitrates for a clean and healthy environment.

Diverse uses: Also suitable for rock gardens, planters, and decorative stones.

• Color: Red
• Material: Volcanic rocks
• Dimensions: 1-2 cm
• Weight: 25 kg