Volcanic stones are the perfect addition to the bottom of your fish tank or aquarium, 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, suitable for freshwater and saltwater environments.
• Decoration: With a beautiful natural shape, they add a colorful and detailed element to your tank or aquarium.
• Biological filter: They serve as excellent natural biological filters, improving water quality and enhancing oxygen levels.
• Multiple uses: Suitable for rock gardens, planters, and decorative rocks.

Color: Red

Material: Volcanic stones

Dimensions: 1-2 cm

Weight: 10 kg