Volcanic stones are an ideal addition to the bottom of a fish tank or aquarium, creating a beautiful underwater world.

• Natural material: Volcanic stones are 100% natural and safe, without affecting the pH or chemical composition of the water, suitable for fresh and saltwater.
• Decoration: With a beautiful natural shape, volcanic stones offer colorful and detailed elements to your tank or aquarium.
• Biological filter: They are excellent natural biological filters, improving water quality, enhancing oxygen levels, and reducing nitrates.
• Various uses: Suitable for rock gardens, planters, and any use of decorative stones.

Color: Red

Material: Volcanic stones

Dimensions: 3-5 cm

Weight: 25 kg