Volcanic rocks are the perfect addition for the bottom of your fish tank or aquarium, helping you create a beautiful underwater world!

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

Color: Red

Material: Volcanic rocks

Dimensions: 10-30 cm

Weight: 10 kg