Volcanic rocks are the perfect addition to the bottom of the aquarium, helping to create a beautiful underwater world!
- Natural material: Volcanic lava stones are 100% natural and safe and do not affect the pH level or chemical composition of water, suitable for both fresh and salt water environments.
- Decoration: Beautiful natural shaped lava rocks give the aquarium a colorful and detailed feature.
- Biological Filter: Volcanic rocks create excellent natural biological filters that help improve water quality, increase oxygen levels and control nitrates to make the habitat cleaner and healthier.
- Wide Uses: Volcanic rocks are also suitable for gardens, beds and other landscape designs.
- Color: black
- Material: volcanic rock
- Size: 1-2 cm
- Weight: 10 kg