Lava stones are a perfect addition to the bottom of your fishbowl or aquarium and help you create a beautiful underwater world!

• Natural material: The lava stones are 100% natural and safe, do not affect the pH or chemistry of the water, and are suitable for both freshwater and saltwater environments.
• Decoration: With a beautiful natural design, the lava rock provides a colorful and detailed centerpiece for your fishbowl or aquarium.
• Biological filter: These volcanic stones provide great natural biological filters that improve water quality, increase oxygen levels, and control nitrates for a cleaner and healthier living environment.
• Versatile applications: The lava stones are also suitable for garden landscapes, flower beds, and other rocky landscaping applications.