biOrb Marble Pebble Set Decoration Freshwater Gravel - Green

• Add color to the bottom of your aquarium with the green biOrb Marble Pebble Set
• Place these polished marble pebbles on top of the ceramic media
• Pebbles deepen in color when placed in water
• Suitable for all biOrb aquariums
• Compatible with freshwater saltwater and tropical aquarium set ups