Polyplab Genesis Rock

Increase the overall filtration power of your aquarium by adding Genesis Rock to your system.

• Designed For Fresh or Saltwater Aquariums
• 23,000+ Additional Square Feet of Bacterial Space For Each Rock
• 2 Rocks Included in Set
• Reduces Phosphates and other dissolved organic compounds.
• Increased Beneficial Bacteria Colonies
• Zero Leach Technology
• 100% Fired Ceramics
• Rock dimensions: 4" x "4 x 1"