Increase the overall filtration power of your tank by adding Genesis Rock to your system.
Features / Specs:
- Designed For Fresh or Saltwater Aquariums
- 23,000+ Additional Square Feet of Bacterial Space For Each Rock
- 4 Rocks Included in the Set
- Reduces Phosphates and other dissolved organic compounds.
- Increased Beneficial Bacteria Colonies
- Zero Leach Technology - 100% Fired Ceramics