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Increase the overall filtration power of your tank 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 CeramicsLooking for the ultimate combination, check out our Genesis Rock Booster pack which includes Polyplab Genesis, our ultra-high dosage of beneficial bacteria. Rock Dimensions 4 x 4 x 1
