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 otherdissolved organic compounds.
– Increased Beneficial Bacteria Colonies
– Zero Leach Technology – 100% Fired Ceramics

Looking 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