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Genesis Rock - 4 Pack Filter Media Blocks - Polyplab
PolypLab$59.99Increase 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 4 Rocks Included in Set Reduces Phosphates and... -
Genesis Rock Booster w/ Bottle of Bacteria 2x Filter Media Blocks - Polyplab
PolypLab$59.99Increase the overall filtration power of your tank by adding these two Genesis Rocks and using our bacterial supplement Polyplab Genesis. Includes (2) Genesis Rocks, (1) Bottle Genesis Bacteria 23,000+ Additional Square Feet of Bacterial Space For...