Increase 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 Each Block
- Reduces Phosphates and other dissolved organic compounds.
- Increased Beneficial Bacteria Colonies
- Zero Leach Technology - 100% Fired Ceramics
Rock Dimensions 4 x 4 x 1
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