Polyp Lab Genesis Rock with Booster

Increase your tank's overall filtration power by adding these two Genesis Rocks and using our Polyplab Genesis Bacterial Supplement.

- Includes (2) Genesis Rocks, (1) Genesis Bacteria Bottle
- Over 23,000 additional square feet of bacterial space for each block
- Reduces phosphates and other dissolved organic compounds.
- Increase in colonies of beneficial bacteria
- Zero Leach technology - 100% fired ceramic

Dimensions of a brick: 4 x 4 x 1 (inch)