Genesis Rock - PolypLab Size:4pk This is to encourage a

This is to encourage a natural feeding experience for fish

Coarse – larger size granules which are less likely to clog equipment

2x UV (405nm)

This means no hollow handles and drizzling of excess water when removed from the aquarium

nitrate and phosphate

Genesis Rock - PolypLab Size:4pk This is to encourage aIncrease 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