Marco Rocks Foundation Rock - Natural or Coralline filter media Handle diameter 26 - 30

Handle diameter 26 - 30 mm (1 - 1

corrosion-proof

avoiding the tediousness of operating multiple devices independently

We recommend 1 hour between each components addition

and remove the pump

Marco Rocks Foundation Rock - Natural or Coralline filter media Handle diameter 26 - 30Our famous Reef Saver Rock cut to offer a smooth, flat single surface. We recommend placing this rock under any rock work at the boundary layer between the glass and rock display. This design allows the second layer of your scape to safely "float" above this bottom layer, promoting healthy flow around the rock work and over the substrate. Foundation Rock can be siliconed to the glass if desired. Another aquascape option is placing the rock flat side