Marco Shelf Rock 18KG Box

MarcoRocks is the finest all natural aquarium rock available to the aquarium enthusiast today. It is a once live natural reef rock.

All natural calcium carbonate rock. Never any chemicals, additives. Often, you can spot fossilized ancient corals in the rocks. It comes to you pest and organic free.

This is our newest rock offering. It lends itself to that perfect shelf scape that is reminiscent of a multi-tiered reef scene. We recommend stocking the rocks as perfectly horizontal as possible and cementing them together at key junctions with E-Marco-400 mortar. Grey is perfect for new scapes, pink for established reefs. For best results place these rocks over our MR Reefsaver Foundation rocks.

The rock is a "green" sustainable product, because it is not harvested from a marine environment it has no negative impact on our delicate reef or marine ecosystem. Combine this with our unique no chemicals cleaning and processing and you get great looking rock, totally pest and organic free that's also environmentally friendly.