Welcome to the dawn of stable, architecturally-sound aquascaping.
Its natural top and a smooth cut bottom make it the perfect choice for building a reef aquascape. Use these pieces to begin your aquascape. The flat base offers a firm first layer on which other rocks can be supported.
MarcoRocks stones are the finest aquarium rocks available on the market.
Entirely natural, the rocks are sourced from a rocky reef that was previously alive.
Natural calcium carbonate rock.
These stones have never been treated with chemicals or additives. They are certified pest-free and harmless.
For information, you can usually spot fossilized ancient corals in the rocks.
The stones are inoculated with bacteria before being sent. However, they need microfauna afterwards, which is why the starter kit is essential when buying stones.