Fiji Pink Arag-Alive! Live Aragonite Reef Sand contains millions of live bacteria to create a natural biological balance in your reef tank. Contains live bacteria to assist with a faster cycle Grain size: 0.5-1.5mm Most popular size for reef sand High Surface Area for Bacteria
… When you think about it this rock actually becomes better than the wild choice and brings a truly sustainable solution to our hobby. ReefRock 2.1 is a dry rock that should be cured before use. As with all of the ReefRock products the rocks colors will vary from Coraline pink to deep purple.