Caribsea's Hawaiian Black Arag-Alive! Live Reef Sand is a great choice for new aquarists and new reef tank setups. Arag-Alive sands clear quickly and contain millions of live bacteria, speeding up your tanks cycle and leading to less nuisance algae.
- Contains live bacteria to assist with a faster cycle
- Grain size: 0.25 - 3.5mm
- High Surface Area for Bacteria