CaribSea Arag-alive Hawaiian Black sand 20lb/9.072kg

You can now bring the world’s most exotic reefs into your home with CaribSea’s Arag-Alive!™ substrates.
Eight environmentally accurate ecoscapes, developed through CaribSea’s cooperation with public aquariums and zoological parks where authenticity is a must, Arag-Alive!™ makes any aquarium uniquely yours.
Arag-Alive!™ makes it easy to set up an aquarium.
It’s ready to work, clears quickly, and contains millions of live bacteria to cycle super fast and create a natural biological balance.
Arag-Alive!™ suppresses the dreaded “new tank syndrome”, compresses the ammonia cycle, and discourages nuisance algae.
In fact, independent labs prove Arag-Alive!™ cycles days faster than other brands of live sand.
That’s what makes Arag-Alive!™ the choice of new aquarists and maintenance companies where speed of set up, beauty, and reliability are demanded.
Average Density: 92 pounds per cubic foot.
Typical Size: 0.25 - 3.5mm
Suitable for Marine aquariums.