0.5 - 1.5mm 20lb

• Functional and beautiful aragonite substrate for all types of marine aquariums
• Contains millions of beneficial marine bacteria to enhance biological filtration
• Choose the style that's right for your particular marine aquarium setup
• Arag-Alive!^TM is simply the quickest and safest way to start up a new sparkling clear marine aquarium.

Arag-Alive!^TM is simply the quickest and safest way to start up a new sparkling clear marine aquarium.

You can now bring the world's most exotic reefs into your home with CaribSea's Arag-Alive!^TM substrates. Eight environmentally accurate ecoscapes, developed from CaribSea's cooperation with public aquariums and zoological parks where authenticity is a must, Arag-Alive!^TM makes any aquarium uniquely yours.

Arag-Alive!^TM 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!^TM suppresses the dreaded "new tank syndrome", compresses the ammonia cycle, and discourages nuisance algae. In fact, independent labs prove Arag-Alive!^TM cycles days faster than other brands of live sand.

That's what makes Arag-Alive!^TM the choice of new aquarists and maintenance companies where speed of set up, beauty, and reliability are demanded.