Only CaribSea’s Arag-Alive! Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well.

Arag-Alive! compresses new tank cycle time and suppresses the initial ammonia spike. Arag-Alive! creates a natural biological balance, and makes cycling a new aquarium faster and safer.

Live rocks and most invertebrates can be added immediately.

Gradually introduce fish within the first 3 weeks, and do not exceed one inch of fish per 5 gallons during this time.

CaribSea Arag-Alive Bahama Oolite 20 Lb. Aragonite Reef Sand with Live Stabilized Marine Bacteria : Use alone, or to kick-start our dry aragonite! Arag-Alive has more surface area for bacterial porosity; approximately 20,000 square inches per cubic inch! Arag-Alive will dramatically reduce cycling time in new set-ups because it contains millions of heterotrophic, autotrophic, and chemolithotrophic bacteria. Lowest in phosphate and has no silica.

Arag-Alive also provides molybdenum, barium, boron, selenium, beryllium, and other essential ocean trace elements. CaribSea Arag-Alive is not beach collected. This aragonite is not beach zone collected sands: contains no tar, harmful organics, or impurities.


Bahamas Oolite

This oolitic sand is ideal for shallower beds, allowing denitrification in as little as 1” depth.

The most friendly to bottom dwelling creatures; its fine grain size can pass easily through the gills of gobys and other sand sifting organisms.

Also an excellent choice for the cultivation of seagrasses (true plants) such as Thallasia species.

Gentle to sharks and rays. Grain size 0.1 - 1.0 mm.