CaribSea® Arag-Alive

Beautiful marine substrate packed with millions of heterotrophic, autotrophic, and chemolithotrophic bacteria. Huge beneficial bacteria population aids in waste reduction and dramatically reduces cycling time in new setups. Use alone or to kick-start existing substrate bed. Arag-Alive is specially egineered to supress "new tank syndrome" and compress the ammonia cycle. It's like having a nitrite and nitrate filter, ammonia reducer, and a high-capacity biological filter for your marine aquarium. Includes Bio-Magnet clarifier to clear water fast and enhance biological efficiency. Arag-Alive marine substrates contain aragonite, a source of calcium, carbonate, and beneficial trace elements to, naturally maintain proper pH without the constant addition of chemicals.

Contains more surface area for bacterial adhesion: approximately 20,000 square inches per cubic inch for unsurpassed performance in reducing nitrate, nitrite, and ammonia. Never needs to be replaced and works with natural bacteria to enhance performance over the full life of your aquarium.

Lowest in phosphate and does not contain tar, harmful organics, silica, or other impurities. Used by the foremost public aquariums, research and government institutions, and professionals worldwide.

Fiji Pink Sand
0.5-1.0 mm; 20 lb water packed bag
This soft pink colored, 100% aragonite substrate is a good intermediate sand size product. The precise grain size combines some of the animal friendly properties of fine sand such as ingestability and low resistance to burrowing, but with better diffusive flux properties and good porosity. This is also the standard choice for reef aquariums at 1 pound per gallon.

Special Grade Sand
1.0-2.0 mm; 20 lb water packed bag
This coarse sand is 100% aragonite and has excellent diffusive properties. A very versatile product, use in deep or shallow beds. A significant denitrator when utilized in deeper beds or plenum systems.

Hawaiian Black Sand
0.25-3.5mm; available in 20 lb water packed bag Re-create the look of black sand slopes around the volcanic islands of Hawaii. The natural dark substrate highlights the darker or more intense colors of fishes found in these areas.