CaribSea Hawaiian Black

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You can now bring the world's most exotic reefs into your home with CaribSea's Arag-Alive substrates.


  • Hawaiian Black Gravel - 20lb 10% OFF With Code
    code: 28070 In Stock (Only 2 left!)

Product Information

Make any aquarium uniquely yours. Hawaiian Black gravel 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 substrates suppress 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.

Key Features:

Typical Size: 0.25 - 3.5mm
Average Density: 80 pounds per cubic foot

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