Substrate

Aquarium Substrate for marine and reef aquariums from Caribsea, Seachem and Brightwell Aquatics.

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  1. Brightwell Aquatics KoraLagoon Substrat Aragonite Refugium Substrate

    Brightwell Aquatics KoraLagoon Substrat Aragonite Refugium Substrate

    Starting at: $15.70

    A blend of high-purity aragonite particulate grades to simulate the natural substrate particle profile of tropical reef lagoons. Learn More
  2. CaribSea Rubble Zone 1 Gallon

    CaribSea Rubble Zone 1 Gallon

    $16.99

    Out of stock

    Ideal for refugiums

    Very Clean

    Frag Friendly

    1 Gallon

    Learn More
  3. CaribSea ARM Media 1 Gallon

    CaribSea ARM Aragonite Media

    Starting at: $13.95

    In what type of reactor would I use ARM™? ARM™ works on most calcium reactors. Will ARM™ contribute to the phosphates in my tank? All calcium reactor media have the potential to release small amounts of phosphates. ARM™ is made of extremely pure forms of aragonite so it is much lower in phosphates than other reactor media. Learn More
  4. CaribSea Arag Alive Hawaiian Black 20 lbs.

    CaribSea Arag Alive Hawaiian Black 20 lbs.

    $26.95

    You can now bring the world's most exotic reefs into your home with CaribSea's Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink and the uniquely uniform Fiji Pink, Arag Alie has you covered with seven exotic microcosms to choose from. Learn More
  5. CaribSea Arag Alive Bimini Pink

    CaribSea Arag Alive Bimini Pink 20 lbs.

    $26.95

    CaribSea Arag Alive Bimini Pink - Grain Size 0.2 - 2.2 mm. Our most color intensive reef substrate. Pink predominates over a suite of colors and grain sizes.  Spectacular!

    You can now bring the world's most exotic reefs into your home with CaribSea's Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink and the uniquely uniform Fiji Pink, Arag Alive has you covered with seven exotic microcosms to choose from.

    Learn More
  6. CaribSea Arag Alive West Caribbean Reef

    CaribSea Arag Alive West Caribbean Reef 20 lbs

    $26.95

    West Caribbean Reef - Grain Size 1.0 - 2.0 mm + shells. Natural grain sizes incorporates fine sand to rubble size fractions. Interesting texture and colorful natural highlights. Great for jawfish when used in a deep bed.

    You can now bring the world's most exotic reefs into your home with CaribSea's West Caribbean Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink and the uniquely uniform Fiji Pink. Arag Alive has you covered with seven exotic microcosms to choose from.

    Learn More
  7. CaribSea Arag Alive Bahama Oolite

    CaribSea Arag Alive Bahama Oolite 20 lbs.

    $26.95

    CaribSea Arag Alive Bahama Oolite - You can now bring the world's most exotic reefs into your home with CaribSea's Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink and the uniquely uniform Fiji Pink, Arag Alie has you covered with seven exotic microcosms to choose from. Grain size 0.1 - 1.0 mm Learn More
  8. CaribSea Seaflor Special Grade Reef

    CaribSea Arag Alive Special Grade Reef Sand 20 lbs

    $26.95

    CaribSea Arag Alive Special Grade Reef Sand 20 lbs. Only CaribSea's Arag-Alive!™ Live Sands contains not just the broad spectrum of natural 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. Special Grade Reef Sand - Grain Size 1.0 - 2.0 mm. This coarse sand is 100% aragonite and has excellent diffusive properties. A very versatile product, use in a deep or shallow beds. A significant denitrator when utilized in deeper beds or plenum systems. Learn More
  9. CaribSea Arag Alive Fiji Pink

    CaribSea Arag Alive Fiji Pink 20 lbs

    $26.95

    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 Fiji Pink- This soft pink colored, 100% aragonite substrate is a good intermediate sand size product. The precise 0.5 - 1.5mm 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.

    You can now bring the world's most exotic reefs into your home with CaribSea's Arag Alive substrates. It is developed from CaribSea's cooperation with public aquariums and zoological parks, where authenticity is a must. From the alluring black sands of the Indo Pacific to the bright white oolite of the Bahama Banks, the colorful and textured Bimini Pink and the uniquely uniform Fiji Pink, Arag Alie has you covered with seven exotic microcosms to choose from.

    Learn More
  10. CaribSea Aragamax 30 lbs.

    CaribSea Aragamax 30 lbs.

    $17.50

    "The Engineered Aragonite!"
    CaribSea's marine substrates are recognized worldwide for their purity and precision.

    Our aragonite is purposely engineered and free of impurities such as ash, metals, pesticides, and silica which allows you to create a safe and beautiful environment for your fish and invertebrates.

    Learn More

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