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  1. Contains specially selected strains of live marine bacteria to rapidly cycle your tank
  2. More than 12,000,000 heterotrophic bacteria per pound
  3. Unsurpassed buffering capability: keep more fish healthier, longer
  4. Removes Nitrate, Nitrite, Ammonia, and other wastes
  5. Maximum surface area, up to 10,000 square inches of surface area per cubic inch
  6. High uniformity coefficiently prevents biofouling
  7. Supports the proper pH of seawater (8.2) with the fastest reaction time
  8. Creates a natural biological balance to discourage nuisance algae growth Learn More
  • Contains specially selected strains of live marine bacteria to rapidly cycle your tank
  • More than 12,000,000 heterotrophic bacteria per pound
  • Unsurpassed buffering capability: keep more fish healthier, longer
  • Removes Nitrate, Nitrite, Ammonia, and other wastes
  • Maximum surface area, up to 10,000 square inches of surface area per cubic inch
  • High uniformity coefficiently prevents biofouling
  • Supports the proper pH of seawater (8.2) with the fastest reaction time
  • Creates a natural biological balance to discourage nuisance algae growth Learn More
  • CaribSea Blue Ridge 20lb

    $34.99

    Features:
  • Helps create a natural underwater environment
  • Free of impurities such as ash, metals, pesticides, and silica
  • Safe forr fish and invertebrates Learn More
  • CaribSea Peace River 20lb

    $36.99

    Features:
  • Peace River - An inert, natural substrate
  • Unusual coarse sand size with rounded grains
  • Recommended for aquariums with external filtration and planted aquariums
  • Excellent for tanks with freshwater stingrays or catfish
  • Grain size 1.0 - 2.0 mm Learn More
  • CaribSea Reef Sand 15lb

    $32.99

    Features:
  • Seaflor Special Grade Reef Sand - This grade of aragonite is specifically engineered for plenum type nitrate reducing beds or anywhere a deeper bed is called for.
  • The pore water space created by the precision grading
  • Allows maximum pH support and dissolution of calcium carbonate.
  • Grain size 1.0 - 2.0 mm. Learn More
  • CaribSea Rift Lake Authentic 20lb

    $34.99

    Features:
  • Rift Lake Authentic - Shells added to dark toned gravel to enhance fish colors.
  • Naturally buffers the water in your aquarium to better approximate the water quality parameters of the great rift lakes in Africa.
  • No need to use special cichlid buffers, our product does it all for you. Learn More
  • CaribSea Rio Grande 20lb

    $36.99

    Features:
  • Rio Grande - An inert, natural substrate with rounded grains.
  • Freshwater narural gravel, 4 shades of brown to tan gravel.
  • Recommended for freshwater aquariums with external filtration
  • Suitable for planted aquariums
  • Grain size 3.0 - 5.0 mm Learn More
  • CaribSea Seaflor Aruba Shell 18lb

    $33.99

    Features:
  • Seaflor Aruba Shell is pure, safe, and nontoxic.
  • It has high strontium and magnesium content, is pre-washed, and maintains the proper pH.
  • The product is made up of shells, crushed coral, and only natural ocean floor-type media.
  • Aruba Shell is great in looks and function while providing a more coarse look than the other media in the CaribSea line up. Learn More
  • CaribSea Seaflor Super Reef 15lb

    $32.99

    Features:
  • Super Reef - This is a more open spec (greater grain size range) material but with no grain size particles smaller than 0.5mm.
  • This allows a textured material to be employed in a deep sand bed situation, such as a plenum system, where diffusive flux is important.
  • Grain size ranges between 0.5 - 2.0 mm. Learn More
  • CaribSea Snowy River 20lb

    $32.99

    Features:
  • Help you create a natural underwater environment.
  • Will not affect your pH or alkalinity, allowing you to adjust both of these important water quality parameters any way you wish.
  • Create a safe and beautiful environment for your fish and invertebrates. Learn More
  • CaribSea Torpedo Beach Sand 20lb

    $33.99

    Features:
  • Torpedo Beach - An inert, natural substrate.
  • Silver-toned freshwater sand.
  • Recommended for freshwater aquariums with external filtration, and planted aquariums
  • Excellent for tanks with freshwater stingrays or catfish Learn More
  • CaribSea Tropic Isle Marine Sand 20lb

    $36.99

    Features:
  • Marine Sand - An inert, natural substrate.
  • Recommended for freshwater aquariums with external filtration
  • Very striking
  • Do not use with undergravel filtration.
  • Grain Size 0.1 - 0.3 mm Learn More
  • CaribSea Zen Garden 20lb

    $33.99

    Features:
  • Help you create a natural underwater environment.
  • Will not affect your pH or alkalinity
  • purposely engineered and free of impurities such as ash, metals, pesticides, and silica, allows you to create a safe and beautiful environment for your fish and invertebrates Learn More
  • Hydor Koralia Evolution Nano 240 Turbo Pump 240gph

    Starting at $37.99

    Features:
  • Super compact
  • Can be operated on timers
  • Sphere joint has been strengthened and modified, allowing better positioning
  • Koralia Evolution Nano 240 recommended for 10-15 gallon marine tanks and 16-28 gallon freshwater tanks
  • Koralia Evolution Nano 425 is recommended for 15-30 gallon marine tanks and 28-50 gallon freshwater tanks Learn More
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