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Additives & Supplements

Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.

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  1. Seachem Laboratories Reef Builder - 300 Grams

    Seachem Laboratories Reef Builder - 300 Grams

    Use the Seachem Reef Builder Pet Store in your tank if you want to raise the carbonate alkalinity of your water. Tested and guaranteed, this liquid solution is ideally created to increase carbonate alkalinity in you reef tank. I...
    ONLY
    $5.99
  2. Seachem Laboratories Acid Buffer - 300 Grams

    Seachem Laboratories Acid Buffer - 300 Grams

    When it comes to maintaining aquariums, the greatest problems that you will face are often with the water, regardless if you use fresh or saltwater. If these issues are not addressed properly and immediately, it will give way to t...
    ONLY
    $6.29
  3. Continuum Aquatics Reef-Basis Potassium Dry Form - 300 grams

    Continuum Aquatics Reef-Basis Potassium Dry Form

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    Reef•Basis Potassium Description: Dry Potassium Supplement for Marine Aquariums Features: • Provides bioavailable potassium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no ace...
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    $13.99
  4. Seachem Laboratories Reef Builder - 300 Grams

    Seachem Laboratories Reef Builder

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    Use the Seachem Reef Builder Pet Store in your tank if you want to raise the carbonate alkalinity of your water. Tested and guaranteed, this liquid solution is ideally created to increase carbonate alkalinity in you reef tank. I...
    FROM ONLY
    $5.99
  5. Seachem Laboratories Reef Advantage Magnesium - 300 Grams

    Seachem Laboratories Reef Advantage Magnesium

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    SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ...
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    $5.09
  6. Seachem Laboratories Acid Buffer - 300 Grams

    Seachem Laboratories Acid Buffer

    Read 3 Reviews

    Write a Review

    When it comes to maintaining aquariums, the greatest problems that you will face are often with the water, regardless if you use fresh or saltwater. If these issues are not addressed properly and immediately, it will give way to t...
    FROM ONLY
    $3.26
  7. Continuum Aquatics Reef-Basis Potassium Dry Form - 300 grams

    Continuum Aquatics Reef-Basis Potassium Dry Form - 300 grams

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    Reef•Basis Potassium Description: Dry Potassium Supplement for Marine Aquariums Features: • Provides bioavailable potassium for corals and other invertebrates • Phosphate, Nitrate & Silicate Free • Contains no ace...
    ONLY
    $13.99
  8. Kent Marine Turbo Strontium 300 g

    Kent Marine Turbo Strontium 300 g

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    Is the aquatic life in your aquarium looking drab and less colorful? People, especially those who like to study reef environments, often put corals, algae, snails, clams and other aquatic life forms with hard shells in their aquar...
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    $16.59
  9. Seachem Laboratories Reef Advantage Magnesium - 300 Grams

    Seachem Laboratories Reef Advantage Magnesium - 300 Grams

    SeaChem Reef Advantage Magnesium ™ is a concentrated (80,000 ppm) optimized blend of magnesium, chloride, and sulfate salts designed to restore depleted levels of magnesium with minimal impact to the ionic ratios found in natural ...
    ONLY
    $5.09
  10. Continuum Aquatics Reef-Basis Magnesium Dry Form - 300 grams

    Continuum Aquatics Reef-Basis Magnesium Dry Form

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    Reef•Basis Magnesium Description: Dry Magnesium Supplement for Marine Aquariums Features: • Provides bioavailable magnesium for corals and other invertebrates • Helps maintain pH and KH control in marine aquariums ...
    FROM ONLY
    $8.49

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