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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. Two Little Fishies C-Balance - 32 oz.

    Two Little Fishies C-Balance

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    Calcium tends to run out fast in aquariums, especially in reef aquariums. Corals use up a lot of calcium while developing, so it is very essential that they have a generous supply of it when forming their exoskeletons. But just li...
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    $18.48
  2. E.S.V. B-Ionic Magnesium 32 fl oz.

    E.S.V. B-Ionic Magnesium

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    Aside from calcium and organic carbon, magnesium also plays a significant role in maintaining a healthy marine life in your aquarium. Magnesium presence in your tank's water gives it stable alkalinity, as well as good pH level. As...
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    $12.49
  3. Two Little Fishies C-Balance - 32 oz.

    Two Little Fishies C-Balance - 32 oz.

    Calcium tends to run out fast in aquariums, especially in reef aquariums. Corals use up a lot of calcium while developing, so it is very essential that they have a generous supply of it when forming their exoskeletons. But just li...
    ONLY
    $18.48
  4. E.S.V. B-Ionic Magnesium 32 fl oz.

    E.S.V. B-Ionic Magnesium 32 fl oz.

    Aside from calcium and organic carbon, magnesium also plays a significant role in maintaining a healthy marine life in your aquarium. Magnesium presence in your tank's water gives it stable alkalinity, as well as good pH level. As...
    ONLY
    $12.49
  5. AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements - 32 oz. (16 oz. each bottle)

    AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements

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    New! AquaMaxx Synergy Plus- Ionic Balanced Calcium & Alkalinity Supplement AquaMaxx Synergy Plus is concentrated and ionically balanced. This calcium and alkalinity supplement work synergistically to help maintain and stabilize...
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    $12.49
  6. Aqua Vision Aquatics Precision Integreat (Part B Buffer) - 32oz

    Aqua Vision Aquatics Precision Integreat (Part B Buffer)

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    Precision Integrate Part B is a well-balanced supplement that is designed to raise and maintain KH/alkalinity levels as well as enhance coral growth. This product contains 10,600 KH or 3,800 meq/L and is one of the most concentrat...
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    $7.99
  7. AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements - 32 oz. (16 oz. each bottle)

    AquaMaxx Synergy Plus 2-Part Calcium & Alkalinity Supplements - 32 oz. (16 oz. each bottle)

    AquaMaxx Synergy Plus is concentrated and ionically balanced. This calcium and alkalinity supplement work synergistically to help maintain and stabilize the Calcium, alkalinity and pH levels in your aquarium. The `Plus` being the ...
    ONLY
    $12.49
  8. Aqua Vision Aquatics Precision Integreat (Part B Buffer) - 32oz

    Aqua Vision Aquatics Precision Integreat (Part B Buffer) - 32oz

    Be First to Review

    Precision Integrate Part B is a well-balanced supplement that is designed to raise and maintain KH/alkalinity levels as well as enhance coral growth. This product contains 10,600 KH or 3,800 meq/L and is one of the most concentrat...
    ONLY
    $7.99

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