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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 Kalkwasser - 500 Grams

    Seachem Laboratories Reef Kalkwasser

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    Calcium plays an important role in any reef aquarium . That’s why you need to use the Seachem Reef Kalkwasser Pet Store in your tank today. Corals and other invertebrates greatly need calcium in order to grow and survive. Using...
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    $10.79
  2. Seachem Laboratories Reef Kalkwasser - 250 Grams

    Seachem Laboratories Reef Kalkwasser - 250 Grams

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    Reef Kalkwasser? is a pure calcium hydroxide with unsurpassed purity and solubility characteristics. Calcium hydroxide is used to prepare limewater (kalkwasser) solutions that will maintain calcium concentrations at natural seawa...
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    $10.79

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