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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. Tetra Safestart Freshwater 250 mL

    Tetra Safestart Freshwater 250 mL

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    Immediately add fish to your new freshwater aquarium with Tetra SafeStart. Live nitrifying bacteria work instantly to remove ammonia and nitrite. Patented formula helps to seed your aquarium filter with nitra-digesting bacteria. S...
    ONLY
    $11.49

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