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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. Aquarium Pharmaceuticals Algaefix 4oz

    Aquarium Pharmaceuticals Algaefix

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    A revolutionary new product specially developed to control many types of algae in freshwater aquariums containing live plants. Effectively controls green water algae blooms. Keeps freshwater aquariums clean and clear. Can be used ...
    FROM ONLY
    $2.21
  2. Aquarium Pharmaceuticals Ammo-Lock 16oz

    Aquarium Pharmaceuticals Ammo-Lock 16oz

    A patented water conditioner that works instantly, in both fresh and saltwater, to detoxify ammonia and remove chlorine and chloramines. Locks up ammonia in a non-toxic form until it can be broken down by the tank`s natural biolog...
    ONLY
    $8.99
  3. Aquarium Pharmaceuticals Proper pH 7.0 250g

    Aquarium Pharmaceuticals Proper pH 7.0 250g

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    Automatically sets and stabilizes pH at 7.0. Removes chlorine & detoxifies heavy metals. For community aquariums. Contains Aloe Vera and electrolytes to reduce fish stress. Use when setting up aquarium or changing water. Purpose...
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    $5.59
  4. Aquarium Pharmaceuticals® Proper pH 7.5

    Aquarium Pharmaceuticals® Proper pH 7.5

    Condition your aquarium or pond water regularly with the Aquarium Pharmaceuticals Proper Ph 7.5 from Pet Store . This formula enables you to adjust the pH level and stabilize it to the desired level. It also neutralizes harmful s...
    ONLY
    $5.61
  5. Aquarium Pharmaceuticals Stress Coat 16oz

    Aquarium Pharmaceuticals Stress Coat 16oz

    Instantly removes chlorine and chloramines, making tap water safe for fish. Neutralizes heavy metals. Also, replaces the natural slime coating fish need in times of stress, such as handling, shipping or fighting. Contains Aloe Ver...
    ON SALE

    Was: $8.49

    $6.79

  6. Aquarium Pharmaceuticals Accu-Clear, 8oz

    Aquarium Pharmaceuticals Accu-Clear

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    Do you need an effective solution to help you maintain clear aquarium water all the time? Use the Aquarium Pharmaceuticals Accu-Clear 8oz from Pet Store today. This solution is an efficient way of removing dirt particles in your...
    FROM ONLY
    $2.88
  7. Aquarium Pharmaceuticals® Proper pH 8.2

    Aquarium Pharmaceuticals® Proper pH 8.2

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    Easy-to-use, fast dissolving powder that automatically sets and stabilizes pH at 8.2 while neutralizing chlorine and detoxifying heavy metals. For saltwater, brackish and African cichlid aquariums. Contains aloe vera and electroly...
    ONLY
    $5.59
  8. Aquarium Pharmaceuticals pH Down 16oz

    Aquarium Pharmaceuticals pH Down 16oz

    Ensure the pH equilibrium within your fish home by giving it a daily dose of the Aquarium Pharmaceuticals pH Down from Pet Store . This formula comes in a sixteen-ounce bottle that is sufficient for use for several days. It is a ...
    ONLY
    $10.99
  9. Aquarium Pharmaceuticals Tropical Fish Start Up Pack

    Aquarium Pharmaceuticals Tropical Fish Start Up Pack

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    Together, Stress Coat and Stress Zyme assure good water quality, an efficient biological filter, healthy fish and a clean aquarium. Use when setting up your fresh or saltwater aquarium and every time you add water. 1 ...
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    $2.96
  10. Aquarium Pharmaceuticals Stress Zyme 64oz

    Aquarium Pharmaceuticals Stress Zyme 64oz

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    Improves the development of the biological filter and helps clean a dirty aquarium. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite...
    ON SALE

    Was: $29.99

    $23.99

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