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    API® Stress Coat Tap Water Aquarium Conditioner

    Discounted Price $4.99 - 9.99 Old Price $5.99 - 13.99
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    API® Quick Start Aquarium Cycling Water Conditioner

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    Tetra® AquaSafe Plus Aquarium Dechlorinator Water Conditioner

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    API® Aquarium Salt

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  • Top Fin® Pre-Conditioned Betta Aquarium Water

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    Top Fin® Aquarium Water Conditioner

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    API® ACCU Clear Aquarium Water Clairifier

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    API® Algaefix Aquarium Algae Control

    Discounted Price $7.99 - 13.99 Old Price $8.99 - 24.99
    $7.59 - 13.29
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    SeaChem Stability New Tank Stabilization System Aquarium Water Conditioner

    Discounted Price $3.99 - 8.09 Old Price $7.99 - 15.99
    $3.79 - 7.69
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    API® Stress Zyme Aquarium Water Conditioner

    Discounted Price $4.99 - 45.79 Old Price $6.99 - 81.49
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    Tetra® SafeStart Aquarium Cycling Water Conditioner

    Discounted Price $7.19 - 17.99 Old Price $16.99 - 25.99
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    Top Fin® Aquarium Readistart Nitrifying Bacteria Starter

    Old Price $4.99 - 9.79

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    AA Aquarium Green-Killing Machine Internal UV Sterilizer Replacement

    Discounted Price $19.99 - 35.99 Old Price $19.99 - 37.99

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    Top Fin® Betta Aquarium Water Conditioner

    Old Price $3.99 - 6.69

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    API® Pond Algaefix

    Discounted Price $22.99 - 39.99 Old Price $29.99 - 55.99
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  • API® Betta Aquarium Water Conditioner

    Discounted Price $3.39 Old Price $5.49
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  • Tetra® EasyBalance Nitraban Aquarium Water Treatment

    Discounted Price $5.49 Old Price $14.49
    $5.22
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  • API® Ammo Lock Ammonia Remover Aquarium Water Conditioner

    Discounted Price $6.59 Old Price $7.59
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    Top Fin® Aquarium Biological Cleaner

    Old Price $5.79 - 11.99

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  • API® pH Down Adjuster Freshwater Aquarium Water Conditoner

    Discounted Price $5.49 Old Price $7.99
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  • Tetra® WaterClarifier Aquarium Water Clarifier

    Discounted Price $2.99 Old Price $7.99
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  • API® pH Up Adjuster Freshwater Aquarium Water Conditioner

    Discounted Price $6.59 Old Price $7.99
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  • API® Proper pH 7.0 Aquarium Water pH Conditioner

    Old Price $9.99
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    Top Fin® Aquarium Water Clarifier

    Old Price $5.99 - 7.99

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  • GloFish® Water Conditioner

    Discounted Price $4.79 Old Price $5.99
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    API® Tap Water Conditioner Super Strength Aquarium Dechlorinator

    Discounted Price $3.89 - 33.79 Old Price $5.59 - 33.99
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  • API® Pond & Waterfall Cleaner

    Discounted Price $22.99 Old Price $23.99
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    Top Fin® Instant Ammonia Aquarium Neutralizer

    Old Price $5.99 - 8.79

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  • API® Ammo Lock

    Discounted Price $9.99 Old Price $12.99
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  • API® Stress Coat Aquarium Water Conditioner

    Discounted Price $29.99 Old Price $35.99
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  • API® Quick Start

    Discounted Price $2.79 Old Price $3.99
    $2.65
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    Discounted Price $10.99 Old Price $11.99
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Aquarium Water Care

Water is the key ingredient in any fish tank. The first step in taking care of your aquarium, and giving your fish a home that's clean, safe and healthy, is to make sure their water is at optimum levels. With aquarium water care products available at PetSmart, you can do just that. Whether you have a freshwater or marine environment, our collection of water conditioners and pre-conditioned water, clarifiers, dechlorinators, algae control, beneficial bacteria, aquarium salt and wide range of water supplements can and help you create place where your fish can thrive. Whether you choose to condition and dechlorinate tap water or prefer already conditioned aquarium water, we have what you need. If you need to quickly cycle your tank for new inhabitants, choose a product with beneficial bacteria included so that you can start turning the tank into a bioactive environment for fish, plants and invertebrates. Cloudy aquarium water can be adjusted with a water change, new filter media, a UV sterilizer or water clarifiers to help get rid of suspended particles and dissolved wastes in the water.
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