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  • 4 Sizes

    Seachem® Prime® Aquarium Water Conditioner

    Old Price $5.99 - 18.49
    $5.69 -17.57
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  • 2 Sizes

    Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

    Discounted Price $7.59 - 9.39 Old Price $9.99 - 14.99
    $7.21 -8.92
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    (61)

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  • Seachem® Flourish Tabs™ Aquarium Gravel Bed Plant Supplement

    Discounted Price $8.99 Old Price $13.99
    $8.54
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  • Seachem® Tidal ™

    Discounted Price $15.19 Old Price $16.88
    $14.43
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    (0)

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  • 2 Sizes

    Seachem® Prime®

    Discounted Price $59.99 - 88.96 Old Price $59.99 - 179.36
    $56.99 -84.51
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  • 2 Sizes

    Seachem® Stability®

    Discounted Price $48.11 - 77.06 Old Price $79.99 - 96.67
    $45.70 -73.21
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  • Seachem® Tidal™ 110 MatrixCarbon

    Discounted Price $13.29 Old Price $17.72
    $12.63
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  • 3 Sizes

    Seachem® Matrix™

    Discounted Price $7.99 - 35.05 Old Price $7.99 - 70.65
    $7.59 -33.30
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    (1)

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  • Seachem® Flourish® Freshwater Aquarium Comprehensive Plant Supplement

    Discounted Price $10.99 - 12.39 Old Price $10.99 - 16.99
    $10.44 -11.77
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  • 2 Sizes

    Seachem® Flourish Excel™

    Discounted Price $36.14 - 66.70 Old Price $36.19 - 69.99
    $34.33 -63.37
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  • Seachem® Alert Combo™ Aquarium pH & Ammonia Detector

    Discounted Price $17.99 Old Price $18.99
    $17.09
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    (21)

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  • 2 Sizes

    Seachem® Phosguard™

    Discounted Price $32.30 - 60.99 Old Price $60.99 - 65.10
    $30.69 -57.94
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  • Seachem® Marine Buffer

    Discounted Price $6.79 Old Price $9.99
    $6.45
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  • Seachem® Flourite® Premium Aquarium Plant Substrate

    Old Price $19.99
    $18.99
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  • Seachem® Tidal™ 75 Matrix Carbon

    Discounted Price $10.13 Old Price $20.44
    $9.62
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  • Seachem® Reef Buffer™

    Discounted Price $21.00 Old Price $21.99
    $19.95
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  • Seachem® Flourish®

    Discounted Price $36.14 Old Price $36.19
    $34.33
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  • Seachem® Tidal ™

    Discounted Price $5.49 Old Price $11.06
    $5.22
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    (0)

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  • Seachem® Tidal™ 75 Zeolite Filter Pouch

    Discounted Price $8.19 Old Price $10.92
    $7.78
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  • Seachem® Neutral Regulator Aquarium pH Water Conditioner

    Discounted Price $7.24 Old Price $11.99
    $6.88
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  • Seachem® Tidal Matrix™

    Old Price $7.99
    $7.59
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  • Seachem® Reef Advantage Magnesium™

    Discounted Price $12.85 Old Price $25.91
    $12.21
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  • Seachem® Purigen®

    Old Price $57.19
    $54.33
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  • Seachem® Reef Plus™

    Discounted Price $10.61 Old Price $10.99
    $10.08
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Keep your fish feeling their best with the many different Seachem® aquarium products that are available at PetSmart. Whether you’re looking for water conditioners, plant substrates, stability systems, filters or more, we have what you need. Choosing the right supplies for your aquarium set-up can feel overwhelming with so many different options out there. When you choose Seachem products to create your fishes’ home, you can be confident in your decision. 

PetSmart’s selection of other brands and options of aquarium supplies includes:

 

You can find what you’re looking for to keep your fish living a happy and healthy life at PetSmart. Need other aquarium supplies while you’re here? We have you covered. 

PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.

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