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  • Aqua Natural Aquarium Gravel - Midnight Pearl

    Old Price $24.99
    (7)

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  • Top Fin® Premium Aquarium Gravel - Glow in the Dark

    Old Price $7.99
    (1)

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  • Top Fin® Premium Aquarium Gravel - Raspberry Red

    Old Price $7.99
    (0)

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  • CaribSea Exotica Mountain Stone

    Old Price $34.99
    (14)

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  • CaribSea Aragonite Aragamax Select Substrate

    Discounted Price $9.99 Old Price $16.99
    (14)

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  • Top Fin® Aragonite Aragamax Oolite Aquarium Sand

    Old Price $29.99
    (11)

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  • Top Fin® Smooth Stone Aquarium Décor - Blue

    Old Price $3.99
    (2)

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  • Top Fin® Seashell Aquarium Décor - Assorted White Shells

    Old Price $2.99
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  • Top Fin® Stone Aquarium Décor - Natural Grey

    Old Price $3.99
    (0)

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  • CaribSea Super Naturals Aquarium Gravel - Snowy River

    Old Price $24.99
    (0)

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  • Top Fin® Premium Quality Aquarium Gravel - Pebble Beach

    Old Price $4.99
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  • Top Fin® Premium Aquarium Gravel - Lavender

    Old Price $7.99
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  • Top Fin® Premium Quality Aquarium Gravel - Red Flint

    Discounted Price $14.27 Old Price $28.99
    (6)

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  • Top Fin® Premium Aquarium Gravel - Brown & White

    Old Price $29.99
    (0)

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  • CaribSea LifeRock Dry Live Rock

    Old Price $54.99
    (14)

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  • CaribSea Exotica Black River Rock - 12lb

    Discounted Price $20.97 Old Price $34.99
    (6)

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  • Top Fin® Premium Aquarium Gravel - Brown & White

    Discounted Price $14.97 Old Price $29.99
    (12)

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  • CaribSea African Cichlid Mix Aquarium Substrate

    Discounted Price $25.79 Old Price $29.99
    (20)

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  • Top Fin® Stone Aquarium Décor - Brown Mix

    Old Price $4.99
    (2)

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  • CaribSea Super Natural Snowy River Aquarium Gravel

    Old Price $43.99
    (9)

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  • Top Fin® Smooth Glass Gem Aquarium Décor - Bright Bue

    Old Price $4.99
    (11)

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  • 2 Sizes

    CaribSea Exotica Dragon Stone

    Discounted Price $27.47 - 34.99 Old Price $34.99 - 54.99
    (43)

    Buy 1, get the 2nd 50% All Aquatic Ornaments & Plastic Plants

    Earn 4K+ Treats Points with $50+ Same-Day Delivery!

  • Top Fin® Glass Aquarium Décor - Glow in the Dark

    Old Price $4.99
    (8)

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  • Top Fin® Pebble Aquarium Décor - Gold

    Old Price $3.99
    (7)

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Stocking your fish tank with the correct aquarium substrate is an important part of caring for your fish. Aquarium substrate helps pet parents create the perfect habitat for their aquatic friends. Anyone looking for the right fish tank gravel or substrate for fish tanks can find what they need at PetSmart. Here, we understand how important your pet is and want to help you create the perfect home for them. 

Our selection of fish tank gravel, sand, and substrate includes aquarium products like: 

Acrylic Substrate
Glass Substrate
Aquarium Gravel
Aquarium Sand
Aquarium Shells
Soil Substrate
Aquarium Stones
Breed-Specific Substrate
And More


Pet parents can find everything they need to create the perfect habitat for their fish at PetSmart. We also sell decor, gravel, sand, stone, and substrate for aquariums as well as artificial plants and live plants for fish tanks, fish tank ornaments, plant food/fertilizer, tank filters/pumps, live fish, and more.

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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