• $0 - $50+


Aquarium Substrate

(6 results)
Fluval® Plant Stratum Aquarium Substrate
(115)
$34.99
Extra 20% off online only with code SAVE20, see terms
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Activ-Flora Floracor Black Planted Aquarium Substrate
(16)
$24.99
Free Same-Day Delivery, No Order Minimum!
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Fluval Plant & Shrimp Stratum
(6)
$54.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Glass Aquarium Décor - Glow in the Dark
(30)
$4.99
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Top Fin® Smooth Glass Gem Aquarium Décor - Beach Blues Mix
(9)
$4.99
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Top Fin® Solitaire Glass Gem Aquarium Décor - Neon Mix
(10)
$4.99
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Creating the best habitat for your pet fish is an important part of their care. Finding the right aquarium substrate for fish matters so that your aquatic friend can thrive in their home. Pet parents can find the best selection of aquarium/fish tank substrate at PetSmart. Here, we want to help you build the perfect setting for your fish to swim around in. PetSmart’s selection of fish tank substrate includes options like: 
Plant Aquarium Substrate
Flourite Substrate
Smooth Glass Substrate
Colorful Fish Tank Substrate
And More 

You are sure to find the exact substrate you need for your fish at PetSmart. Need something else for your pet fish while you’re here? We also sell other fish tank supplies including artificial plants for aquariumslive plants for aquariumsfish tank backgroundsgravel, sand and stone for aquariumsfish tank ornamentsplant food/fertilizerfish tank filters/pumpslive 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.