Aquarium Substrate

(538 results)
Top Paw® X-Large Adhesive Dog Pads - 28" x 34"
(239)
$59.99
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Top Paw® Ultra XXL Dog Pads - 27.5"L x 44"W
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$39.99
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Top Paw® Double Door Folding Wire Dog Crate with Divider Panel
5 sizes
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$30.79 - $69.89
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Top Paw® XX-Large Dog Pads 150 Count
(46)
$79.99
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Top Paw® Single Door Folding Wire Dog Crate
7 sizes
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$24.99 - $169.99
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Top Paw® Dog Pads - 23"L x 24"W
3 sizes
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$5.99 - $39.99
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Top Paw® Jumbo Dog Pads - 54"L x 37"W
(105)
$34.99
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Top Paw® X-Large Adhesive Dog Pads - 28" x 34"
(1734)
$29.99
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Top Paw® Geo Cuddler Dog Bed
3 sizes
(158)
$14.97 - $24.97
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Top Paw® Wave & Bone Cuddler Dog Bed
(31)
$5.97
$11.99
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Top Paw® Exercise Pen
2 sizes
(233)
$55.99 - $62.99
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Top Paw® XX-Large Dog Pads 50 Count
(18)
$59.99
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Top Paw® At-Home Pet Grooming Kit
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$99.99
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Top Paw® Grey Heather X-Large Cuddler Dog Bed
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$29.97
$59.99
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Top Paw® Indoor & Outdoor Portable Dog Crate
4 sizes 1 color
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$46.89 - $67.89
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 Top Paw® Soft-Sided Pop-Up Playpen
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$41.99
$59.99
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Top Paw® Extra-Tall Walk-Through Pet Gate
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$65.49
$94.99
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Top Paw Carbon Training Pads
(169)
$39.99
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Top Paw Disposable Diapers 30 Pack
5 sizes
(148)
$19.99
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Top Paw® 24" Folding Crate
2 colors
(110)
$25.39 - $28.29
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Top Paw Blue Dog Faces Cuddler Dog Bed
3 sizes
(90)
$14.97 - $24.97
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Top Paw® Plush Grey Crate Mat
7 sizes
(198)
$11.99 - $48.99
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Top Paw® Expandable Plastic Pet Gate
(152)
$24.89
$29.99
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Top Paw® Disposable Male Wraps for Dogs, with Swift-Dry® Technology
5 sizes
(86)
$17.99
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Top Paw® Dog Pad Holder
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$26.99
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Top Paw® Nail Grinder with LED Light
(34)
$39.99
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Top Paw® Dog Print Cuddler Dog Bed
3 sizes
(236)
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Top Paw® Indoor/Outdoor Elevated Dog Bed
2 sizes
(379)
$30.99 - $42.99
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Top Paw® Dog Crate Replacement Pan
5 sizes
(311)
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Top Paw® Waves Cooling Bolster Dog Mat
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$12.47
$24.99
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Top Paw® Disposable Male Wrap Dog Diapers
4 sizes
(775)
$12.99 - $14.99
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Top Paw Washable Diapers
3 sizes
(152)
$19.99
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Top Paw® Paw & Tushy Fresh & Clean Scent Wipes
(94)
$9.99
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Top Paw Word & Bones Pillow Dog Bed
2 sizes
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$9.97 - $17.47
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Top Paw® All-In-1 With Oatmeal Dog Shampoo, Conditioner, Deodorizer & Moisturizer - Fresh & Clean
2 sizes
(226)
$9.99 - $15.99
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Top Paw® Purple Paws Poop Bags
3 sizes
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Top Paw® Floral Cuddler Dog Bed
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$5.97
$11.99
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Top Paw® Hello Summer Cuddler Dog Bed
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$11.99
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Top Paw® Pineapple Cooling Bolster Mat
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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.