Aquarium Substrate

(214 results)
Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Dog Food - Chicken & Barley
3 sizes 1 flavor
(1750)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 1 more
Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Turkey & Rice, 12.5 oz
(740)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
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+ 2 more
Hill's Science Diet Perfect Weight Adult Dry Dog Food - Chicken
3 sizes 1 flavor
(1152)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 3 more
Hill's® Science Diet® Perfect Weight Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1469)
$42.99 - $115.99
Save $25 on Hill's Science Diet cat food, 5.8-7.3 kg. Discount taken in cart.
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+ 3 more
Hill's Science Diet Perfect Weight & Joint Support Large Breed Adult Dry Dog Food - Chicken & Rice
(161)
$126.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 3 more
Hill's® Science Diet® Adult Dry Dog Food - Chicken & Barley
3 sizes 1 flavor
(1582)
$36.99 - $122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 2 more
Hill's® Science Diet® Large Breed Adult Dry Dog Food - Chicken & Barley
(1189)
$122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Sensitive Stomach & Skin Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1327)
$42.99 - $115.99
Save $25 on Hill's Science Diet cat food, 5.8-7.3 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Small & Mini Adult Dry Dog Food - Chicken & Brown Rice
2 sizes 1 flavor
(1051)
$38.99 - $82.99
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Enjoy Free Shipping On Orders $49+.
Hill's® Science Diet® Indoor Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1577)
$40.99 - $111.99
Save $25 on Hill's Science Diet cat food, 5.8-7.3 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Perfect Weight Adult Wet Dog Food - Vegetable & Chicken Stew, 12.5 oz
(680)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Urinary Hairball Control Adult Wet Cat Food - Minced, 5.5 oz
(380)
$3.79
Buy 6 get 7th FREE select canned cat and dog food
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+ 2 more
Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Chicken & Vegetable, 12.8 oz
(865)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Savory Stew Senior 7+ Wet Dog Food - Beef & Vegetable, 12.8 oz
(458)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Savory Stew Adult Wet Dog Food - Beef & Vegetable, 12.8 oz
(56)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Sensitive Stomach & Skin Large Breed Adult Dry Dog Food - Chicken & Barley
(319)
$124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 3 more
Hill's® Science Diet® Perfect Digestion Adult Dry Dog Food - Salmon, Brown Rice & Whole Oats
3 sizes 1 flavor
(863)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 3 more
Hill's® Science Diet® Small Bites Adult Dry Dog Food - Chicken & Barley
3 sizes 1 flavor
(1264)
$36.99 - $122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Senior 7+ Dry Dog Food - Chicken, Barley & Brown Rice
2 sizes
(821)
$78.99 - $122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
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+ 2 more
Hill's® Science Diet® Sensitive Stomach & Skin Small Bites Adult Dog Dry Food - Chicken & Barley
2 sizes 1 flavor
(1250)
$41.99 - $124.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 3 more
Hill's Science Diet Large Breed Puppy Dry Dog Food - Chicken & Brown Rice
2 sizes 1 flavor
(710)
$78.99 - $114.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's Science Diet Adult Dog Dry Food - Salmon & Brown Rice Recipe
3 sizes
(82)
$36.99 - $122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Large Breed Senior 6+ Dry Dog Food - Chicken Recipe
(657)
$122.99
Save $25 on Hill's Science Diet dog food, 9.7-15.8 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(1210)
$40.99 - $111.99
Save $25 on Hill's Science Diet cat food, 5.8-7.3 kg. Discount taken in cart.
Enjoy Free Same-day delivery!
+ 1 more
Hill's® Science Diet® Perfect Weight Small & Mini Adult Dry Dog Food - Chicken Recipe
2 sizes 1 flavor
(1293)
$42.99 - $83.99
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Hill's® Science Diet® Sensitive Stomach & Skin Small & Mini Adult Dog Dry Food - Chicken & Rice
2 sizes 1 flavor
(989)
$42.99 - $87.99
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Hill's® Science Diet® Oral Care Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(842)
$42.99 - $115.99
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
Enjoy Free Same-day delivery!
+ 1 more
Hill's Science Diet Perfect Digestion Adult Wet Dog Food - Chicken, Vegetable & Rice Stew, 12.8 oz
(131)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's Science Diet Sensitive Stomach & Skin Adult Dog Wet Food - Chicken & Vegetable Stew, 12.5 oz
(46)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Urinary Hairball Control Adult Dry Cat Food - Chicken
3 sizes 1 flavor
(999)
$42.99 - $115.99
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
Earn a 5,000-point Reward Certificate when you get your second Autoship delivery by 11/30
+ 2 more
Hill's® Science Diet® Healthy Cuisine Adult Wet Cat Food - Chunks & Gravy, 2.8 oz
(687)
$3.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Sensitive Stomach & Skin Adult Wet Dog Food - Salmon & Vegetable, 12.8 oz
(317)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Adult Wet Dog Food - Chicken & Barley, 13 oz
(20)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Savory Stew Adult Wet Dog Food - Chicken & Vegetable, 12.8 oz
(264)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Senior 7+ Wet Dog Food - Chicken & Barley, 13 oz
(458)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Savory Stew Senior 7+ Wet Dog Food - Chicken & Vegetable, 12.8 oz
(28)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Adult Wet Dog Food - Beef & Barley, 13 oz
(391)
$4.99
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's Science Diet Healthy Cuisine Adult Wet Dog Food - Roasted Chicken, Carrots & Spinach, 12.5 oz
(777)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's Science Diet Healthy Cuisine Adult Wet Dog Food - Braised Beef, Carrots & Peas, 12.5 oz
(666)
$5.19
Buy 6 get 7th FREE select canned cat and dog food
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 2 more
Hill's® Science Diet® Soft Savories Dog Treat - Natural, Peanut Butter & Banana
(223)
$7.00
$13.49
Earn 100 Treats Points - TREAT OF THE MONTH
Sign in & Save 30% on your first Hill's Science Diet Autoship Order!
+ 3 more
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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
Colourful 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.