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(45 results)
Marineland Open Glass Aquarium
2 sizes
(178)
$14.99 - $149.99
Buy Any Open Glass Get 20% off Top Fin Glass Hood
Save 50% on Select Open Glass Aquariums!
+ 1 more
Marineland® High Definition LED Ensemble - 75 Gallon
(572)
$499.99
$799.99
Save $300 on our 75 Gallon Ensemble!
Marineland Penguin PRO 375 Aquarium Power Filter
(139)
$64.99
$71.79
Free Same-Day Delivery, No Order Minimum!
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Marineland® Penguin Rite Size C Power Filter Cartridges
(82)
$19.99
$23.99
BOGO 50% Select Aquatic Filter Media
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+ 2 more
Marineland® C360 Aquarium Canister Filter
(198)
$219.99
Free Same-Day Delivery, No Order Minimum!
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Marineland® Emperor® PRO 450 Aquarium Filter
(52)
$94.99
$104.79
Free Same-Day Delivery, No Order Minimum!
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Marineland® Magniflow C250 Aquarium Canister Filter - 55G
(146)
$159.99
$227.39
Free Same-Day Delivery, No Order Minimum!
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Marineland® Black Diamond Carbon
(22)
$9.99
$24.99
BOGO 50% Select Aquatic Filter Media
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+ 2 more
Marineland® Penguin PRO 275 Aquarium Power Filter
(157)
$54.99
Free Same-Day Delivery, No Order Minimum!
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Marineland® Polishing Internal Filter
(51)
$92.99
$102.69
Free Same-Day Delivery, No Order Minimum!
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Marineland® Silicone Aquarium Sealant
(56)
$5.39
$7.19
Earn 3X points (6% back in savings) on all aquatic cleaning and aeration supplies!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Rite Size Emperor Power Filter Cartridge
(32)
$13.19
$15.59
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland Penguin PRO 175 Aquarium Power Filter
(125)
$44.99
Free Same-Day Delivery, No Order Minimum!
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Marineland® Visi-Therm Submersible Aquarium Heater
(239)
$34.99 - $43.49
Free Same-Day Delivery, No Order Minimum!
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Marineland® Penguin Rite Size B Power Filter Cartridges
(32)
$17.59
$19.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland Magnum 200 Polishing Internal Canister Filter
(22)
$59.99
$69.99
Free Same-Day Delivery, No Order Minimum!
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Marineland Penguin PRO 125 Aquarium Power Filter
(121)
$34.99
Free Same-Day Delivery, No Order Minimum!
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Marineland® Hidden LED Lighting System
(58)
$49.99
Free Same-Day Delivery, No Order Minimum!
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Marineland®  LED Aquarium Light Bar
(125)
$46.99
Free Same-Day Delivery, No Order Minimum!
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Marineland® Carbon Filter Bags
(12)
$8.09
$12.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Instant Ocean® Hold Fast Aquarium Bond Stick
(11)
$11.99
Earn 3X points (6% back in savings) on all aquatic cleaning and aeration supplies!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Magnum 200 Polishing Internal Filter Floss Sleeve
(0)
$4.79
$4.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland® 2-in-1 Bio-Foam & Pre-Filter - Fits 375 to 450
(28)
$5.79
$6.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland® 2-in-1 Bio-Foam & Pre-Filter - Fits 125 to 275
(26)
$6.29
$7.59
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland® Maxi-Jet® 1200 Aquarium Water Pump and Power Head
(19)
$19.79
$27.99
Earn 3X points (6% back in savings) on all aquatic cleaning and aeration supplies!
Sign In & Enjoy Free Shipping Over $49
Marineland® C360 Polishing Filter Pads
(3)
$6.49
$6.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland® C160/220 Polishing Filter Pads
(8)
$3.99
$5.09
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 2 more
Marineland® C360 Filter Foam
(2)
$3.59
$12.99
BOGO 50% Select Aquatic Filter Media
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+ 2 more
Marineland® Bio-Filter Balls
(4)
$4.99
$6.99
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Filter Foam
(2)
$2.89
$8.99
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Ceramic Rings
(4)
$5.79
$6.29
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 1 more
Marineland® Penguin 100B Bio-Wheel Assembly
(12)
$9.79
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Penguin 150B Bio-Wheel Assembly
(2)
$15.99
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Penguin 200B/350B Bio-Wheel Assembly
(10)
$9.29
$11.99
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Bio-Wheel Assembly
(4)
$16.99
$19.99
BOGO 50% Select Aquatic Filter Media
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+ 1 more
Marineland® Black Diamond Carbon
(2)
$22.69
$26.99
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 1 more
Marineland® White Diamond Carbon
(4)
$6.19
$7.79
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 1 more
Marineland® Premium Carbon-Ammonia Neutralizing Blend
(10)
$11.79
BOGO 50% Select Aquatic Filter Media
Save 35% On Your First Autoship Order!
+ 1 more
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Fish Supplies  

With a wide range of supplies, beginners to experienced aquarists are sure to be able to find supplies to create a thriving underwater world. From setting up your first fish tank to finding more specialty products like betta fish tanks, or goldfish supplies, and more, we have got everything you need.  What Do You Need to Own a Fish? When starting a fishkeeping journey there are some essential items needed for your aquatic pet’s comfort as well as health.  PetSmart’s selection includes: 
  • Fish tanks: Available in various sizes to suit your home and the needs of your fish. 
  • Betta tanks: Tailored designs for the unique needs of betta fish. 
  • Goldfish supplies: Food, filters, and tank accessories for your goldfish. 
  • Tropical supplies: Heaters, décor, and care essentials for tropical fish species. 
  • Fish feeders: Automated or manual options to maintain consistent feeding schedules. 
Creating the Perfect Aquarium 
PetSmart is here to provide everything you need for success during the exciting process of building an aquarium: 
  • Fish tanks in a variety of sizes and styles. 
  • High-quality fish aquariums with durable materials and filtration systems. 
  • Décor and substrate to design a visually appealing underwater home. 
Dive into Fishkeeping 
Whether you're caring for a single betta fish or creating a multi-species aquarium, PetSmart has the products and expertise to make your aquatic adventure a success. Visit us today to explore the best in betta fish tanks, goldfish supplies, and everything in between. Make your aquarium dreams a reality with PetSmart, your trusted fish store for all your aquatic needs! 
Frequently Asked Questions (FAQs) 
What do I need to own a fish? 
At a minimum, you’ll need a tank, water conditioner, a filter, fish food, and a heater for tropical species. Additional items like décor and plants can enhance your fish's environment. 
What supplies do I need to start a fish tank? 
You’ll need a tank, substrate, water conditioner, filter, thermometer, heater (for tropical species), and test kits to monitor water quality. 
How often should I feed fish? 
Most fish should be fed once or twice daily in small portions they can consume in a few minutes.