Black Friday Fish deals

Valid thru 11/30

Marine & Freshwater

(396 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4248)
$34.99 - $119.99
Save 50% on 10 Gallon and Under Top Fin Essential Starter Kits!
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
+ 1 more
Top Fin® Large Power Filter Cartridges
(279)
$17.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 2 more
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo
(70)
$249.99
$449.99
$200 off Top Fin 36 Gallon Ensemble
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
+ 1 more
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(468)
$97.49
$194.99
Save 50% on Select Essential Starter Kits
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
+ 1 more
Top Fin® Fascinate Column Starter Kit
(310)
$44.99
$89.99
Save 50% on 10 Gallon and Under Top Fin Essential Starter Kits!
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
+ 1 more
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes
(44)
$59.99 - $89.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(234)
$8.99 - $17.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Silenstream™ Small Filter Cartridges
(65)
$14.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Compact Aquarium Heater
3 sizes
(485)
$14.59 - $33.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(373)
$8.99 - $17.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(216)
$16.99 - $58.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1509)
$18.99 - $49.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(66)
$7.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$8.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(47)
$7.99 - $25.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Sponge Filter
3 sizes
(204)
$9.99 - $19.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Airline Tubing
2 sizes
(98)
$4.99 - $7.69
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Fine Mesh Fish Net
(114)
$1.49
$2.49
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Captivate Starter Kit
(416)
$67.49
$134.99
Save 50% on Select Essential Starter Kits
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
+ 1 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(266)
$254.99
$299.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 15% on Select Top Fin Aquarium Stands!
+ 1 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(141)
$254.99
$299.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 15% on Select Top Fin Aquarium Stands!
+ 1 more
Top Fin® 10 Gallon Angled Aquarium
(147)
$89.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Stand - 20 to 37 Gallon
(126)
$152.99
$179.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 15% on Select Top Fin Aquarium Stands!
+ 1 more
Top Fin® 5 Gallon Shrimp & Plant Aquarium
(89)
$69.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Stand - 20 to 37 Gallon
(139)
$152.99
$179.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 15% on Select Top Fin Aquarium Stands!
+ 1 more
Top Fin® Silenstream™ Large Filter Cartridges
(137)
$14.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Half Moon Aquarium - 3.5 Gallon
(2072)
$39.99
$44.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Half Moon Betta Aquarium only $39.99!
+ 2 more
Top Fin® Stone & Coral Bubbler Aquarium Ornament
(289)
$59.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
B2G1 more Free Aquatic Ornaments excluding Glofish
+ 2 more
Top Fin® LED Bubble Wall Aquarium Kit
2 sizes
(842)
$89.99 - $134.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
Top Fin® Shrimp & Plant Oasis Tank - 3 Gallon
(286)
$54.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Ship Aquarium Ornament
(77)
$109.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
B2G1 more Free Aquatic Ornaments excluding Glofish
+ 2 more
Top Fin® Premium Aquarium Gravel - Brown & White
(32)
$25.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Custom Colorflow™ Aquarium with 7 Color-Changing LEDs
2 sizes
(1381)
$48.07 - $69.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Glass Aquarium - 5 Gallon
(1570)
$69.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
Top Fin® Greenery Driftwood Aquarium Ornament
(148)
$49.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
B2G1 more Free Aquatic Ornaments excluding Glofish
+ 2 more
Top Fin® Premium Aquarium Gravel - Bright White
3 sizes
(62)
$4.99 - $25.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Retreat™ RF-L Filter Cartridges
(109)
$14.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Diamond Aquarium - 1 Gallon
(782)
$24.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Gravel Vacuum
4 sizes
(808)
$9.99 - $21.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Fin Automatic Fish Feeder
(260)
$29.99
Earn 10,000 points PER DAY ($20 back in savings) when you spend $100+ on merchandise and services.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
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Explore Our Extensive Range of Fish Supplies 

At PetSmart, we offer a comprehensive selection of supplies for both freshwater and marine fish enthusiasts. Whether you're setting up a new aquarium or maintaining an existing one, our range of products ensures your aquatic pets thrive. From aquarium decor to essential maintenance tools, find everything you need to create a vibrant underwater world. 

Freshwater and Marine Fish Supplies 

Our collection includes a variety of aquarium accessories and pet fish supplies designed to cater to the unique needs of both freshwater and marine environments. Explore our selection of aquarium decor to enhance the beauty of your tank, and discover top-quality marine aquarium supplies to support the health of your aquatic life. 

Essential Aquarium Maintenance 

Maintaining a healthy aquarium requires the right tools and knowledge. Our range of aquarium maintenance products includes everything from filters to water conditioners, ensuring your tank remains a safe and clean environment for your fish. Learn how to maintain pH levels and keep your aquarium filter running efficiently with our expert tips. 

Frequently Asked Questions (FAQs) 

What maintenance does a fish tank need? 
Regular maintenance is crucial for a healthy aquarium. This includes cleaning the tank, changing the water, and checking the filter and pH levels. 
Can I put tap water in my fish tank? 
Tap water can be used in your fish tank, but it should be treated with a water conditioner to remove harmful chemicals like chlorine. 
Should an aquarium filter be on all the time? 
Yes, an aquarium filter should run continuously to maintain water quality and provide a healthy environment for your fish. 
How to maintain pH level in an aquarium? 
To maintain the pH level in your aquarium, regularly test the water and use pH adjusters as needed. Consistent water changes also help stabilize pH levels.