Fish Sale

(382 results)
Aqueon Standard Glass Rectangle Aquarium
6 sizes
(257)
$13.49 - $114.99
Buy any Open Glass Tank Get 20% off any Top Fin Glass Hood
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 1 more
Top Fin® Essentials Aquarium Starter Kit
8 sizes
(4166)
$34.99 - $149.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Large Power Filter Cartridges
(273)
$17.99
Extra 20% off online only with code SAVE20, see terms
Buy 1 Get 2nd 50% Off all Aquatic Media
+ 2 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(413)
$27.49
$54.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
Fluval® FX6 Aquarium Canister Filter
(200)
$369.99
$419.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland Open Glass Aquarium
3 sizes
(130)
$14.99 - $194.99
Buy any Open Glass Tank Get 20% off any Top Fin Glass Hood
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(461)
$110.99
$194.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
Top Fin® Fascinate Column Starter Kit
(300)
$44.99
$89.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
API® Freshwater Aquarium Master Test Kit
(293)
$35.99
$39.99
Extra 20% off online only with code SAVE20, see terms
Buy 1 Get the 2nd 25% off API Food & Watercare
+ 4 more
Fluval® Plant Stratum Aquarium Substrate
(119)
$23.69
$28.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 3 more
CaribSea Super Naturals Aquarium Sand - Moonlight White
(96)
$19.99
$29.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 2 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes
(225)
$8.99 - $17.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 3 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(363)
$8.99 - $17.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 3 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(186)
$16.99 - $58.99
Extra 20% off online only with code SAVE20, see terms
Buy any Open Glass Tank Get 20% off any Top Fin Glass Hood
+ 2 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes
(87)
$14.39 - $24.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 2 more
CaribSea Super Naturals Aquarium Sand - White
(22)
$19.99
$27.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 2 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(64)
$7.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 2 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment
(73)
$17.89
$26.49
Extra 20% off online only with code SAVE20, see terms
Buy 1 Get the 2nd 25% off API Food & Watercare
+ 4 more
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes
(355)
$2.29 - $37.59
Extra 20% off online only with code SAVE20, see terms
Buy 1 Get the 2nd 25% off API Food & Watercare
+ 4 more
Top Fin® Premium Aquarium Gravel - Caribbean Sea Mix
2 sizes
(45)
$7.99 - $25.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 2 more
Top Fin® Silenstream Filter Cartridge - 3pk
(111)
$8.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 4 more
GloFish® Aquarium Gravel
1 size 4 colors
(126)
$4.09
$6.99
Buy any Glofish Tank, Save 20% on Glofish Accessories
Buy a Glofish Starter Kit, Save 20% on Glofish Accessories
+ 4 more
API® Aquarium Salt
3 sizes
(185)
$8.99 - $112.49
Extra 20% off online only with code SAVE20, see terms
Buy 1 Get the 2nd 25% off API Food & Watercare
+ 4 more
Marineland® High Definition LED Ensemble - 75 Gallon
(604)
$499.99
$849.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo
(61)
$249.99
$449.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Marineland High-Definition LED Ensemble - 125G
(27)
$699.99
$999.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Fluval® 407 Performance Aquarium Canister Filter
(118)
$229.99
$269.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX4 Aquarium Canister Filter
(125)
$309.99
$359.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Silenstream™ Small Filter Cartridges
(63)
$14.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 4 more
Fluval® 307 Performance Aquarium Canister Filter
(97)
$189.99
$199.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Captivate Starter Kit
(414)
$80.99
$134.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
Marineland® Simple Modern LED Aquarium & Stand Ensemble - 45 Gallon
(137)
$349.99
$599.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Fluval FX2 Aquarium Canister Filter
(32)
$269.99
$319.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® 207 Performance Aquarium Canister Filter
(81)
$152.99
$159.99
Extra 20% off online only with code SAVE20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval Plant & Shrimp Stratum
(8)
$46.49
$49.99
Extra 20% off online only with code SAVE20, see terms
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
+ 4 more
Top Fin® Aquarium Stand - 55 to 75 Gallon
(264)
$254.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Stand - 55 to 75 Gallon
(141)
$254.99
$299.99
Sign In & Enjoy Free Shipping Over $49
Top Fin® Split Bowfront Aquarium - 5 Gallon
(752)
$35.99
$59.99
Buy Any Tank Get 20% off Entire Stock Substrate (excludes Gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Internal Filter Cartridges
(28)
$7.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 4 more
Top Fin® CN-S Corner Filter Cartridges
2 sizes
(48)
$8.99 - $14.99
Extra 20% off online only with code SAVE20, see terms
Save 35% On Your First Autoship Order!
+ 4 more
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Discover Great Deals on Fish Supplies at PetSmart 
Your fish deserves the best, and thankfully, it doesn't have to break your budget to build them a beautiful, engaging and safe aquarium. Whether you're setting up a new aquarium or enhancing an existing one, our sales on tanks, décor, filters and more offer everything you need at exceptional prices.
 
Fish tanks and stands for every aquatic environment 
Explore our variety of fish tanks and fish aquarium stands on sale, including options for hobbyists and seasoned aquarists. From small desktop aquariums to large tanks suitable for a diverse array of fish and plants, find the perfect setup to match your home's décor and your aquatic pets' needs.  
 
Fish starter kits to jumpstart your aquarium journey 
Our fish starter kits are a perfect choice for those new to fish keeping. These kits come equipped with all the essentials needed to create a thriving aquatic environment, including tanks, filters, lighting and sometimes even décor. It's an easy and cost-effective way to dive into the hobby. 
 
Enhance your aquarium with our décor options 
Our extensive selection of aquarium décor can transform your tank into a stunning underwater world. Choose from a variety of substrates, artificial plants and themed decorations to create a visually appealing environment for your fish. Décor also provides hiding spots and enriches the habitat for your aquatic pets, making their space as functional as it is beautiful. 
 
Discounts on filters and pumps to maintain a healthy aquarium 
Keeping the water clean and well-oxygenated is crucial for the health of your fish. Our sales on fish supplies include a wide range of filters and pumps that suit various tank sizes and types. These essential items help maintain water clarity, remove waste and ensure proper circulation, creating a safe and healthy environment for your aquatic life. 
 
Why shop for fish supplies at PetSmart? 
Shopping at PetSmart means you get access to high-quality products at competitive prices. With special PetSmart fish deals on a variety of fish supplies, you can set up and maintain your aquarium without stretching your budget. Enjoy convenient shopping features like in-store and curbside pickup and take advantage of free shipping for Treats Members on orders over $49. Whether you are just starting or looking to upgrade your aquarium setup, PetSmart is your go-to destination for all things aquatic. Shop now and see how our products can enhance your fish keeping experience.