Deals on fish & aquariums

Build your most beautiful underwater ecosystem yet

Fish Shops

(43 results)
Seachem® Prime® Aquarium Water Conditioner
4 sizes
(359)
$3.79 - $16.69
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes
(190)
$3.99 - $8.39
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Purigen® Premium Synthetic Absorbent
2 sizes
(54)
$9.19 - $15.79
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Matrix™
3 sizes
(20)
$5.29 - $35.09
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Flourish Excel™
(10)
$7.89
$11.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Clarity™
(16)
$8.69
$14.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Purigen®
(10)
$57.19
$115.31
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Stability®
2 sizes
(8)
$48.19 - $77.09
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Prime®
2 sizes
(5)
$52.19 - $88.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Alert Combo™ Aquarium pH & Ammonia Detector
(76)
$15.49
$18.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Reef Strontium™
(0)
$7.03
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Iodide™
2 sizes
(0)
$8.39 - $10.19
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Advantage Magnesium™
2 sizes
(0)
$6.09 - $22.79
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Plus™
2 sizes
(0)
$7.29 - $10.69
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Buffer™
2 sizes
(0)
$7.19 - $21.00
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Fusion 2™
2 sizes
(0)
$8.59 - $20.19
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Fusion 1™
2 sizes
(0)
$8.59 - $12.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Status Calcium Kit
(0)
$34.49
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Carbonate™
2 sizes
(0)
$6.39 - $6.89
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
SeaChem Reef Complete Marine Care
(0)
$7.09
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® PhosGuard™
(3)
$4.89
$7.69
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® CupriSorb™ - Copper & Heavy Metal Absorbent
(0)
$6.97
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Matrix Carbon™
(0)
$6.07
$9.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® The Bag ™ Welded Filter
(4)
$10.19
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem Flourish Potassium™
(6)
$9.49
$11.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Flourish Excel™
2 sizes
(2)
$36.19 - $66.70
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Flourish®
(4)
$39.89
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Phosguard™
2 sizes
(4)
$32.30 - $60.39
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Cichlid Lake Salt™
(0)
$23.89
$41.06
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal™ 75 Zeolite Filter Pouch
(0)
$8.19
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal™ 110 MatrixCarbon
(0)
$17.59
$20.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal™ 75 Matrix Carbon
(0)
$10.19
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal Matrix™
(0)
$7.69
$12.29
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal Matrix™
(2)
$7.69
$11.29
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal ™
(0)
$8.39
$16.88
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal ™
(0)
$6.99
$10.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Tidal ™
(0)
$9.99
$11.69
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
Seachem® Marine Buffer™
(0)
$23.19
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Reef Complete™
(0)
$10.59
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Seachem® Tidal™ Zeolite
(0)
$13.49
$14.99
Buy 1 Get the 2nd 50% Top Fin, Tetra & Seachem Media
Save 35% On Your First Autoship Order!
+ 1 more
  1. 1
  2. 2

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.