LAST DAY! EXTRA 20% OFF thousands of items with: EARLYBF20* >

Make the aquarium sparkle

Starter kits & essentials for cleaning & care

Shop by category

Shop by fish

Shop by brand

Shop by tank size

How to Set Up an Aquarium

Learn what you'll need & how to put it together for a happy fish habitat.

Fish

(1565 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes

Top Fin® Essentials Aquarium Starter Kit

(4246)
$34.99 - $191.99
Save 50% on 10 Gallon and Under Top Fin Essential Starter Kits!
Free Same-Day Delivery, No Order Minimum!
Aqueon Standard Glass Rectangle Aquarium
7 sizes

Aqueon Standard Glass Rectangle Aquarium

(291)
$12.49 - $94.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
Top Fin® Pre-Conditioned Aquarium Water
2 sizes

Top Fin® Pre-Conditioned Aquarium Water

(228)
$16.79 - $16.99
Extra 20% off online only with code EARLYBF20, see terms
Save 35% On Your First Autoship Order!
+ 1 more
Top Fin® Large Power Filter Cartridges

Top Fin® Large Power Filter Cartridges

(279)
$17.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 2 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

(423)
$27.49
$54.99
Save 50% on 10 Gallon and Under Top Fin Essential Starter Kits!
Free Same-Day Delivery, No Order Minimum!
Marineland Open Glass Aquarium
3 sizes

Marineland Open Glass Aquarium

(168)
$17.59 - $149.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
Merry & Bright® Holiday Tree Light-Up Aquarium Décor

Merry & Bright® Holiday Tree Light-Up Aquarium Décor

(0)
$7.99
Extra 20% off online only with code EARLYBF20, see terms
Earn 2X Points (4% Savings) on Holiday Merchandise
+ 3 more
Fluval® FX6 Aquarium Canister Filter

Fluval® FX6 Aquarium Canister Filter

(202)
$369.99
$419.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® 407 Performance Aquarium Canister Filter

Fluval® 407 Performance Aquarium Canister Filter

(124)
$229.99
$269.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval FX2 Aquarium Canister Filter

Fluval FX2 Aquarium Canister Filter

(36)
$269.99
$319.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

(468)
$155.99
$194.99
Extra 20% off online only with code EARLYBF20, see terms
Save 20% on 20 Gallon and Above Top Fin Essential Starter Kits!
+ 1 more
Top Fin® Fascinate Column Starter Kit

Top Fin® Fascinate Column Starter Kit

(310)
$44.99
$89.99
Save 50% on 10 Gallon and Under Top Fin Essential Starter Kits!
Free Same-Day Delivery, No Order Minimum!
API® Freshwater Aquarium Master Test Kit

API® Freshwater Aquarium Master Test Kit

(293)
$35.99
$39.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 25% all API Food & Watercare
+ 3 more
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes

Top Fin® Mystic Oak Finish Aquarium Stand

(44)
$59.99 - $89.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Instant Ocean® Sea Salt
2 sizes

Instant Ocean® Sea Salt

(83)
$21.19 - $52.99
Extra 20% off online only with code EARLYBF20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Fluval® Plant Stratum Aquarium Substrate

Fluval® Plant Stratum Aquarium Substrate

(121)
$23.69
$28.99
Extra 20% off online only with code EARLYBF20, see terms
Sign In & Enjoy Free Shipping Over $49
Fluval Plant & Shrimp Stratum

Fluval Plant & Shrimp Stratum

(8)
$46.49
$49.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea Super Naturals Aquarium Sand - Moonlight White

CaribSea Super Naturals Aquarium Sand - Moonlight White

(102)
$19.99
$29.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval AC Power Filter
4 sizes

Fluval AC Power Filter

(107)
$42.99 - $99.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes

Aqua Natural Aquarium Sand - Galaxy Black

(91)
$14.39 - $24.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes

Top Fin® PF-S Silenstream Aquarium Filter Cartridges

(234)
$8.99 - $17.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Silenstream™ Small Filter Cartridges

Top Fin® Silenstream™ Small Filter Cartridges

(65)
$14.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Compact Aquarium Heater
3 sizes

Top Fin® Compact Aquarium Heater

(485)
$14.59 - $33.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea Super Naturals Aquarium Sand - White

CaribSea Super Naturals Aquarium Sand - White

(22)
$19.99
$27.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes

Top Fin® Aquarium Hinged Glass Lid

(216)
$16.99 - $58.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Prime® Aquarium Water Conditioner
4 sizes

Seachem® Prime® Aquarium Water Conditioner

(369)
$3.79 - $16.69
Extra 20% off online only with code EARLYBF20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Element EF-S Filter Cartridges
3 sizes

Top Fin® Element EF-S Filter Cartridges

(371)
$8.99 - $17.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes

Top Fin® Silenstream™ Aquarium Power Filter

(1509)
$18.99 - $49.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment

API® E.M. Erythromycin Fish Bacterial Infection Treatment

(75)
$21.98
$25.08
Extra 20% off online only with code EARLYBF20, see terms
BOGO 25% all API Food & Watercare
+ 3 more
Aqua Natural Aquarium Substrate - Gold Pearl

Aqua Natural Aquarium Substrate - Gold Pearl

(21)
$5.59
$14.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Merry & Bright® Fireplace Light-Up Aquarium Décor

Merry & Bright® Fireplace Light-Up Aquarium Décor

(0)
$12.99
Extra 20% off online only with code EARLYBF20, see terms
Earn 2X Points (4% Savings) on Holiday Merchandise
+ 3 more
Aqua Natural Aquarium Sand - White

Aqua Natural Aquarium Sand - White

(68)
$14.39
$14.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes

API® Stress Coat Tap Water Aquarium Conditioner

(361)
$2.29 - $37.58
Extra 20% off online only with code EARLYBF20, see terms
BOGO 25% all API Food & Watercare
+ 3 more
Top Fin® Anubias Barteri Live Aquatic Plant

Top Fin® Anubias Barteri Live Aquatic Plant

(40)
$5.39
$6.99
Extra 20% off online only with code EARLYBF20, see terms
Buy 2 get the 3rd 50% off ALL Live Aquatic Plants
+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach

Top Fin® Premium Aquarium Gravel - Classic Beach

(66)
$7.99
Extra 20% off online only with code EARLYBF20, see terms
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Omega™One Frozen Blood Worms Fish Food

Omega™One Frozen Blood Worms Fish Food

(206)
$8.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 25% OFF All Frozen Fish Food
+ 1 more
Omega™One Frozen Bloodworms

Omega™One Frozen Bloodworms

(186)
$9.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 25% OFF All Frozen Fish Food
+ 1 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(198)
$3.99 - $8.39
Extra 20% off online only with code EARLYBF20, see terms
Save 35% On Your First Autoship Order!
+ 2 more
Seachem® Purigen® Premium Synthetic Absorbent
2 sizes

Seachem® Purigen® Premium Synthetic Absorbent

(54)
$9.19 - $15.79
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 3 more
Top Fin® Silenstream Filter Cartridge - 3pk

Top Fin® Silenstream Filter Cartridge - 3pk

(111)
$8.99
Extra 20% off online only with code EARLYBF20, see terms
BOGO 50% Off All Aquatic Media
+ 3 more
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. ...
  8. 25
Legit ScriptDot Pharmacy
Download on the App StoreDownload on the Google Play Store
Copyright © 2025 Petsmart LLC
RecallsTerms of UsePrivacy PolicyInterest-Based AdsCA Supply Chain ActCA Privacy RightsYour Privacy ChoicesPrivacy Icon
*See Promotional Terms Page for details. Exclusions may apply. While supplies last. Prices & selection may vary by store & online.