15% OFF $49 with Same-Day Delivery, use: TODAY15 thru 9/13, see terms* >

Dive into fish deals

Find starter kits, upgrade your tank, add finned friends & more

Shop now

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

(78 results)
Fluval® Plant & Shrimp Stratum Aquarium Substrate Planted Tank Substrate Shrimp Substrate
3 sizes

Fluval® Plant & Shrimp Stratum Aquarium Substrate Planted Tank Substrate Shrimp Substrate

(133)
$15.99
$17.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Sign In & Enjoy Free Shipping Over $49
Fluval® FX6 Aquarium Canister Filter for Fish Tank Filtration

Fluval® FX6 Aquarium Canister Filter for Fish Tank Filtration

(226)
$406.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® FX4 Aquarium Canister Filter for Fish Tank Filtration

Fluval® FX4 Aquarium Canister Filter for Fish Tank Filtration

(140)
$337.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® 407 Performance Aquarium Canister Filter for Fish Tank Filtration

Fluval® 407 Performance Aquarium Canister Filter for Fish Tank Filtration

(131)
$256.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® FX2 Aquarium Canister Filter for Fish Tank Filtration

Fluval® FX2 Aquarium Canister Filter for Fish Tank Filtration

(45)
$296.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® Plant 4.0 LED Aquarium Light for Planted Aquariums
4 sizes

Fluval® Plant 4.0 LED Aquarium Light for Planted Aquariums

(12)
$149.99
$179.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval AC Power Filter for Fish Tank Filtration
4 sizes

Fluval AC Power Filter for Fish Tank Filtration

(168)
$49.99
$56.99
Options from
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® 307 Performance Aquarium Canister Filter for Fish Tank Filtration

Fluval® 307 Performance Aquarium Canister Filter for Fish Tank Filtration

(106)
$217.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® 207 Performance Aquarium Canister Filter for Fish Tank Filtration

Fluval® 207 Performance Aquarium Canister Filter for Fish Tank Filtration

(87)
$170.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 2 more
Fluval® Pro-VAC Powered Aquarium Gravel Cleaner - Aquarium Cleaning Tool for Fish Tanks

Fluval® Pro-VAC Powered Aquarium Gravel Cleaner - Aquarium Cleaning Tool for Fish Tanks

(143)
$58.99
$86.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval AC20 Power Filter - Aquarium Filter Media for Fish Tanks

Fluval AC20 Power Filter - Aquarium Filter Media for Fish Tanks

(12)
$41.99
$45.99
Online Only - Save 25% on select Top Fin & Fluval power filters with code: FILTER25
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
+ 1 more
Fluval® Aquasky 3.0 LED Aquarium Light for Fish Tanks
4 sizes

Fluval® Aquasky 3.0 LED Aquarium Light for Fish Tanks

(4)
$79.99
$89.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
FLUVAL Active Carbon Insert 3-Pack - Aquarium Filter Media for Fish Tanks
3 sizes

FLUVAL Active Carbon Insert 3-Pack - Aquarium Filter Media for Fish Tanks

(16)
$5.99
$7.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Submersible Aquarium Heater for Fish Tanks

Fluval® Submersible Aquarium Heater for Fish Tanks

(258)
$35.99
$38.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5 Filter Foam Inserts Aquarium Filter Media for Fish Tank Filters

Fluval® FX5 Filter Foam Inserts Aquarium Filter Media for Fish Tank Filters

(7)
$20.59
$22.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
FLUVAL AC BioMax Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks
3 sizes

FLUVAL AC BioMax Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks

(20)
$2.99
$6.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Quick Clear Water Polishing Pad 306/307/406/407 6PK for Fish Tank Filters

Fluval® Quick Clear Water Polishing Pad 306/307/406/407 6PK for Fish Tank Filters

(18)
$10.99
$11.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® UltraGrade Carbon - Aquarium Filter Media for Fish Tanks

Fluval® UltraGrade Carbon - Aquarium Filter Media for Fish Tanks

(10)
$14.99
$15.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Sea Mini Protein Skimmer - Saltwater Aquarium Filtration

Fluval® Sea Mini Protein Skimmer - Saltwater Aquarium Filtration

(13)
$41.49
$52.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Plant 3.0 Bluetooth LED for Planted Aquariums
4 sizes

Fluval® Plant 3.0 Bluetooth LED for Planted Aquariums

(62)
$149.99
$179.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® M-Series Submersible Heater for Fish Tanks

Fluval® M-Series Submersible Heater for Fish Tanks

(160)
$32.99
$36.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
FLUVAL Bio-Foam Filter Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks
4 sizes

FLUVAL Bio-Foam Filter Insert 1-Pack - Biological Aquarium Filter Media for Fish Tanks

(14)
$3.49
$3.99
Options from
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Bug Bites Tropical Flakes Fish Food Complete Diet

Fluval® Bug Bites Tropical Flakes Fish Food Complete Diet

(39)
$6.69
$9.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Save 35% On Your First Autoship Order!
+ 2 more
Fluval® Bug Bites Color Enhancing Flakes Fish Food Complete Diet

Fluval® Bug Bites Color Enhancing Flakes Fish Food Complete Diet

(38)
$7.29
$9.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Save 35% On Your First Autoship Order!
+ 2 more
Fluval FX2 Bio Foam Max - Biological Aquarium Filter Media for Fish Tanks

Fluval FX2 Bio Foam Max - Biological Aquarium Filter Media for Fish Tanks

(1)
$19.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval Bio-FX Biological Filter Media - 5 L - Biological Aquarium Filter Media

Fluval Bio-FX Biological Filter Media - 5 L - Biological Aquarium Filter Media

(6)
$49.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Marine Nano LED Light w/Bluetooth for Saltwater Reef Tanks

Fluval® Marine Nano LED Light w/Bluetooth for Saltwater Reef Tanks

(6)
$109.99
$124.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX6 Service Kit for Fish Tank Filtration

Fluval® FX6 Service Kit for Fish Tank Filtration

(1)
$52.99
$89.99
Sign In & Enjoy Free Shipping Over $49
Fluval® AquaSky LED Aquarium Light - 12 Watt for Fish Tanks

Fluval® AquaSky LED Aquarium Light - 12 Watt for Fish Tanks

(34)
$79.99
$89.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval Phosphate Resin Infused Pads - Aquarium Filter Media for Fish Tanks

Fluval Phosphate Resin Infused Pads - Aquarium Filter Media for Fish Tanks

(6)
$10.99
$11.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® AQUASKY LED Aquarium Light - 18 Watt for Fish Tanks

Fluval® AQUASKY LED Aquarium Light - 18 Watt for Fish Tanks

(56)
$119.99
$129.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® AQUASKY LED Aquarium Light - 35 Watt for Fish Tanks

Fluval® AQUASKY LED Aquarium Light - 35 Watt for Fish Tanks

(46)
$179.99
$199.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5/FX6 Bio Foam 2 Pack - Biological Aquarium Filter Media for Fish Tanks

Fluval® FX5/FX6 Bio Foam 2 Pack - Biological Aquarium Filter Media for Fish Tanks

(6)
$18.99
$19.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® FX5/FX6 Carbon Foam 2 Pack - Aquarium Filter Media for Fish Tanks

Fluval® FX5/FX6 Carbon Foam 2 Pack - Aquarium Filter Media for Fish Tanks

(1)
$18.99
$19.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® SEA CP1 Circulation Pump for Aquarium Water Circulation

Fluval® SEA CP1 Circulation Pump for Aquarium Water Circulation

(4)
$39.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Underwater 2 Filter - Internal Fish Tank Filter

Fluval® Underwater 2 Filter - Internal Fish Tank Filter

(30)
$47.99
$59.99
Sign In & Enjoy Free Shipping Over $49
Fluval® BioMax Media - Biological Aquarium Filter Media for Fish Tanks

Fluval® BioMax Media - Biological Aquarium Filter Media for Fish Tanks

(20)
$19.99
$22.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Clearmax Phosphate Remover - Aquarium Filter Media for Fish Tanks

Fluval® Clearmax Phosphate Remover - Aquarium Filter Media for Fish Tanks

(25)
$18.99
$19.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval® Zeo-Carb Filter Media for Fish Tank Filters

Fluval® Zeo-Carb Filter Media for Fish Tank Filters

(14)
$15.99
$16.99
Save 15% when you spend $49+ on FREE Same-Day Delivery w/ code TODAY15
Buy 3, get the 4th FREE on ALL aquatic media, online only.
+ 3 more
Fluval AC Series Intake Strainer Sponge - Replacement Aquarium Filter Media for Fish Tanks
2 sizes

Fluval AC Series Intake Strainer Sponge - Replacement Aquarium Filter Media for Fish Tanks

(2)
$1.99
Options from
Buy 3, get the 4th FREE on ALL aquatic media, online only.
Save 35% On Your First Autoship Order!
+ 1 more
  2. 1
  3. 2
*Details available on the Promotional Terms Page.