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Everything you need for happy aquatic life

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How to Set Up an Aquarium

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

Fish

(1533 results)
Top Fin® Essentials Aquarium Starter Kit
8 sizes

Top Fin® Essentials Aquarium Starter Kit

(4299)
$34.99 - $191.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Save 50% on Essential Starter Kits 10 Gallons & Below!
Aqueon Standard Glass Rectangle Aquarium
7 sizes

Aqueon Standard Glass Rectangle Aquarium

(308)
$12.49 - $132.99
Buy Any Open Glass Tank, Get 20% off Top Fin Hoods & Lights!!
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 1 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

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

(441)
$27.49
$54.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Save 50% on Essential Starter Kits 10 Gallons & Below!
+ 1 more
Fluval® Plant Stratum Aquarium Substrate

Fluval® Plant Stratum Aquarium Substrate

(125)
$18.79
$28.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Sign In & Enjoy Free Shipping Over $49
Top Fin® Fascinate Column Starter Kit

Top Fin® Fascinate Column Starter Kit

(324)
$44.99
$89.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Save 50% on Essential Starter Kits 10 Gallons & Below!
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes

Top Fin® Pre-Conditioned Aquarium Water

(234)
$16.79 - $16.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
Top Fin® Large Power Filter Cartridges

Top Fin® Large Power Filter Cartridges

(281)
$17.99
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Compact Aquarium Heater
3 sizes

Top Fin® Compact Aquarium Heater

(495)
$14.59 - $33.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Premium Aquarium Gravel - Classic Beach

Top Fin® Premium Aquarium Gravel - Classic Beach

(66)
$7.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
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
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Anubias Barteri Live Aquatic Plant

Top Fin® Anubias Barteri Live Aquatic Plant

(40)
$5.39
$6.99
Buy 2 Get the 3rd for 50% Off ALL LIVE PLANTS!
Free Same-Day Delivery, No Order Minimum!
Marineland® High Definition LED Ensemble - 75 Gallon

Marineland® High Definition LED Ensemble - 75 Gallon

(578)
$499.99
$799.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Save $300 on Marineland® High Definition LED Ensemble - 75 Gallon!
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo

Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo

(80)
$249.99
$399.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Save $150 on our 36 Gallon Ensemble!
Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

(474)
$155.99
$194.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Enjoy Saving 20% Essential Starter Kits 20 Gallons & Above!
+ 1 more
Marineland Open Glass Aquarium
2 sizes

Marineland Open Glass Aquarium

(180)
$29.99 - $149.99
Buy Any Open Glass Tank, Get 20% off Top Fin Hoods & Lights!!
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Fluval Plant & Shrimp Stratum

Fluval Plant & Shrimp Stratum

(8)
$36.99
$49.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® Freshwater Aquarium Master Test Kit

API® Freshwater Aquarium Master Test Kit

(297)
$35.99
$39.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
+ 2 more
CaribSea Super Naturals Aquarium Sand - Moonlight White

CaribSea Super Naturals Aquarium Sand - Moonlight White

(102)
$19.99
$29.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes

Top Fin® Mystic Oak Finish Aquarium Stand

(48)
$59.99 - $139.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval AC Power Filter
4 sizes

Fluval AC Power Filter

(119)
$42.99 - $99.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
CaribSea Super Naturals Aquarium Sand - White

CaribSea Super Naturals Aquarium Sand - White

(25)
$19.99
$27.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes

Aqua Natural Aquarium Sand - Galaxy Black

(97)
$14.99 - $35.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
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
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes

Top Fin® Aquarium Hinged Glass Lid

(243)
$16.99 - $58.99
Buy Any Open Glass Tank, Get 20% off Top Fin Hoods & Lights!!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea African Cichlid Mix Aquarium Substrate

CaribSea African Cichlid Mix Aquarium Substrate

(37)
$15.39
$29.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Element EF-S Filter Cartridges
3 sizes

Top Fin® Element EF-S Filter Cartridges

(377)
$8.99 - $17.99
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes

Top Fin® Silenstream™ Aquarium Power Filter

(1525)
$18.99 - $49.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
API® E.M. Erythromycin Fish Bacterial Infection Treatment

API® E.M. Erythromycin Fish Bacterial Infection Treatment

(75)
$21.98
$25.08
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
+ 2 more
Omega™One Frozen Blood Worms Fish Food

Omega™One Frozen Blood Worms Fish Food

(208)
$8.99
Buy 1 Get the 2nd for 25% OFF All Frozen Fish Food!
Free Same-Day Delivery, No Order Minimum!
CaribSea Aragonite Aragamax Select Substrate

CaribSea Aragonite Aragamax Select Substrate

(38)
$8.89
$16.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Pre-Conditioned Betta Water

Top Fin® Pre-Conditioned Betta Water

(8)
$11.99
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqua Natural Aquarium Sand - White

Aqua Natural Aquarium Sand - White

(71)
$14.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
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

(363)
$2.29 - $37.58
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
+ 2 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
Get 40% OFF your 1st Autoship order, 20% OFF your 2nd & 10% OFF your 3rd. Place your first order by 1/15
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium BETTAFLO™Filter

Top Fin® Aquarium BETTAFLO™Filter

(574)
$14.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Gravel Vacuum
4 sizes

Top Fin® Aquarium Gravel Vacuum

(816)
$9.99 - $21.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium Air Pump
3 sizes

Top Fin® Aquarium Air Pump

(773)
$17.39 - $20.79
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Zoo Med Mopani Wood Aquarium Ornament
4 sizes

Zoo Med Mopani Wood Aquarium Ornament

(187)
$4.99 - $54.99
Buy 2 Get the 3rd for FREE on Aquatic Ornaments! (excluding GloFish)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Anubias Frazeri Live Plant

Top Fin® Anubias Frazeri Live Plant

(43)
$5.39
$6.99
Buy 2 Get the 3rd for 50% Off ALL LIVE PLANTS!
Free Same-Day Delivery, No Order Minimum!
Top Fin® Premium Aquarium Gravel - Black & Neon
3 sizes

Top Fin® Premium Aquarium Gravel - Black & Neon

(58)
$4.99 - $25.99
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
Free Same-Day Delivery, No Order Minimum!
+ 1 more
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