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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

(1515 results)
Top Fin® Essentials Aquarium Starter Kit
6 sizes

Top Fin® Essentials Aquarium Starter Kit

(4445)
$39.99 - $149.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Aqueon® Standard Glass Rectangle Aquarium
6 sizes

Aqueon® Standard Glass Rectangle Aquarium

(382)
$13.49 - $99.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 50% on ALL Marineland® & Aqueon® open-glass aquariums thru 7/5, price displayed
+ 3 more
Top Fin® Pre-Conditioned Aquarium Water

Top Fin® Pre-Conditioned Aquarium Water

(248)
$16.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 1, get the 2nd 25% OFF all Top Fin food & watercare
+ 4 more
Fluval® Plant & Shrimp Stratum Aquarium Substrate
3 sizes

Fluval® Plant & Shrimp Stratum Aquarium Substrate

(133)
$15.99 - $31.49
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
API® Freshwater Aquarium Master Test Kit

API® Freshwater Aquarium Master Test Kit

(455)
$35.99
$39.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon

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

(500)
$27.49
$54.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
CaribSea Super Naturals Aquarium Sand - White

CaribSea Super Naturals Aquarium Sand - White

(33)
$27.19
$27.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
Top Fin® Large Power Filter Cartridges

Top Fin® Large Power Filter Cartridges

(292)
$17.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 3 more
Seachem® Prime® Aquarium Water Conditioner
4 sizes

Seachem® Prime® Aquarium Water Conditioner

(377)
$3.19 - $16.62
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Java Fern Live Plant
2 sizes

Top Fin® Java Fern Live Plant

(3)
$6.99 - $14.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 2, get the 3rd 50% OFF ALL live aquatic & reptile plants thru 7/5
+ 3 more
Fluval® FX6 Aquarium Canister Filter

Fluval® FX6 Aquarium Canister Filter

(224)
$406.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® High Definition LED Ensemble - 75 Gallon

Marineland® High Definition LED Ensemble - 75 Gallon

(590)
$449.99
$799.99
$350 OFF 75 gallon & 125 gallon ensembles, price displayed.
Buy any fish tank, get 20% OFF select substrate - Online Only!
Top Fin® Aquarium & Stand Ensemble - 36 Gallon

Top Fin® Aquarium & Stand Ensemble - 36 Gallon

(99)
$199.99
$399.99
$200 OFF Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo, price displayed
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 1 more
Marineland® Open Glass Aquarium
3 sizes

Marineland® Open Glass Aquarium

(205)
$18.49 - $159.99
Save 50% on ALL Marineland® & Aqueon® open-glass aquariums thru 7/5, price displayed
Buy Any Open Glass Tank, Get 20% OFF Top Fin Glass Hood - Online Only!
+ 1 more
Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

Top Fin® Bow Front Aquarium Starter Kit - 36 Gallon

(491)
$116.99
$194.99
Buy any fish tank, get 20% OFF select substrate - Online Only!
Save 40% on ALL 20 gallon and above Essentials Starter Kits, price displayed
+ 2 more
Top Fin® Fascinate Column Aquarium Starter Kit

Top Fin® Fascinate Column Aquarium Starter Kit

(372)
$46.49
$92.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Top Fin® Angled Aquarium -10 Gallon

Top Fin® Angled Aquarium -10 Gallon

(167)
$94.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
Nature's Ocean Live Nutri-Seawater

Nature's Ocean Live Nutri-Seawater

(37)
$20.50
$25.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Aquarium Sand - Black
2 sizes

Top Fin® Aquarium Sand - Black

(2)
$9.99 - $24.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 1 more
Top Fin® Silenstream™ Small Filter Cartridges

Top Fin® Silenstream™ Small Filter Cartridges

(65)
$14.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 4 more
Top Fin® PF-S Silenstream Aquarium Filter Cartridges
2 sizes

Top Fin® PF-S Silenstream Aquarium Filter Cartridges

(238)
$8.99 - $17.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 4 more
CaribSea African Cichlid Mix Aquarium Substrate

CaribSea African Cichlid Mix Aquarium Substrate

(43)
$15.39
$29.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
Top Fin® Half Moon Aquarium - 3.5 Gallon

Top Fin® Half Moon Aquarium - 3.5 Gallon

(2096)
$39.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes

Top Fin® Aquarium Hinged Glass Lid

(314)
$16.99 - $58.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy Any Open Glass Tank, Get 20% OFF Top Fin Glass Hood - Online Only!
+ 3 more
Top Fin® Pre-Conditioned Betta Aquarium Water

Top Fin® Pre-Conditioned Betta Aquarium Water

(10)
$11.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 1, get the 2nd 25% OFF all Top Fin food & watercare
+ 4 more
Activ-Flora Floracor Black Planted Aquarium Substrate

Activ-Flora Floracor Black Planted Aquarium Substrate

(23)
$20.80
$24.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 2 more
Top Fin® Compact Aquarium Heater
3 sizes

Top Fin® Compact Aquarium Heater

(507)
$14.59 - $33.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes

Top Fin® Silenstream™ Aquarium Power Filter

(1588)
$18.99 - $49.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
Top Fin® Anubias Barteri Live Plant

Top Fin® Anubias Barteri Live Plant

(48)
$6.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 2, get the 3rd 50% OFF ALL live aquatic & reptile plants thru 7/5
+ 2 more
Top Fin® Element EF-S Filter Cartridges
3 sizes

Top Fin® Element EF-S Filter Cartridges

(384)
$8.99 - $17.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 3, Get the 4th FREE on All Aquatic Media - Online Only!
+ 4 more
Top Fin® Premium Aquarium Gravel - Classic Beach

Top Fin® Premium Aquarium Gravel - Classic Beach

(68)
$7.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy any fish tank, get 20% OFF select substrate - Online Only!
+ 3 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(210)
$3.94 - $8.00
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Top Fin® Amazon Sword Live Plant
3 sizes 1 color

Top Fin® Amazon Sword Live Plant

(175)
$6.99 - $12.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 2, get the 3rd 50% OFF ALL live aquatic & reptile plants thru 7/5
+ 2 more
API® Guide Fish Problem Solving General Cure

API® Guide Fish Problem Solving General Cure

(62)
$16.38
$23.49
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Omega™One Frozen Blood Worms Fish Food

Omega™One Frozen Blood Worms Fish Food

(208)
$8.99
$9.99
Free Same-Day Delivery, No Order Minimum!
API® Stress Coat Tap Water Aquarium Conditioner
6 sizes

API® Stress Coat Tap Water Aquarium Conditioner

(538)
$2.28 - $24.75
Save 15% when you spend $50+ on FREE Same-Day Delivery
Save 35% On Your First Autoship Order!
+ 2 more
Omega™One Frozen Bloodworms Fish Food

Omega™One Frozen Bloodworms Fish Food

(192)
$9.99
Free Same-Day Delivery, No Order Minimum!
Top Fin® Dwarf Hairgrass Live Plant Tissue Culture

Top Fin® Dwarf Hairgrass Live Plant Tissue Culture

(39)
$9.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 2, get the 3rd 50% OFF ALL live aquatic & reptile plants thru 7/5
+ 2 more
Top Fin® Cardinalis Live Plant Tissue Culture

Top Fin® Cardinalis Live Plant Tissue Culture

(65)
$9.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Buy 2, get the 3rd 50% OFF ALL live aquatic & reptile plants thru 7/5
+ 2 more
Top Fin® Aquarium Sponge Filter
3 sizes

Top Fin® Aquarium Sponge Filter

(216)
$9.99 - $19.99
Save 15% when you spend $50+ on FREE Same-Day Delivery
Earn 5X points (10% back in savings) on all Top Fin products!
+ 2 more
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