Freshen up their space

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
(4303)
$34.99 - $143.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 1 more
Aqueon Standard Glass Rectangle Aquarium
7 sizes
(308)
$11.49 - $94.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
LIMITED TIME ONLY! Save 50% on Open Glass Aquariums!
+ 3 more
Top Fin® All-In-One Betta Aquarium Starter Kit - 3 Gallon
(445)
$27.49
$54.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Top Fin® Fascinate Column Starter Kit
(324)
$44.99
$89.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Fluval® Plant Stratum Aquarium Substrate
(125)
$18.79
$28.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water
2 sizes
(234)
$16.79 - $16.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
Top Fin® Large Power Filter Cartridges
(281)
$17.99
Online Only! Save 20% on your purchase with code SAVE20
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
+ 2 more
Top Fin® Compact Aquarium Heater
3 sizes
(495)
$14.59 - $33.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach
(66)
$7.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Seachem® Prime® Aquarium Water Conditioner
4 sizes
(369)
$3.79 - $16.69
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Anubias Barteri Live Aquatic Plant
(40)
$5.39
$6.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2 Get the 3rd for 50% Off ALL LIVE PLANTS!
+ 1 more
Marineland® High Definition LED Ensemble - 75 Gallon
(578)
$449.99
$799.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
LIMITED TIME ONLY! Save $350 on Marineland® High Definition LED Ensemble - 75 Gallon!
+ 1 more
Top Fin® 36 Gallon Aquarium & Stand Ensemble Combo
(80)
$199.99
$399.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
LIMITED TIME ONLY! Save $200 on our 36 Gallon Ensemble!
+ 1 more
Top Fin® Bow Front Aquarium Starter Kit -  36 Gallon
(474)
$116.99
$194.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
LIMITED TIME ONLY! Save 40% on Select Essential Starter Kits!
+ 2 more
Marineland Open Glass Aquarium
2 sizes
(180)
$14.99 - $149.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
LIMITED TIME ONLY! Save 50% on Open Glass Aquariums!
+ 3 more
Fluval Plant & Shrimp Stratum
(8)
$36.99
$49.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
API® Freshwater Aquarium Master Test Kit
(297)
$35.99
$39.99
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea Super Naturals Aquarium Sand - Moonlight White
(102)
$19.99
$29.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Top Fin® Mystic Oak Finish Aquarium Stand
3 sizes
(50)
$59.99 - $139.99
Earn 5,000 points ($10 back in savings) when you spend $50+ on beds, crates, habitats, tanks, & more
Online Only! Save 20% on your purchase with code SAVE20
+ 2 more
Fluval AC Power Filter
4 sizes
(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
(25)
$19.99
$27.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Aqua Natural Aquarium Sand - Galaxy Black
2 sizes
(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
(234)
$8.99 - $17.99
Online Only! Save 20% on your purchase with code SAVE20
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
+ 3 more
Top Fin® Aquarium Hinged Glass Lid
7 sizes
(245)
$16.99 - $58.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Open Glass Tank, Get 20% off Top Fin Hoods & Lights!!
+ 2 more
CaribSea African Cichlid Mix Aquarium Substrate
(37)
$15.39
$29.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Top Fin® Pre-Conditioned Betta Water
(8)
$11.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
CaribSea Aragonite Aragamax Select Substrate
(38)
$8.89
$16.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
Top Fin® Element EF-S Filter Cartridges
3 sizes
(377)
$8.99 - $17.99
Online Only! Save 20% on your purchase with code SAVE20
Online Only! Buy 3 Get the 4th FREE on Aquatic Media!
+ 3 more
Top Fin® Silenstream™ Aquarium Power Filter
5 sizes
(1525)
$18.99 - $49.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
API® E.M. Erythromycin Fish Bacterial Infection Treatment
(75)
$21.98
$25.08
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
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!
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
(363)
$2.29 - $37.58
Buy 1 Get the 2nd for 25% Off on API Food & Watercare!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes
(198)
$3.99 - $8.39
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Top Fin® Aquarium BETTAFLO™Filter
(574)
$14.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Gravel Vacuum
4 sizes
(818)
$9.99 - $21.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Air Pump
3 sizes
(773)
$17.39 - $20.79
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Zoo Med Mopani Wood Aquarium Ornament
4 sizes
(187)
$4.99 - $54.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2 Get the 3rd for FREE on Aquatic Ornaments! (excluding GloFish)
+ 2 more
Top Fin® Anubias Frazeri Live Plant
(43)
$5.39
$6.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2 Get the 3rd for 50% Off ALL LIVE PLANTS!
+ 1 more
Top Fin® Premium Aquarium Gravel - Black & Neon
3 sizes
(58)
$4.99 - $25.99
Online Only! Save 20% on your purchase with code SAVE20
Buy Any Tank & Save 20% OFF All Substrate, Sand & Gravel! (excludes gems)
+ 2 more
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