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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

(1542 results)
Top Fin® Essentials Aquarium Starter Kit - Fish Tank Starter Kit - 5-55 Gallon
6 sizes

Top Fin® Essentials Aquarium Starter Kit - Fish Tank Starter Kit - 5-55 Gallon

(4503)
$41.99
$69.99
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Aqueon® Standard Glass Rectangle Aquarium Glass Fish Tank 2.5 Gallon - 55 Gallon
6 sizes

Aqueon® Standard Glass Rectangle Aquarium Glass Fish Tank 2.5 Gallon - 55 Gallon

(396)
$11.99
$23.99
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Save 50% on select Marineland® & Aqueon® open-glass aquariums thru 9/27
Buy Any Open Glass Tank, Get 20% OFF Top Fin Glass Hood, online only
+ 1 more
Top Fin® Pre-Conditioned Aquarium Water - Fish Tank Water Care - 2.5 Gallon

Top Fin® Pre-Conditioned Aquarium Water - Fish Tank Water Care - 2.5 Gallon

(249)
$16.99
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+ 1 more
API® Freshwater Aquarium Master Test Kit for pH, Ammonia, Nitrite & Nitrate

API® Freshwater Aquarium Master Test Kit for pH, Ammonia, Nitrite & Nitrate

(455)
$35.99
$39.99
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+ 2 more
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)
$16.99
$28.99
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Marineland® Open Glass Aquarium Glass Fish Tank 10 Gallon - 75 Gallon
3 sizes

Marineland® Open Glass Aquarium Glass Fish Tank 10 Gallon - 75 Gallon

(222)
$17.99
$35.99
Options from
Save 50% on select Marineland® & Aqueon® open-glass aquariums thru 9/27
Buy Any Open Glass Tank, Get 20% OFF Top Fin Glass Hood, online only
+ 1 more
Top Fin® Large Power Filter Cartridges - Fish Tank Filter Cartridges - 12 Count

Top Fin® Large Power Filter Cartridges - Fish Tank Filter Cartridges - 12 Count

(298)
$17.99
Free Same-Day Delivery, No Order Minimum!
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+ 1 more
Top Fin® All-In-One Betta Aquarium Starter Kit - Betta Fish Tank Starter Kit - 3 Gallon

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

(520)
$32.99
$54.99
Save 40% on select aquarium starter kits thru 9/7
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CaribSea Super Naturals Aquarium Sand - White Fish Tank Sand

CaribSea Super Naturals Aquarium Sand - White Fish Tank Sand

(37)
$21.33
$27.99
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Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier
4 sizes

Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier

(379)
$3.19
$6.99
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+ 1 more
Top Fin® Premium Aquarium Gravel - Classic Beach - Fish Tank Substrate - 5 lb

Top Fin® Premium Aquarium Gravel - Classic Beach - Fish Tank Substrate - 5 lb

(68)
$7.99
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Top Fin® Anubias Barteri Live Plant - Live Aquarium Plant for Fish Tanks - 4 in

Top Fin® Anubias Barteri Live Plant - Live Aquarium Plant for Fish Tanks - 4 in

(51)
$6.99
Earn 3,000 pts ($6 in savings) when you buy any Aquatic Tank & Ornaments or Plants (incl Live) in the same transaction thru 9/27. One-time use only.
Free Same-Day Delivery, No Order Minimum!
Marineland® High Definition LED Ensemble - 75 Gallon Fish Tank Kit with LED

Marineland® High Definition LED Ensemble - 75 Gallon Fish Tank Kit with LED

(599)
$449.99
$799.99
Save $350 on Marineland® High Definition LED Ensemble - 75 Gallon Fish Tank Kit with LED
Top Fin® Bow Front Aquarium Starter Kit - Fish Tank Starter Kit - 36 Gallon

Top Fin® Bow Front Aquarium Starter Kit - Fish Tank Starter Kit - 36 Gallon

(499)
$107.99
$179.99
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Top Fin® Fascinate Column Aquarium Starter Kit - Fish Tank Starter Kit - 10 Gallon

Top Fin® Fascinate Column Aquarium Starter Kit - Fish Tank Starter Kit - 10 Gallon

(383)
$53.99
$89.99
Save 40% on select aquarium starter kits thru 9/7
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Top Fin® Aquarium Sand - Black - Aquarium Substrate, Fish Tank Sand - 5-20 lb
2 sizes

Top Fin® Aquarium Sand - Black - Aquarium Substrate, Fish Tank Sand - 5-20 lb

(6)
$9.99
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Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

(37)
$20.50
$25.99
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+ 1 more
Top Fin® Corner Tank Aquarium Starter Kit - Fish Tank Starter Kit - 6 Gallon

Top Fin® Corner Tank Aquarium Starter Kit - Fish Tank Starter Kit - 6 Gallon

(393)
$50.99
$84.99
Save 40% on select aquarium starter kits thru 9/7
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Top Fin® Silenstream™ Aquarium Power Filter - Fish Tank Power Filter - 10-75 Gallon
5 sizes

Top Fin® Silenstream™ Aquarium Power Filter - Fish Tank Power Filter - 10-75 Gallon

(1610)
$18.99
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Top Fin® PF-S Silenstream Aquarium Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count
2 sizes

Top Fin® PF-S Silenstream Aquarium Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count

(242)
$8.99
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+ 1 more
Top Fin® Live Plant Variety Pack - Small - Live Aquarium Plant for Fish Tanks - 4 in

Top Fin® Live Plant Variety Pack - Small - Live Aquarium Plant for Fish Tanks - 4 in

(2)
$16.99
Earn 3,000 pts ($6 in savings) when you buy any Aquatic Tank & Ornaments or Plants (incl Live) in the same transaction thru 9/27. One-time use only.
Top Fin® Aquarium Hinged Glass Lid - Fish Tank Lid, Glass Aquarium Canopy - 2.5-75 Gallon
7 sizes

Top Fin® Aquarium Hinged Glass Lid - Fish Tank Lid, Glass Aquarium Canopy - 2.5-75 Gallon

(342)
$16.99
Options from
Buy Any Open Glass Tank, Get 20% OFF Top Fin Glass Hood, online only
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Element EF-S Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count
3 sizes

Top Fin® Element EF-S Filter Cartridges - Fish Tank Filter Cartridges - 3-12 Count

(386)
$8.99
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+ 1 more
CaribSea Super Naturals Premium Aquarium Substrate Fish Tank Substrate

CaribSea Super Naturals Premium Aquarium Substrate Fish Tank Substrate

(63)
$21.33
$29.99
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Top Fin® Half Moon Aquarium - Fish Tank Aquarium - 3.5 Gallon

Top Fin® Half Moon Aquarium - Fish Tank Aquarium - 3.5 Gallon

(2100)
$34.99
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Top Fin® Pre-Conditioned Betta Aquarium Water Fish Tank Water Care - 1 Gallon

Top Fin® Pre-Conditioned Betta Aquarium Water Fish Tank Water Care - 1 Gallon

(12)
$11.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Activ-Flora Floracor Black Planted Aquarium Substrate Planted Tank Substrate

Activ-Flora Floracor Black Planted Aquarium Substrate Planted Tank Substrate

(23)
$20.80
$24.99
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Top Fin® Compact Aquarium Heater - Fish Tank Heater - 50-150 Watt
3 sizes

Top Fin® Compact Aquarium Heater - Fish Tank Heater - 50-150 Watt

(518)
$14.59
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Top Fin® Java Fern Live Plant - Live Aquarium Plant for Fish Tanks - 4-12 in
2 sizes

Top Fin® Java Fern Live Plant - Live Aquarium Plant for Fish Tanks - 4-12 in

(3)
$6.99
Options from
Earn 3,000 pts ($6 in savings) when you buy any Aquatic Tank & Ornaments or Plants (incl Live) in the same transaction thru 9/27. One-time use only.
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(212)
$3.94
$4.99
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+ 1 more
Top Fin® Aquarium Gravel Vacuum - Multi-Size Fish Tank Gravel Vacuum - Small-Large
4 sizes

Top Fin® Aquarium Gravel Vacuum - Multi-Size Fish Tank Gravel Vacuum - Small-Large

(837)
$9.99
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Top Fin® Aquarium Air Pump - Fish Tank Air Pump
3 sizes

Top Fin® Aquarium Air Pump - Fish Tank Air Pump

(796)
$17.39
$18.99
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Seachem® Purigen® Premium Synthetic Absorbent - Aquarium Filter Media for Fish Tanks
2 sizes

Seachem® Purigen® Premium Synthetic Absorbent - Aquarium Filter Media for Fish Tanks

(64)
$9.19
$11.99
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+ 2 more
Top Fin® Silenstream Filter Cartridge - Fish Tank Filter Cartridges - 3 Count

Top Fin® Silenstream Filter Cartridge - Fish Tank Filter Cartridges - 3 Count

(122)
$8.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 2 more
Top Fin® Dwarf Hairgrass Live Plant Tissue Culture - Live Aquarium Plant for Fish Tanks

Top Fin® Dwarf Hairgrass Live Plant Tissue Culture - Live Aquarium Plant for Fish Tanks

(39)
$9.99
Earn 3,000 pts ($6 in savings) when you buy any Aquatic Tank & Ornaments or Plants (incl Live) in the same transaction thru 9/27. One-time use only.
Free Same-Day Delivery, No Order Minimum!
Top Fin® Amazon Sword Live Plant - Live Aquarium Plant for Fish Tanks - 4-12 in
3 sizes 1 color

Top Fin® Amazon Sword Live Plant - Live Aquarium Plant for Fish Tanks - 4-12 in

(184)
$6.99
Options from
Earn 3,000 pts ($6 in savings) when you buy any Aquatic Tank & Ornaments or Plants (incl Live) in the same transaction thru 9/27. One-time use only.
Free Same-Day Delivery, No Order Minimum!
API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating
6 sizes

API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating

(540)
$2.28
$4.99
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+ 2 more
API® Guide Fish Problem Solving General Cure for Aquarium Fish Health

API® Guide Fish Problem Solving General Cure for Aquarium Fish Health

(62)
$16.38
$23.49
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