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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

(438 results)
Top Fin® Pre-Conditioned Aquarium Water - Fish Tank Care - 2.5 Gallon

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

(249)
$16.99
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Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier
4 sizes

Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier

(383)
$3.99
$6.99
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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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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)
$9.59
$18.99
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Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

(37)
$21.39
$25.99
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Top Fin® Pre-Conditioned Betta Aquarium Water - 1 Gallon

Top Fin® Pre-Conditioned Betta Aquarium Water - 1 Gallon

(12)
$12.99
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Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner
2 sizes

Seachem® Stability® New Tank Stabilization System Aquarium Water Conditioner

(214)
$5.49
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API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating
6 sizes

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

(542)
$2.28
$4.99
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Tetra® TetraMin® Tropical Flakes Fish Food Complete Diet for Tropical Fish
4 sizes

Tetra® TetraMin® Tropical Flakes Fish Food Complete Diet for Tropical Fish

(299)
$4.24
$4.99
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Tetra® 6-in-1 Aquarium Water Test Strips for Aquarium Water Testing

Tetra® 6-in-1 Aquarium Water Test Strips for Aquarium Water Testing

(77)
$9.99
$12.99
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Top Fin® Silenstream Filter Cartridge - Fish Tank Filter Cartridges - 3 Count

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

(122)
$17.99
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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)
$6.99
$15.99
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Top Fin® Betta Pellets Fish Food - 1 oz

Top Fin® Betta Pellets Fish Food - 1 oz

(8)
$3.99
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Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
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Instant Ocean® Sea Salt for Saltwater Aquariums
2 sizes

Instant Ocean® Sea Salt for Saltwater Aquariums

(87)
$22.39
$23.99
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Instant Ocean® Reef Crystals - Reef Salt for Marine & Saltwater Aquariums
2 sizes

Instant Ocean® Reef Crystals - Reef Salt for Marine & Saltwater Aquariums

(66)
$25.92
$28.99
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Top Fin® Silenstream™ Small Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Silenstream™ Small Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(65)
$9.99
$15.99
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Top Fin® Silenstream™ Large Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Silenstream™ Large Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(137)
$17.99
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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

(66)
$9.19
$12.99
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API® Guide Fish Problem Solving General Cure for Aquarium Fish Health

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

(62)
$19.99
$23.99
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Tetra® TetraPond Koi Vibrance Color Enhancing

Tetra® TetraPond Koi Vibrance Color Enhancing

(58)
$48.99
Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
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Top Fin® CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count
2 sizes

Top Fin® CN-S Corner Filter Cartridges - Fish Tank Filter Cartridges - 3-6 Count

(52)
$8.99
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Top Fin® Internal Filter Cartridges - IF-S - Fish Tank Filter Cartridges - 10 Gallon

Top Fin® Internal Filter Cartridges - IF-S - Fish Tank Filter Cartridges - 10 Gallon

(36)
$7.99
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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
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API® Quick Start Aquarium Cycling Water Conditioner
3 sizes

API® Quick Start Aquarium Cycling Water Conditioner

(312)
$8.68
$8.99
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API® E.M. Erythromycin Fish Bacterial Infection Treatment for Bacterial Infections

API® E.M. Erythromycin Fish Bacterial Infection Treatment for Bacterial Infections

(77)
$21.99
$26.99
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Marineland® Penguin Rite Size C Power Filter Cartridges for Fish Tank Filters

Marineland® Penguin Rite Size C Power Filter Cartridges for Fish Tank Filters

(84)
$19.97
$24.99
Buy 3, get the 4th FREE on ALL aquatic media, online only.
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API® Root Tabs Aquarium Plant Fertilizer- 10 count for Live Aquarium Plants

API® Root Tabs Aquarium Plant Fertilizer- 10 count for Live Aquarium Plants

(8)
$9.99
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Top Fin® Retreat™ RF-L Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

Top Fin® Retreat™ RF-L Filter Cartridges - Fish Tank Filter Cartridges - 6 Count

(109)
$15.99
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API® FIN & BODY CURE POWDER for Aquarium Fish Health

API® FIN & BODY CURE POWDER for Aquarium Fish Health

(70)
$16.38
$19.99
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Free Same-Day Delivery, No Order Minimum!
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Hikari® Algae Wafers™ Fish Food for Bottom Feeders Sinking Food
2 sizes

Hikari® Algae Wafers™ Fish Food for Bottom Feeders Sinking Food

(161)
$8.99
$9.99
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Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
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Tetra® TetraFin Goldfish Flakes Fish Food Complete Diet
3 sizes

Tetra® TetraFin Goldfish Flakes Fish Food Complete Diet

(162)
$4.74
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Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
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Instant Ocean Reef Crystals Reef Salt 200 Gal for Marine & Reef Aquariums

Instant Ocean Reef Crystals Reef Salt 200 Gal for Marine & Reef Aquariums

(1)
$84.77
$99.69
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Top Fin® Pond Koi Fish Food Daily Diet - 4-10 lb
2 sizes

Top Fin® Pond Koi Fish Food Daily Diet - 4-10 lb

(66)
$19.99
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Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
+ 3 more
TetraPond Spring and Fall Fish Diet for Koi & Goldfish

TetraPond Spring and Fall Fish Diet for Koi & Goldfish

(22)
$29.97
$31.49
Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
Save 40% On First Autoship Order of Aquatic Food
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API® Saltwater Aquarium Master Test Kit for Saltwater Aquarium Testing

API® Saltwater Aquarium Master Test Kit for Saltwater Aquarium Testing

(10)
$35.99
$37.99
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Tetra® PlecoWafers™ Nutritionally Balanced Fish Food for Algae Eaters Complete Diet

Tetra® PlecoWafers™ Nutritionally Balanced Fish Food for Algae Eaters Complete Diet

(8)
$5.67
$5.99
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Earn 20% in savings (10X pts) on ALL fish, reptile, bird & small pet food (includ. reptile feeders) thru 10/12. Excludes feeder fish.
+ 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
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Top Fin® Aquarium Water Conditioner - 4-16 fl oz
3 sizes

Top Fin® Aquarium Water Conditioner - 4-16 fl oz

(261)
$4.99
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Top Fin® Readistart Aquarium Nitrifying Bacteria Starter - 4-8 oz
2 sizes

Top Fin® Readistart Aquarium Nitrifying Bacteria Starter - 4-8 oz

(174)
$7.99
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Top Fin® Internal Filter Cartridges - IF-M - Fish Tank Filter Cartridges - 20 Gallon

Top Fin® Internal Filter Cartridges - IF-M - Fish Tank Filter Cartridges - 20 Gallon

(23)
$7.99
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