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BOGO 25% OFF callout, Exclusively at PetSmart badge & Top Fin products

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on ALL Top Fin essentials starter kits*
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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

(1531 results)
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
Online Only! Save 20% on your purchase with code SAVE20
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
+ 4 more
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

(4485)
$39.99 - $199.99
Save 50% on ALL 10 gallon & below Top Fin Essentials Starter Kits, price displayed.
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 2 more
Aqueon® Standard Glass Rectangle Aquarium Glass Fish Tank
6 sizes

Aqueon® Standard Glass Rectangle Aquarium Glass Fish Tank

(386)
$13.49 - $99.99
Only Online - Save 50% on 29 gallon & below open-glass aquariums thru 8/30, price displayed
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 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
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® Open Glass Aquarium Glass Fish Tank
3 sizes

Marineland® Open Glass Aquarium Glass Fish Tank

(216)
$18.49 - $149.99
Earn 5,000 pts ($10 back in savings) when you spend $50+ on all Marineland products thru 8/30. One-time use only.
Only Online - Save 50% on 29 gallon & below open-glass aquariums thru 8/30, price displayed
+ 2 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

(294)
$17.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 3, get the 4th FREE on all aquatic media - online only
+ 3 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)
$15.99 - $31.49
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 1 more
Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier
4 sizes

Seachem® Prime® Aquarium Water Conditioner Chlorine & Ammonia Detoxifier

(379)
$3.19 - $16.62
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Marineland® High Definition LED Ensemble - 75 Gallon Fish Tank Kit with LED

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

(595)
$499.99
$799.99
Earn 5,000 pts ($10 back in savings) when you spend $50+ on all Marineland products thru 8/30. One-time use only.
Save $300 on Marineland® High Definition LED Ensemble - 75 Gallon, price displayed
+ 2 more
Top Fin® Aquarium & Stand Ensemble - Fish Tank & Stand Ensemble - 36 Gallon

Top Fin® Aquarium & Stand Ensemble - Fish Tank & Stand Ensemble - 36 Gallon

(102)
$399.99
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 1 more
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

(495)
$143.99
$179.99
Save 20% on ALL 20 gallon & above Top Fin Essentials Starter Kits, price displayed.
Online Only! Save 20% on your purchase with code SAVE20
+ 3 more
CaribSea Super Naturals Aquarium Sand - White Fish Tank Sand

CaribSea Super Naturals Aquarium Sand - White Fish Tank Sand

(33)
$21.33
$27.99
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 2 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

(512)
$27.49
$54.99
Save 50% on ALL 10 gallon & below Top Fin Essentials Starter Kits, price displayed.
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 2 more
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

(377)
$46.49
$92.99
Save 50% on ALL 10 gallon & below Top Fin Essentials Starter Kits, price displayed.
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 2 more
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 - $24.99
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 2 more
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

(330)
$16.99 - $58.99
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 2 more
Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

Nature's Ocean Live Nutri-Seawater for Saltwater Aquariums

(37)
$20.50
$25.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
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 - $17.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 3, get the 4th FREE on all aquatic media - online only
+ 3 more
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
Online Only! Save 20% on your purchase with code SAVE20
Buy 1, get the 2nd 25% OFF ALL Top Fin® food & water care products thru 8/30
+ 4 more
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

(1598)
$18.99 - $49.99
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 2 more
Top Fin® Compact Aquarium Heater - Fish Tank Heater - 50-150 Watt
3 sizes

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

(511)
$14.59 - $33.99
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 2 more
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

(50)
$6.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2, get the 3rd 50% OFF on ALL live aquatic plants
+ 2 more
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 - $14.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2, get the 3rd 50% OFF on ALL live aquatic plants
+ 3 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
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
+ 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 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Aqua Natural Aquarium Sand - White Fish Tank Sand

Aqua Natural Aquarium Sand - White Fish Tank Sand

(73)
$12.99
Online Only! Save 20% on your purchase with code SAVE20
Buy any tank, get 20% OFF entire stock substrate (excludes Gems)
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 - $15.79
Online Only! Save 20% on your purchase with code SAVE20
Buy 3, get the 4th FREE on all aquatic media - online only
+ 3 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
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 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
Online Only! Save 20% on your purchase with code SAVE20
Buy 2, get the 3rd 50% OFF on ALL live aquatic plants
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 - $21.99
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 2 more
Omega™One Frozen Bloodworms Fish Food High-Protein Frozen Fish Food for Aquarium Fish

Omega™One Frozen Bloodworms Fish Food High-Protein Frozen Fish Food for Aquarium Fish

(192)
$9.99
Online Only! Save 20% on your purchase with code SAVE20
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

(179)
$6.99 - $12.99
Online Only! Save 20% on your purchase with code SAVE20
Buy 2, get the 3rd 50% OFF on ALL live aquatic plants
+ 2 more
API® Stress Coat Tap Water Aquarium Conditioner for Tap Water Dechlorinating
6 sizes

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

(538)
$2.28 - $37.58
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
San Francisco Bay Brand® Sally's Frozen Spirulina Brine Shrimp™ Frozen Fish Food

San Francisco Bay Brand® Sally's Frozen Spirulina Brine Shrimp™ Frozen Fish Food

(51)
$8.99
$9.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
API® Quick Start Aquarium Cycling Water Conditioner
3 sizes

API® Quick Start Aquarium Cycling Water Conditioner

(310)
$8.99 - $17.38
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Top Fin® Aquarium Air Pump - Fish Tank Air Pump
3 sizes

Top Fin® Aquarium Air Pump - Fish Tank Air Pump

(794)
$17.39 - $20.79
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 2 more
Omega™One Frozen Blood Worms Fish Food High-Protein Frozen Fish Food for Aquarium Fish

Omega™One Frozen Blood Worms Fish Food High-Protein Frozen Fish Food for Aquarium Fish

(210)
$8.99
$9.99
Online Only! Save 20% on your purchase with code SAVE20
Free Same-Day Delivery, No Order Minimum!
Top Fin® Aquarium Sponge Filter - Fish Tank Sponge Filter - 20-75 Gallon
3 sizes

Top Fin® Aquarium Sponge Filter - Fish Tank Sponge Filter - 20-75 Gallon

(216)
$9.99 - $19.99
Online Only! Save 20% on your purchase with code SAVE20
10X points (20% back in savings) on PetSmart-exclusive brands thru 8/9.
+ 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
Online Only! Save 20% on your purchase with code SAVE20
Buy 2, get the 3rd 50% OFF on ALL live aquatic plants
+ 2 more
Tetra® 6-in-1 Aquarium Water Test Strips for Aquarium Water Testing

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

(75)
$9.99
$11.99
Online Only! Save 20% on your purchase with code SAVE20
Save 35% On Your First Autoship Order!
+ 2 more
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*Details available on the Promotional Terms Page.