Heaters

(83 results)
Fluval® Plant Stratum Aquarium Substrate
(119)
$23.69
$28.99
Save 35% On Your First Autoship Order!
Sign In & Enjoy Free Shipping Over $49
Fluval AC Power Filter
4 sizes
(96)
$42.99 - $97.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® FX6 Aquarium Canister Filter
(200)
$369.99
$419.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® 407 Performance Aquarium Canister Filter
(120)
$229.99
$269.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® FX4 Aquarium Canister Filter
(125)
$309.99
$359.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval FX2 Aquarium Canister Filter
(32)
$269.99
$319.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® 307 Performance Aquarium Canister Filter
(97)
$189.99
$199.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® 207 Performance Aquarium Canister Filter
(81)
$159.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval Plant & Shrimp Stratum
(8)
$46.49
$49.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Plant 3.0 Bluetooth LED
4 sizes
(58)
$152.99 - $272.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
FLUVAL Active Carbon Insert 3-Pack
3 sizes
(8)
$6.99 - $12.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Pro-VAC Powered Aquarium Gravel Cleaner
(125)
$52.69
$58.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® Submersible Aquarium Heater
(240)
$32.99 - $38.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® AQUASKY LED Aquarium Light - 18 Watt
(56)
$129.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® AQUASKY LED Aquarium Light - 35 Watt
(46)
$179.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® Aquasky 3.0 LED Aquarium Light
4 sizes
(0)
$79.99 - $169.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® AQUASKY LED Aquarium Light - 27 Watt
(28)
$149.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
FLUVAL AC BioMax Insert 1-Pack
3 sizes
(12)
$2.99 - $9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Quick Clear Water Polishing Pad 306/307/406/407 6PK
(14)
$9.99
$10.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5 Filter Foam Inserts Aquarium Filter Media
(5)
$11.49
$17.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® UltraGrade Carbon
(10)
$8.99
$10.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Sea Mini Protein Skimmer
(10)
$38.89
$52.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® AquaSky LED Aquarium Light - 12 Watt
(32)
$89.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
FLUVAL Bio-Foam Filter Insert 1-Pack
4 sizes
(12)
$3.49 - $7.49
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Plant 4.0 LED Aquarium Light
4 sizes
(0)
$144.99 - $239.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval FX2 Bio Foam Max
(0)
$19.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval Bio-FX Biological Filter Media - 5 L
(4)
$22.99
$25.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Marine Nano LED Light w/Bluetooth
(6)
$109.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® FX6 Service Kit
(1)
$53.59
$55.99
Sign In & Enjoy Free Shipping Over $49
Fluval® M-Series Submersible Heater
(151)
$30.99
$36.99
Free Same-Day Delivery, No Order Minimum!
Sign In & Enjoy Free Shipping Over $49
Fluval® Bug Bites Tropical Flakes
(39)
$5.99
$9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Bug Bites Color Enhancing Flakes
(32)
$9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval Phosphate Resin Infused Pads
(4)
$8.29
$9.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® 207/307 & 206/306 Bio-Foam Max Filter Pad - 2pk
(6)
$3.99
$7.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5/FX6 Bio Foam 2 Pack
(6)
$15.99
$17.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® FX5/FX6 Carbon Foam 2 Pack
(1)
$16.49
$16.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® SEA CP1 Circulation Pump
(2)
$23.09
$25.39
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
Fluval® Underwater 3 Filter
(20)
$44.99
$74.99
Sign In & Enjoy Free Shipping Over $49
Fluval® BioMax Media
(20)
$12.99
$22.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
FluFluval® Quick Clear Water Polishing Pad 106/107/206/207 3PK
(12)
$4.79
$6.99
Save 35% On Your First Autoship Order!
Free Same-Day Delivery, No Order Minimum!
+ 1 more
  1. 1
  2. 2
  3. 3
Creating the perfect habitat for your pet fish is a big part of their care. For some fish, aquarium heaters might be necessary in order to keep their habitat at the perfect temperature in which they’ll thrive. Pet parents looking for fish tank heaters can find everything they need at PetSmart. Here, we want to help you give your fish the best care with the best products. 
Our selection of fish tank heaters includes products like: 
Betta Bowl/Tank Heaters
Compact/Aquarium Heaters
Submersible Tank Heaters
Wi-Fi Fish Habitat Heaters
And More
PetSmart offers the best selection of fish habitat heaters to help you create the perfect home for your pet. Need something else for your fish tank? We also sell other heating/lighting products such as light bulbs/accessories for fish tanks along with hoods and glass canopies for aquariums. 
PetSmart also offers convenient shopping with curbside or in-store pickup. Need something today? We have select items available for same-day delivery in most areas powered by DoorDash. For items you purchase frequently, PetSmart has Autoship that automatically delivers the items you want to your door as often as you’d like. Check the website to see what items are eligible.