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Fish Tank Heater & Aquarium Heaters for Fish Tanks

An aquarium heater isn't just for raising up a fish tank's temperature to a warmer level. It is also used to maintain a stable temperature in the aquarium. Keeping a stable temperature with a submersible or hang on aquarium heater is absolutely critical. Changes in aquarium temperature can have a big effect on the feeding habits and color of aquarium fish. Heaters have become easier to use over the years, including built in thermostats and temperature controls which can be dialed in and then left alone to keep the water at a set temperature.

Aqueon Pro Fish Tank Heater

Aqueon Pro Fish Tank Heater

Only heater you should consider
Pros: shatterproof great customer service
Cons: not one that I've found
I seldom write reviews but I love this heater! My first one stopped working and I called the company - they sent a replacement out before they received the broken one. I chose this one because it's sh...
 
Aqueon Pro Fish Tank Heater On Sale!
Aqueon Pro Fish Tank Heater
Starting At:
$2629
Was: $30.99
Save: $4.70
(25 Reviews)
Aquatop Submersible Glass Heater
Starting At:
$1499
(2 Reviews)
Marineland Precision Submersible Aquarium Heaters On Sale!
Marineland Precision Submersible Aquarium Heaters
Starting At:
$1999
Was: $24.99
Save: $5.00
(0 Reviews)
Hydor Theo Aquarium Heaters On Sale!
Hydor Theo Aquarium Heaters
Starting At:
$1699
Was: $19.99
Save: $3.00
(16 Reviews)
Eheim Jager Thermostatic Heater On Sale!
Eheim Jager Thermostatic Heater
Starting At:
$2159
Was: $23.99
Save: $2.40
(6 Reviews)
AquaTop Titanium Heater
Starting At:
$6999
(3 Reviews)
Lee's Heater Holders On Sale!
Lee's Heater Holders
Only:
$129
Was: $1.79
Save: $0.50
(0 Reviews)
Hagen Radiant Aquarium Heaters On Sale!
Hagen Radiant Aquarium Heaters
Starting At:
$599
Was: $6.99
Save: $1.00
(4 Reviews)
Hydor Slim Heater for Bettas & Bowls On Sale!
Hydor Slim Heater for Bettas & Bowls
Only:
$999
Was: $11.99
Save: $2.00
(0 Reviews)
True Temp Digital Heater Controller On Sale!
True Temp Digital Heater Controller
Only:
Was: $77.20
(1 Review)
Hydor Slim Fish Tank Heater On Sale!
Hydor Slim Fish Tank Heater
Only:
$1189
Was: $13.99
Save: $2.10
(2 Reviews)
Fluval E Series Fish Tank Heaters
Starting At:
$5299
(20 Reviews)
Hydor ETH External Thermal Aquarium Heater On Sale!
Hydor ETH External Thermal Aquarium Heater
Starting At:
$4499
Was: $49.99
Save: $5.00
(15 Reviews)
Fluval Compact Aquarium Heater
Only:
$2399
(0 Reviews)
Hydroset Electronic Thermostats On Sale!
Hydroset Electronic Thermostats
Starting At:
$4499
Was: $49.99
Save: $5.00
(0 Reviews)
Aquatop Titanium Heater with Digital Controller
Starting At:
$8999
(0 Reviews)