Editor's Choice - Our Favorite Tetra Aquarium Heaters

1. Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt,green

User Ratings: 67 10

Tetra 26445 First Impressions

"5 gallons."

Once attached to the tank wall I've had no issues with it coming off. For Discus you need warm and accurate heater and this seems to do the trick. It comes with a hanging kit and can be secured on the edge of the tank. And I get to keep the first one I bought! I recieved this product without the instructions or the added thermometer. Keeps the water consistent and it's easy to adjust! The setting always stayed the same.

  • Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt,green
  • Protective plastic cage to prevent breakage
  • Automatic thermostat maintains water temperature at 78 Fahrenheit.
  • Plastic cage has openings so that the 8-foot cord can adapt to any direction
  • Two oversized suction cups provide maximum hold to prevent movement by active reptiles. Appropriate for heating up to 30 gallons of water
  • Note:Refer user manual below for proper installation and specification.
  • Protective plastic cage to prevent breakage
  • Automatic thermostat maintains water temperature at 78°F
  • Plastic cage has openings so that the 8-foot cord can adapt to any direction
  • Manufacture: Tetra
  • Product Dimensions: 3.5 x 2.25 x 9.27 inches; 1.6 Ounces
  • Editor's Impressions Of The Tetra 26445
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Tetra 26445 Final Thoughts

"It easy to set."

Seems to keep the temp n the tank fairly regular. Maintains it well except when the weather is already warm then it over heats it. Also I like how it shows both the current temperature and the set temperature. I contacted the manufacturer and they sent me a new unit in less than a week! The temperatures are pretty accurate. Am a totally sold customer and would recommend them to anybody! I think it works well to not stand out like other heaters.

Overall Score
4.2


(2210 Points)

2. Fluval Edge 25W Compact Heater

User Ratings: 66 14

Fluval A756 First Impressions

"I got the 100 watt one."

Or better yet, conceal it to the back corner. They promptly fixed the issue without any delays or drama. I like to keep it at 72 and from my thermometer it is reading at exactly 72. It just cycles through to 93f and starts over. Come on Fluval, expect better from you. This is a powerful heater that holds temperature very well. I recieved this product without the instructions or the added thermometer.

  • Fluval Edge 25W Compact Heater
  • Provides even and efficient heat distribution
  • Ideal for use with the Fluval Edge Aquarium
  • Maintains set temperature of 78 degrees Farenheit
  • Polymer exterior prevents breakage
  • Manufacture: Fluval
  • Product Dimensions: 2 x 1 x 11 inches; 6.49 Ounces
  • Editor's Impressions Of The Fluval A756
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Fluval A756 Final Thoughts

"Until the next time."

So when I first received it it didn't work and I was very disappointed. The heater is super thin and the reflective surface is interesting. Two inches above that is a waterline for maximum. I love the heater otherwise, but I'm afraid some water has gotten inside the heater. So when I first received it it didn't work and I was very disappointed. Per my thermometers, they are all staying constant. I will definitely be buying another one for my other tanks at bigger one.

Overall Score
4.1


(264 Points)

3. K&H Pet Products Perfect Bucket Heater w/ Cord Clip Gray 5" 80W

User Ratings: 74 9

K&H PET PRODUCTS 100213458 First Impressions

"Problem solved."

Now, both points are clear on the package instructions. We would consider a replacement and then we would return the defective unit. My fish likes to get close to it and he has never been hurt by it. 210 gallon ones and one 90 gallon bow front tank. I'm in the process of setting up for tanks. It is safe and dependable and comes with a one year warranty. It's pretty noticeable, but I don't really care.

  • K&H Pet Products Perfect Bucket Heater w/ Cord Clip Gray 5" 80W
  • Safely Maintains open water to -20 Degree
  • Durable Enamel finish is easy to clean
  • Thermostatically controlled, using Only 80 watts
  • Free cord safety clip included
  • This K&H deicer has been tested & certified by MET Labs to exceed USA/CA electrical safety standards
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 8.15 x 5.6 x 2.35 inches; 1.11 Pounds
  • Editor's Impressions Of The K&H PET PRODUCTS 100213458
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

K&H PET PRODUCTS 100213458 Final Thoughts

"Looks as advertised."

So far I like it setup was super easy. This is only day one though, so I shall keep an eye one it. The temperatures are pretty accurate. When i installed them, i let them sit in the tanks without power for 6-24 hours. Very easy to install and the adjustable temperature gauge is pretty accurate. The temperature difference was very minor. Seems to keep the temp n the tank fairly regular.

Overall Score
4.4


(328 Points)

4. Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Bet...

User Ratings: 70 6

hygger First Impressions

"Great heater."

Keeps the water consistent and it's easy to adjust! The controller is easy to use, very accurate and reliable. I like the fact that it comes with a digital thermometer. I use this little heater for my 10 gallon quarantine tank. And kids love pushing all sorts of buttons. So far I like it setup was super easy. I have a 10gallon tank that was at 72 degrees.

  • Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat 50W/100W
  • 【For Fish Tank 5-15 gallon】50W aquarium heater, voltage AC110-120V 60HZ, power cord is 4.6ft. Heater rod length is 5 inch, mini compact heater for small fish tank use. Perfect for betta tank. A very compact heater, easy to hide in the tank
  • 【Automatic Stop & Restart】Effectively maintain the tank water in the constant temp you set, stop heating when water temp reaches to the set temp and restart heating when the water temp is 1-2℉ below the set temp.The indicator light on the controller will be on red when it's heating, will be off when it stop heating
  • 【With Built-in Thermometer】you can set the the temp from 68℉ to 90℉,temp exactness is within 2 degrees in fahrenheit. There is a built-in thermometer in the heater to detect the water temp, not need to buy seperate thermometer
  • 【Durable Quartz Glass】this aquarium heater tube is heat-resistant quartz glass made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more
  • 【Fully Submersible】this fish tank heater is waterproof, must be fully submerged in water when working, place it horizontally or vertically near the water intake or where the way of water flow
  • Manufacture: hygger
  • Editor's Impressions Of The hygger
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

hygger Final Thoughts

"Buy with confidence!"

Those turned out to be a hit and miss. When i installed them, i let them sit in the tanks without power for 6-24 hours. --The heater itself is a bit shorter if your tank is a short one. I bought a similar one at the pet store and it barely worked. But my guys don't read them and don't listen! I am very happy with this purchase. So when I first received it it didn't work and I was very disappointed.

Overall Score
4.4


(475 Points)

5. JBJ Aquarium Arctica Titanium Chiller

User Ratings: 73 7

JBJ 1/5 HP First Impressions

"That wasn't a good sign."

I have a 10gallon tank that was at 72 degrees. But I am single and don't have to worry about this. 210 gallon ones and one 90 gallon bow front tank. Easy to read the temp and know exactly how warm the water is. This heater warmed it right up and now my Betta and guppies are more active. The temperature lights up so it's very easy to read. I noticed my old hygger heater beginning to fail and my wife ordered this one.

  • JBJ Aquarium Arctica Titanium Chiller
  • Aquarium arctica titanium chiller; smart memory chip restores to last set temperature after power failure; digital LED temperature controller can easily be read day or night; quick installation with hose.
  • Highly efficient condenser; use less energy
  • Corrosion resistant; contains safe ozone friendly refrigerant R-134A
  • Country Of Origin: South Korea
  • Manufacture: Transworld Aquatic
  • Product Dimensions: 13 x 21 x 20 inches; 46 Pounds
  • Editor's Impressions Of The JBJ 1/5 HP
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

JBJ 1/5 HP Final Thoughts

"9 degrees."

I had a thermometer on opposite side of tank and the heater was dead on true. I left seller feedback yesterday but have yet to hear from the seller. The bonus digital thermometer it came with has been super helpful, and is accurate. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. I'm not a big fan of the big glass tubes. The design is sleek and modern looking. Also I like how it shows both the current temperature and the set temperature.

Overall Score
4.4


(55 Points)

6. Aquarium Heater, 100W 300W 500w Submersible Fish Tank Heater with Titanium Tube Thermostat System LE...

User Ratings: 73 8

SeaELF First Impressions

"Suction cups stick."

This does a great job at regulating the temp in my 10 gallon. I'm in the process of setting up for tanks. Also were nice along the whole process. I contacted the manufacturer and they sent me a new unit in less than a week! The temperature lights up so it's very easy to read. Personally for me the housing doesn't bother me. Thanks for the great customer service!

  • Aquarium Heater, 100W 300W 500w Submersible Fish Tank Heater with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 50-80 Gallon Tank
  • Premium Titanium Alloy Material & pinpoint probe : The seaELF aquarium heater made by premium titanium alloy, shatterproof, anti explosion, anti cracking and anti-corrosion than quartz glass aquarium heater and stainless steel tank heater, good for fresh water and sea water. The precise sensing probe on the top of heater for pinpoint temperature and double seal design to ensure safe operation. The heating tube with CE, RoHS, FC approved and the plug with UL approved.
  • Remote Controller & LCD Display : Update design with remote controller and LCD display , easy to setting and adjusting the aquarium heater’s temperature by remote controller and easy know the tank’s temperature by the LCD display, no need to buy extra temperature and wet your hands to setting the temperature again. (the remote is non waterproof, please keep it away from water).
  • Intelligent Overheating Protection & Lack-of Water Protection : With double sensing probe on the top, it will accurate detect the temperature and water, once overheating or the water cant cover the top of this aquarium heater, it will automatic power-off, prevent electric shock & burns and keep you and your fish safe. (E2,E8 display are mean overheating, please increase the water circulation when it happens)
  • Intelligent Thermostat Heating System :This aquarium heater made with intelligent thermostat heating system, it will heating automatically once the water temperature is less than the setting temperature and stop heating once it reached the setting temperature. Keep the aquarium water in a same temperature environment to protect fishes, amphibians, turtles and so on.(Please install it near a strong water flow).
  • 100% satisfaction : Just to show you how confident we are that your fish will enjoy the aquarium water heater, we are giving you a 6 month money-back guarantee, if there any problem when you install the heater or any un-satisfied with this product, please feel free to contact us for resend or refund, we will dealing with it within 48 hrs.
  • Manufacture: SeaELF
  • Editor's Impressions Of The SeaELF
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

SeaELF Final Thoughts

"I like this heater."

Now, both points are clear on the package instructions. We received the chiller promptly and put it into use. Well I bought a second one took me only one trying to get the right temperature. The cover over the heating tubes is great, the turtles claws can't damage the tube. I use a 50 for a 5 gal and a 10 gal tank. My marina heater takes a few hours. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank.

Overall Score
4.4


(348 Points)

7. CNZ EH-300W 300W Aquarium Glass Submersible Heater, 2-Pack

User Ratings: 63 7

CNZ First Impressions

"I have a betta in a 1."

The temperature gauge is fairly accurate in my 55 gallon tank. Am a totally sold customer and would recommend them to anybody! The setting always stayed the same. --The heater itself is a bit shorter if your tank is a short one. This product came in the nick of time! Easy to read the temp and know exactly how warm the water is. Ick for instance detaches from fish at 86 degrees and dies at 89.

  • CNZ EH-300W 300W Aquarium Glass Submersible Heater, 2-Pack
  • Fully submersible glass heater for reliable aquarium performance
  • Set desired aquarium temperature & on/off indicator light confirms operation
  • Fast heating and accurate heating temperature range is 68-93F (20-34C)
  • On/off indicator light allows simple, visual confirmation of heater operation
  • Wattage: 300-watt; Heater Length:14"; Tank Capacity: 75gal; Voltage: 110-120v 60Hz
  • Manufacture: CNZ
  • Editor's Impressions Of The CNZ
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

CNZ Final Thoughts

"No issues."

It does blend well in some setups and may look bulky in others. But my guys don't read them and don't listen! I have only had minor problems with the suction cups. I contacted the manufacturer and they sent me a new unit in less than a week! I got this heater for my 55 gallon aquarium. This this is amazing and is worth the money. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank.

Overall Score
4.2


(155 Points)

8. Hydor Submersible Glass Aquarium Heater - Original Theo

User Ratings: 56 18

Hydor T11702 First Impressions

"Highly recommended."

This has been in my fish tank for a few months now and it's been absolutely perfect! Checked the accuracy of the heater with an infrared thermometer. We would consider a replacement and then we would return the defective unit. So far I like it setup was super easy. I adjusted the set temperature a little lower to be more in the range I wanted. Sometimes it gets outside of it's ability to cool but only within a few degrees. It's only been set up for a month we'll see how well it does in a few months.

  • Hydor Submersible Glass Aquarium Heater - Original Theo
  • High resistance - the first shatter proof heater
  • Shock resistant
  • Position vertical, horizontal and completely submerged
  • Graduated scale for precise maintenance of set temperature
  • No damage in case of running dry
  • Manufacture: Hydor USA, Inc.
  • Product Dimensions: 3.5 x 2 x 10 inches; 8 Ounces
  • Editor's Impressions Of The Hydor T11702
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Hydor T11702 Final Thoughts

"I like the size."

Was very impressed with the quality of this heater. It took me only two tries to get it to the correct temperature. Easy enough to let it run all the time. I dont know, and havent tried just yet. Beware, but we are hoping for a good outcome! Also were nice along the whole process. I wouldn't buy any other heater, unless one of these stops working.

Overall Score
3.8


(1809 Points)

9. Inkbird Heating Thermostat Aquarium Reptile Submersible Probe Sensor ITC306T Relay Digital Greenhous...

User Ratings: 80 1

Inkbird First Impressions

"Great concept."

I dont know, and havent tried just yet. The line is there due to regulations in certain countries. We would consider a replacement and then we would return the defective unit. I'm in the process of setting up for tanks. Beware, but we are hoping for a good outcome! I will be ordering more of these in the future. So far I like it setup was super easy.

  • Inkbird Heating Thermostat Aquarium Reptile Submersible Probe Sensor ITC306T Relay Digital Greenhouse Temperature Controller Dual Stage Timer Switch Only Heat Plug Outlet No Cooling
  • ONLY heating outlet aquarium sensor heater for aquarium, reptile.
  • It can be set to two different temperatures with its function of dual time cycle setting during 24 hours according to the day and night, which can more suitable for the needs of aquarium.
  • This plug and play product is designed with dual LCD display, and offers the optional display of Centigrade or Fahrenheit, which makes it more humanized temperature control.
  • The temperature can be controlled more accurately with its function of temperature calibration and temperature hysteresis.
  • ℃ / ℉ Display can be chosen. Temperature calibration; Over-temperature and sensor fault alarm. Dual display window, be able to display measured temperature and set temperature at the same time.
  • ITC-306T is a pre-wired heating output temperature controller with time function specifically for breeding and planting.
  • It can be set to two different temperatures with its function of dual time cycle setting during 24 hours according to the day and night, which can more suitable for the physiological needs of animals and plants.
  • It can be widely use in over-heat protection and automatic temperature control system of all sorts of electrical equipment for aquarium, pets breeding, hatching, fungus fermenting, and seed germination accelerating, etc.
  • Manufacture: Lerway Tech
  • Editor's Impressions Of The Inkbird
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Inkbird Final Thoughts

"Just perfect for my 1."

I'm in the process of setting up for tanks. This little heater is perfect; this is our third purchase of the same heater. This heater warmed it right up and now my Betta and guppies are more active. I like to keep it at 72 and from my thermometer it is reading at exactly 72. Product was received fast, works excellent! Those turned out to be a hit and miss. It would stick out of my 30 g wide tank if I were to put it vertical.

Overall Score
4.7


(195 Points)

10. hygger 200W Aquarium Heater with LED Display Controller Submersible Fish Tank Heater for 15-30 Gallo...

User Ratings: 73 9

hygger HG-925 First Impressions

"Works fine."

I went ahead and went with the the larger 300W for my 45 gallon. It comes with a hanging kit and can be secured on the edge of the tank. I got a hold of Amazon, who put me in touch with the seller. Very easy to install and the adjustable temperature gauge is pretty accurate. Two inches above that is a waterline for maximum. This is a great heater that is very easy to set up and program. The temperature difference was very minor.

  • hygger 200W Aquarium Heater with LED Display Controller Submersible Fish Tank Heater for 15-30 Gallon
  • This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when over-heats, resets when it cools down
  • Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to corrosion, and protect fish and other livestocks from punching and scalding
  • Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F
  • Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work
  • 200 watt aquarium heater, voltage 110-120 V, heater rod 6.3 inches long, suitable for tank capacity 15-30 gallon freshwater and saltwater aquariums
  • IP68 100% Waterproof, Fully Submersible
  • Dual Protection - Durable Quartz Tube, resistant to corrosion; Double sealed material and protective container for scald preventing and anti punching Accurate temperature control from 61°F to 90°F (16°C ~ 32°C)
  • Easy to read blue LED digital display shows water temperature
  • Manufacture: hygger
  • Editor's Impressions Of The hygger HG-925
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

hygger HG-925 Final Thoughts

"Overall happy."

At this time I highly recommend this product. I wouldn't buy any other heater, unless one of these stops working. The controller is easy to use, very accurate and reliable. Personally for me the housing doesn't bother me. So if you set it to 78 degrees, the heater will not kick on until it reads 76. --Temperature adjustment labeling is on top rather than on the rod. The heater is being used in a 40 gallon breeder.

Overall Score
4.3


(31 Points)

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