Editor's Choice - Our Favorite FTSTC Aquarium Heaters

1. 300w 150w 50w Submersible Aquarium Heater Auto Thermostat Heater with Suction,LED Small Mini Tempera...

User Ratings: 59 16

FTSTC First Impressions

"One word of caution."

The temperature gauge is fairly accurate in my 55 gallon tank. 210 gallon ones and one 90 gallon bow front tank. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. I had a thermometer on opposite side of tank and the heater was dead on true. This is a powerful heater that holds temperature very well. Keeps the water consistent and it's easy to adjust! I confirm it with my cooking digital probe thermometer.

  • 300w 150w 50w Submersible Aquarium Heater Auto Thermostat Heater with Suction,LED Small Mini Temperature Display Aquarium Fish Tank Heater for Fish Tank Water
  • UPGRADED MORE DURABLE VERSION: Provided the best warm area to your fish in the cold winter.Keeps improving best aquarium heater for your fish tank, after collecting so many comments from customers, we upgrade its function and life time, now it works more continuously and accurately.
  • MORE SAFETY & HIGH QUALITY: This upgraded aquarium heater now updated for more durable Quartz Glass, which is pretty shatter-proof and blast-proof and prevents electricity leakage. And the stronger protective container updated for Anti-melting anti punching double sealed material, it is scald-preventing for your pets and your safety.
  • FREE THERMOMETER: This fish tank heater come with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. It provide a constant warm environment for your pet fish to stay healthy, suitable both for fresh and salt water.
  • TEMPERATURE CONTROL: Aquarium heater works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature constantly and stably. Setting the temperature by the red knob on the top with range is 64°F - 94°F.High accuracy(±1°F)
  • APPLICABLE TANK SIZE: Our submersible aquarium heaters are perfect designed for different size tank, 50W for 5-10 gallon; 100W for 10-30 gallon; 300W for 30-85 gallon, please choose the suitable power for your tank. And we also recommend to position it near a strong water flow, the outlet of a power filter is ideal, so that the whole aquarium are in the same temperature.
  • Manufacture: FTSTC
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The FTSTC
  • Heat Quality [star rating='4.5']
  • Quality [star rating='4.5']
  • Value For Money [star rating='4.8']
  • Affordability [star rating='3.3']

FTSTC Final Thoughts

"I'll try once more."

The heater is easy; turn the dial to set temp and plug in. We wish the controls were available in Farenheit also to make things a little easier. I was worried about the quality but I am thoroughly impressed with this heater! I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. When i installed them, i let them sit in the tanks without power for 6-24 hours. This is a great heater that is very easy to set up and program. Would be great to be able to tune that to.

Overall Score
3.9

[star rating="3.9"]
(1234 Points)

2. Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon

User Ratings: 58 11

Aqueon 100101230 First Impressions

"FIVE STARS!"

You don't have to worry about wide temperature swings with this unit. I have a 10gallon tank that was at 72 degrees. It took about an hour to reach 80f, which is fairly quick. Awesome chiller, perfect for Hydroponics. All seem to vary between 1-2 degrees of each other which doesn't concern me much. The setting always stayed the same. When i installed them, i let them sit in the tanks without power for 6-24 hours.

  • Aqueon 100101230 Flat Submersible Heater, Black,7.5W, up to 3 gallon
  • Fully submersible
  • Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank
  • Quick and easy installation
  • Shatterproof construction
  • Can be used with glass or acrylic enclosures
  • Note: Do NOT operate or leave product plugged in when it is outside of water
  • Warms aquarium water up to 6°F above ambient room temperature
  • 7.5 Watt works best for 1 to 3 gallon fish tanks
  • Manufacture: Central Garden & Pet
  • Item Weight: 6.4 ounces
  • Product Dimensions: 0.5 x 2 x 5.63 inches
  • Editor's Impressions Of The Aqueon 100101230
  • Heat Quality [star rating='5']
  • Quality [star rating='3.8']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='3.5']

Aqueon 100101230 Final Thoughts

"5 degrees."

The temperature difference was very minor. I hope these suction cups work very well. I am very happy with this purchase. --The heater itself is a bit shorter if your tank is a short one. Seems to keep the temp n the tank fairly regular. It took me a few days slowly turning the dial up to finally get it where I wanted. We received the chiller promptly and put it into use.

Overall Score
4.1

[star rating="4.1"]
(819 Points)

3. ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warm...

User Ratings: 69 12

ZEETOON First Impressions

"Very quick shipping."

--The heater itself is a bit shorter if your tank is a short one. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. If the water runs low or air gets in the heater shuts off. But my guys don't read them and don't listen! I like the fact that it comes with a digital thermometer. Would be great to be able to tune that to. The red light means it's off, blue light means the temperature is constant.

  • ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip
  • 73ºF-82ºF Auto Thermostatic: ZEETOON Fish Tank Heater Betta Fish's Favorite Gifts, Suitable for all kinds of aquarium pets, Betta, tropical fish, goldfish, ornamental fish and turtles, can work in both brine and fresh water. Maintaining pleasant water temperatures in all seasons for your little fishes and turtles and will be no longer fear the winter! 1 Stick-on Thermometer Strip, Eliminate your worry of not confirming the heating temperature
  • Mini Sized More Fit: Specific perfect for mini aquarium under 5 gal/20L. Fully submersible compact betta fish heater for all shapes and materials fish tanks 1-2-3-4-5 gallon, whether it is glass or plastic, all can be used. ZEETOON Mini Heater provide a constant warm for your pet fish to stay healthy, suitable both for fresh and salt water. intelligent temperature regulate, very easy to use.
  • Automatic For Energy-saving: Adopted intelligent circuit board, with a precise sensing probe and thermostat heating system. Unlike other conventional heaters, need you to manually adjust the temperature. Our Smart Aquarium Heater just plug the power cable then it will work. It works will automatically turn on/off to achieve the setting temperature constantly and stably 73ºF-82ºF(25℃-28℃), Energy-saving life, you will be at your fingertips!
  • Smart For Your Safety : ZEETOON Mini Heater different from a manually adjusted heater. Our heater automatic temperature regulate on 73ºF-82ºF(25℃-28℃) , no need to set. Prevent electric shock and burns. Keep you and your family safe. Position it near a strong water flow for whole aquarium are in the same temperature. The outlet of filter is ideal. When there is a heater in the fish thak, do not put your hand in to the water
  • High Quality: Made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion & cracking, it is scald-preventing for your pets and safe operation for you, safer and more stable to use. We provide 1 year quality assurance for this product, we will provide replacement items for any product problems within 1 year after your purchase it.
  • Manufacture: ZEETOON
  • Editor's Impressions Of The ZEETOON
  • Heat Quality [star rating='3.4']
  • Quality [star rating='4']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='3.3']

ZEETOON Final Thoughts

"5 gallon tank."

The suction cups are large, high quality and seem to stick great. My fish likes to get close to it and he has never been hurt by it. I noticed my old hygger heater beginning to fail and my wife ordered this one. I have only had minor problems with the suction cups. Keeps the water consistent and it's easy to adjust! I love the heater otherwise, but I'm afraid some water has gotten inside the heater. Two inches above that is a waterline for maximum.

Overall Score
4.2

[star rating="4.2"]
(149 Points)

4. WiFi Enabled Aquarium Monitor and Controller. Text and Email Alerts for Fish Tank Temperature, Level...

LEVEL SENSE First Impressions

"So far so good!"

There is no protection from it banging on the glass tank. This has the best controller that I have found on the market. I wouldn't buy any other heater, unless one of these stops working. It's pretty noticeable, but I don't really care. The controller is easy to use, very accurate and reliable. My marina heater takes a few hours. I like the fact that it comes with a digital thermometer.

  • WiFi Enabled Aquarium Monitor and Controller. Text and Email Alerts for Fish Tank Temperature, Level Control & Leaks
  • Wi-Fi Enabled Leak Detection, Temperature and Level Alerts. Monitor aquarium from anywhere in the world!
  • Can directly control either the aquarium heater, aquarium lights, or Automatic Top Off (ATO) Pump
  • Provides Text and Email Alerts to Unlimited Recipients
  • Monitor aquarium temperature, water level, household temperature and humidity online.
  • Built in Auto Recharging Battery provides Tripped Breaker and Power Loss Detection
  • Approved for Fresh or Saltwater Use
  • Water Leak Detection
  • Power Failure Notifications
  • Manufacture: Sump Alarm Inc.
  • Batteries: 1 Lithium Polymer batteries required. (included)
  • Editor's Impressions Of The LEVEL SENSE
  • Heat Quality [star rating='4.1']
  • Quality [star rating='5']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='4']

LEVEL SENSE Final Thoughts

"My fish is very content."

Keeps the water consistent and it's easy to adjust! My fish likes to get close to it and he has never been hurt by it. My fish likes to get close to it and he has never been hurt by it. The heater protector was very heavy plastic and slim lined which is great. Bought it as a chiller for the k40 CO2 laser. My marina heater takes a few hours. I have had to turn the dial to about 78-79 for the tank to stay around 76 degrees.

Overall Score
5.0

[star rating="5"]
(2 Points)

5. Aquatop Quartz Glass Submersible Heaters (50W-300W)

User Ratings: 67 6

AquaTop GH-50W First Impressions

"Works as intended."

My fish likes to get close to it and he has never been hurt by it. You don't have to worry about wide temperature swings with this unit. I like to keep it at 72 and from my thermometer it is reading at exactly 72. This product came in the nick of time! I recieved this product without the instructions or the added thermometer. It's pretty noticeable, but I don't really care. --The heater itself is a bit shorter if your tank is a short one.

  • Aquatop Quartz Glass Submersible Heaters (50W-300W)
  • Tank capacity: up to 13-gallon
  • Voltage/freq: 110-120volt/60hertz
  • Power: 50-watt
  • Easy to use temperature setting
  • Fully submersible
  • Manufacture: Aquatop, Inc.
  • Product Dimensions: 9 x 1.5 x 1.5 inches; 10.41 Ounces
  • Editor's Impressions Of The AquaTop GH-50W
  • Heat Quality [star rating='4.3']
  • Quality [star rating='4.7']
  • Value For Money [star rating='3.4']
  • Affordability [star rating='4']

AquaTop GH-50W Final Thoughts

"Works great."

I'm in the process of setting up for tanks. Also were nice along the whole process. The line is there due to regulations in certain countries. I went ahead and went with the the larger 300W for my 45 gallon. Ick for instance detaches from fish at 86 degrees and dies at 89. This is a great heater that is very easy to set up and program. We would consider a replacement and then we would return the defective unit.

Overall Score
4.4

[star rating="4.4"]
(235 Points)

6. Fluval M Submersible Heater

User Ratings: 80 3

Fluval A782 First Impressions

"The seller was wonderful."

I think it works well to not stand out like other heaters. If the water runs low or air gets in the heater shuts off. I have only had minor problems with the suction cups. They promptly fixed the issue without any delays or drama. This has the best controller that I have found on the market. I will be ordering more of these in the future. This is a powerful heater that holds temperature very well.

  • Fluval M Submersible Heater
  • Aquarium heater that blends into the aquarium environment with built-in reflective technology that mirrors the surrounding colors
  • Computer-calibrated thermostat and easy-to-adjust temperature control dial
  • Shock resistant Borosilicate glass and high density ceramic heat sick
  • Easy to install with slim profile tube for easy placement
  • 100-watt heater suitable for freshwater and saltwater aquariums up to 30 gallons with a 3-year warranty
  • Quality heater made in Europe using superior components and construction
  • Sleek and compact
  • Ideal for 100 L (30 US gal) aquariums
  • Manufacture: Fluval
  • Product Dimensions: 1.8 x 4.8 x 14.8 inches; 8.82 Ounces
  • Editor's Impressions Of The Fluval A782
  • Heat Quality [star rating='5']
  • Quality [star rating='4.7']
  • Value For Money [star rating='5']
  • Affordability [star rating='3.7']

Fluval A782 Final Thoughts

"5 or even."

I will be ordering more of these in the future. I will definitely be buying another one for my other tanks at bigger one. It does blend well in some setups and may look bulky in others. We would consider a replacement and then we would return the defective unit. Thanks for the great customer service! Pressing and holding the button for 5 seconds changes it from F to C readouts. My marina heater takes a few hours.

Overall Score
4.7

[star rating="4.7"]
(1578 Points)

7. LUYS PTC Aquarium Heater (50W / 100W / 200W / 300W / 500W), with External Temperature Controller and...

User Ratings: 76 7

LUYS First Impressions

"Very pleased so far."

So when I first received it it didn't work and I was very disappointed. I was amazed how quickly I got to my temperature I need it 78 degrees. The suction cups are large, high quality and seem to stick great. I wouldn't buy any other heater, unless one of these stops working. It took about an hour to reach 80f, which is fairly quick. I got this heater for my 55 gallon aquarium. I have 3 of the Fluval heaters, in various sizes.

  • LUYS PTC Aquarium Heater (50W / 100W / 200W / 300W / 500W), with External Temperature Controller and LED Temperature Display for Fish Tank
  • 【Precise Temperature Control】LUYS aquarium heaters use unique temperature-control technology which can easily control the aquarium temperature to a preset temperature. The easy-to-read red LED temperature display shows the real-time water temperature on the large screen. When the fish tank heater starts to heat, the heating indicator lights turns red, and once it reaches the set temperature, it will turn blue. The temperature accuracy is +/-1 ° F.
  • 【Fast Heating Speed, 50%+ Energy Saving】The main material of the heating rod is PTC. Under the same conditions, the heating speed is 2-3 times that of the ordinary heating rod, and it can save 50% of electricity for you.At the same time, the heating rod has a temperature memory function, which automatically saves the set temperature after the power is turned off, and automatically heats to the set temperature after the mains power returns.
  • 【Safety Design Provides Double Protection for Your Aquarium】This heater has overheating protection function and it can be auto shut off when out of water. When overheating (more than 93 Fahrenheit), it will automatically shut down, and it will automatically reset when it cools to the starting temperature (usually two degrees lower than the set temperature). When the water level is lower than the water level probe, it will stop heating, automatically cut off the power, and display E1 fault.
  • 【Quartz Tube Protects Heating Materials from Corrosion and Electric Leakage】The aquarium heater is made of high-quality quartz explosion-proof glass and high thermal conductivity silicon carbide, and is double-sealed with a black protective cover to prevent explosion and corrosion, and protect fish and other livestock are protected from burns
  • 【External Temperature Controller, Make the Temperature Setting Easier】The external controller is easy to set the temperature without getting your hands wet. The temperature can be adjusted precisely from 68 to 93 ° F (20 ° C to 33 ° C), and the water temperature probe is located at the bottom to detect the temperature more accurately. Just press the setting button to your required temperature and the blue light flashes for 3 seconds to start working
  • Manufacture: LUYS
  • Product Dimensions: 4.72 x 3.94 x 2.36 inches; 11.43 Ounces
  • Editor's Impressions Of The LUYS
  • Heat Quality [star rating='3.6']
  • Quality [star rating='5']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='4.8']

LUYS Final Thoughts

"They contacted me."

This does a great job at regulating the temp in my 10 gallon. I like the fact that it comes with a digital thermometer. This heater works, but the dial it isn't very accurate. I wouldn't buy any other heater, unless one of these stops working. I have only had minor problems with the suction cups. I like how the heater is constructed. Beware, but we are hoping for a good outcome!

Overall Score
4.4

[star rating="4.4"]
(79 Points)

8. 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 [star rating='5']
  • Quality [star rating='4.4']
  • Value For Money [star rating='4.7']
  • Affordability [star rating='3.7']

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

[star rating="4.2"]
(2210 Points)

9. Eheim Thermocontrol e100 Heater

Eheim AEH3634090 First Impressions

"The seller was wonderful."

So when I first received it it didn't work and I was very disappointed. Was very impressed with the quality of this heater. The red light means it's off, blue light means the temperature is constant. Temperature is slightly off by running a little warmer. I have 3 of the Fluval heaters, in various sizes. I wouldn't buy any other heater, unless one of these stops working. For Discus you need warm and accurate heater and this seems to do the trick.

  • Eheim Thermocontrol e100 Heater
  • With the EHEIM thermocontrol-e heating element your fish get the right temperature even more precisely - in every aquarium. The EHEIM thermocontrol aquarium control heater is a further development of the legendary heating element and thermocontrol-e is the latest electronically controlled variant. The obvious ideas are often the best. This also applies to the aquarium heating element. It is simply hung in the water and heats it up. The principle is the same as it was decades ago. But in the meantime the EHEIM controller heater has become an ultra-modern thermal device. The temperature can be set precisely from 68°F to 89°F. It is measured even more precisely and kept more constant by the electronics with a control accuracy of 0. 5 °C. The heat is kept constant with an LED that indicates the heating function. The coating on the heater is made of special laboratory glass that increases the heating surface, serves as a heat shield and ensures even heat emission. There are no cracks and hairline cracks through which condensation water could pass. It is impact resistant. And even extreme temperature fluctuations, such as those that may occur during water changes, do not affect this glass. The heater is absolutely waterproof, can be fully immersed, has a dry run protection (Thermo Safety Control) and is suitable for fresh and marine water. Advantages of the EHEIM control heater thermocontrol-e Precise temperature adjustment from 68°F to 89°F (20 to 32°C) No readjustment necessary Control accuracy 0. 5 °C The heat is kept constant Control lamp indicates the heating function (red: heating up; green: temperature reached) Fully submersible (waterproof) With dry-running protection (Thermo Safety Control) Glass coating increases the heating surface and ensures optimum, even heat output Including double suction holder Many sizes for aquariums from 5 to 300 gallons Suitable for fresh and marine water Highest safety and reliability Made in Germany Specifications
  • Item Package Height: 3.0
  • Item Package Length: 25.0
  • Item Package Width: 3.0
  • Manufacture: Eheim
  • Editor's Impressions Of The Eheim AEH3634090
  • Heat Quality [star rating='4.8']
  • Quality [star rating='4.3']
  • Value For Money [star rating='4.2']
  • Affordability [star rating='4.4']

Eheim AEH3634090 Final Thoughts

"The FreeSea is amazing."

I confirm it with my cooking digital probe thermometer. Just be careful and keep an eye on your temp settings when you have kids over! It took me only two tries to get it to the correct temperature. This has been in my fish tank for a few months now and it's been absolutely perfect! Very easy to install and the adjustable temperature gauge is pretty accurate. I think it works well to not stand out like other heaters. I got a hold of Amazon, who put me in touch with the seller.

Overall Score
5.0

[star rating="5"]
(4 Points)

10. Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube

User Ratings: 61 12

Finnex HMA-500 First Impressions

"Yes, you read that right."

I was worried about the quality but I am thoroughly impressed with this heater! I will definitely be buying another one for my other tanks at bigger one. We received the chiller promptly and put it into use. I emailed the email it says to and told them. This heater warmed it right up and now my Betta and guppies are more active. I waited a little bit to write the review so it could be accurate. The temperature lights up so it's very easy to read.

  • Finnex Hang-On Electronic Controller Aquarium Heater, Titanium Tube
  • Titanium Tube
  • Sleek analog controller
  • HMA 500: 100-120 Gallons
  • Manufacture: JSK Merchandise Inc.
  • Product Dimensions: 14.48 x 1 x 1 inches; 14.4 Ounces
  • Editor's Impressions Of The Finnex HMA-500
  • Heat Quality [star rating='3.9']
  • Quality [star rating='4.7']
  • Value For Money [star rating='4.3']
  • Affordability [star rating='3.9']

Finnex HMA-500 Final Thoughts

"I would buy again."

This has the best controller that I have found on the market. 210 gallon ones and one 90 gallon bow front tank. The heater is easy; turn the dial to set temp and plug in. The heater is being used in a 40 gallon breeder. This heater works, but the dial it isn't very accurate. It's only been set up for a month we'll see how well it does in a few months. This product came in the nick of time!

Overall Score
4.1

[star rating="4.1"]
(287 Points)

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