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25 Best Fish Tank Heaters
for February 2021

Last Updated On

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1
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PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks
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PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip

Under 6 Gallon Fish Tanks

by PULACO
What We like

Quick and Easy Installation:Vertical or horizontal placement using, Aquarium heater automatic temperature control 78, no need to adjust temperature, easy to operate, fishes happy.

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Product Features

  • Note: Do not operate or leave product plugged in when it is outside of water, Children should be use this heater under adult's guidance.
  • Betta HeaterThis Fish Tank Heater should be 100% submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.
  • How it Works: Plug in, red light turns on, the heater will start working until water temperature up to 78F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78F. Accuracy3F

Betta heaterthis fish tank heater should be 100% submerged into water, ideal for small glass or acrylic desktop aquariums up 1 to 6 gallons, not suitable for less than 1 gallon tank. How it works: plug in, red light turns on, the heater will start working until water temperature up to 78f, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78f. accuracy3f Note: do not operate or leave product plugged in when it is outside of water, children should be use this heater under adult's guidance.

2
9.8
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Mylivell Aquarium Heater Submersible Auto Thermostat Heater,Fish Tank Water Heater and Adjustable Temperature with Suction Cup-50W
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Mylivell Aquarium Heater Submersible Auto Thermostat Heater

Fish Tank Water Heater and Adjustable Temperature with Suction Cup-50W

by Mylivell
What We like

Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.

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Product Features

  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20~34C(65 F - 93 F), and the display is easy to read.
  • High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.
  • Fully Submersible. Power: 50W. Suggested water volume: 20gal.

Convenient and safe: our aquarium heater thermostat has two suction cups for attachment to the fish tank. the polarized plug prevents electrical shock. High quality: aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation. Fully submersible. power: 50w. suggested water volume: 20gal. Adjustable temperature: the temperature of the fish tank heater can be adjusted automatically. temperature setting range: 20~34c(65 f - 93 f), and the display is easy to read.

3
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Aquarium Heater, Submersible Fish Tank Heater 500W with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 70-80 Gallon Tank
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SeaELF Aquarium Heater

Submersible Fish Tank Heater 500W with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 70-80 Gallon Tank

by SeaELF
What We like

🐠 Remote Controller & LCD Display 🐠: Update design with remote controller and LCD display , easy to setting and adjusting the aquarium heaters temperature by remote controller and easy know the tanks 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).

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Product Features

  • 🐠 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).
  • 🐠 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.
  • 🐠 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)

🐠 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. 🐠 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). 🐠 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)

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9.7
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HITOP 25W 50W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (25W)
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HITOP 25W 50W Adjustable Aquarium Heater

Submersible Fish Tank Heater Thermostat with Suction Cup (25W)

by Haisen
What We like

Quick and easy installation, submersible fish tank heater, vertical or horizontal placement using suction cups. Comes with 3 suction cups .

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Product Features

  • Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes.
  • Accurate Temperature Control: This fish tank heater will automatically keep the water at the set temperature within2F error. Comes with an additional stick-on thermometer to detect water temp at any time.
  • Adjustable and easy to use: this fish heater, adjustable temperature 68 ~ 93 F, will shut off automatically when the temperature is reached.
  • 25W aquarium heater, length 7.8-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 gallon.

adjustable and easy to use: this fish heater, adjustable temperature 68 ~ 93 f, will shut off automatically when the temperature is reached. 25w aquarium heater, length 7.8-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 gallon. accurate temperature control: this fish tank heater will automatically keep the water at the set temperature within2f error. comes with an additional stick-on thermometer to detect water temp at any time. thickened glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes.

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hygger 50W Mini Submersible Digital Display Aquarium Heater for Small Fish Tank, Compact and Fast Heating Thermostat, with External Controller and Built-in Thermometer, for Betta, Turtle
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hygger 50W Mini Submersible Digital Display Aquarium Heater for Small Fish Tank

Compact and Fast Heating Thermostat, with External Controller and Built-in Thermometer, for Betta, Turtle

by hygger
What We like

Compact Small Heater110-120V/60HZ oval shape design little aquarium heater, fast heating for small fish tank. 50W tank heater is for 1-6.5gallon, 100W tank heater is for 6.5-13 gallon. Heater Dimension: 2.7x1.4x 4.5 inch. The power cord is 5ft, long enough for use indoors. With 2 strong suction cups at the back side of the betta heater, it's easy to install it on to glass, acrylic or plastic tank

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Product Features

  • Digital Displaywith led display on the midle of the heater front side, when the fish tank heater is heating, there indicator light above the digit is on red, when it stop heating, the light is off. The heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time. The led will display the set temp digit only when you press the controller
  • Shut off When Out of Waterplease note that this a fully submersible aquarium heater for fresh water and saltwater tank, when the top part of the heater is out of water it will auto shut off and the led displaying E1, when fully in water again it will return to normal work again
  • Reliable Thermostatthis an automatic aquarium thermostat, after finishing the temp setting, you can be confidence on that it will maintain the tank water at the temp you set. The tank heater will stop heating when the water temp reaches to set temp, it will restart to heating when the water temp is 1 off the set temp. If the water temp is over 95, the heater will auto shut off and led displaying HH, it will work normally again when the water temp is lower than 95
  • External Controllereasy to set the temp on the controller, only show farenheit temp, you can set the temp range from 63 to 94, temp accuracy 1. Every time you set the temp, just press the button over and over until it reaches to your desired temp, then stop and wait the digit flashing for 3 times, then setting is done. Keep the controller away from water, it's not waterproof

External controllereasy to set the temp on the controller, only show farenheit temp, you can set the temp range from 63 to 94, temp accuracy 1. every time you set the temp, just press the button over and over until it reaches to your desired temp, then stop and wait the digit flashing for 3 times, then setting is done. keep the controller away from water, it's not waterproof Reliable thermostatthis an automatic aquarium thermostat, after finishing the temp setting, you can be confidence on that it will maintain the tank water at the temp you set. the tank heater will stop heating when the water temp reaches to set temp, it will restart to heating when the water temp is 1 off the set temp. if the water temp is over 95, the heater will auto shut off and led displaying hh, it will work normally again when the water temp is lower than 95 Shut off when out of waterplease note that this a fully submersible aquarium heater for fresh water and saltwater tank, when the top part of the heater is out of water it will auto shut off and the led displaying e1, when fully in water again it will return to normal work again Digital displaywith led display on the midle of the heater front side, when the fish tank heater is heating, there indicator light above the digit is on red, when it stop heating, the light is off. the heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time. the led will display the set temp digit only when you press the controller

6
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VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller
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VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller

by VIVOSUN
What We like

EASY TO SETUP: 300W submersible heater is suitable for 31.7 to 66 gallons aquariums; Vertical or horizontal installation and ensure the device is fully submerged underwater

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Product Features

  • WIDE COMPATIBILITY: The fish tank aquarium heater has CE, FCC and ROHS certification and the plug has a UL certification; Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems
  • EXTERNAL TEMPERATURE CONTROLLER: The touch-button controller adjusts the temperature without getting your hands wet. Its easy to control the temp from 68/20C to 94/34C; Check the size chart to find your desired fish tank heater
  • PRECISE TEMPERATURE CONTROL: An intelligent IC chip controls the heater temperature, making the temperature difference within 1/2F; Provide the best living environment for your aquatic creatures

Precise temperature control: an intelligent ic chip controls the heater temperature, making the temperature difference within 1/2f; provide the best living environment for your aquatic creatures Wide compatibility: the fish tank aquarium heater has ce, fcc and rohs certification and the plug has a ul certification; applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems External temperature controller: the touch-button controller adjusts the temperature without getting your hands wet. its easy to control the temp from 68/20c to 94/34c; check the size chart to find your desired fish tank heater

7
9.5
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auomii Mini Submersible Aquarium Heater, 50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Intelligent Frequency Conversion(50W)
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auomii Mini Submersible Aquarium Heater

50W/100W Small Fish Tank Heater, Built-in Thermometer, 2 LED Temperature Display, External Temperature Controller, Intelligent Frequency Conversion(50W)

by auomii
What We like

Safety and Reliable3 pin plug with ground wire, connect the water to ground directly, no risk of electric shock. 4 protections: Leakage protection / Over heating protection / Dry running protection / Out of water protection. Sturdy engineering plastic shield, scalding resistant and explosion resistant. Using touch control button, easy to set and read the temperature. 3 Strong suction cups, easy to install

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Product Features

  • Small Size Heater AUOMII 50W small size aquarium heater is suitable for 1~10 gallon mini fish tanks, and easy to hide in the tank. Temperature can be accurately adjusted from 64~93F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V. Easy to set temperature, Easy to read temperature, Easy to install
  • 30days refund 12 months replacementYour purchase today is completely RISK-FREE. If you are not completely satisfied for our device, let us know for a full refund. Why wait? Get it today
  • Intelligent Frequency Conversion TechnologyTemperature accuracy is up to 1 as advanced Intelligent Frequency Conversion Technology. If the temperature is lower than the target value of 0.2F, the heater works at a variable frequency to keep the temperature constant. The working frequency will be changed according to temperature variation. If the water temperature is lower than the target temperature of 1F , the heater will work at full power. The temperature curve is almost a line

Intelligent frequency conversion technologytemperature accuracy is up to 1 as advanced intelligent frequency conversion technology. if the temperature is lower than the target value of 0.2f, the heater works at a variable frequency to keep the temperature constant. the working frequency will be changed according to temperature variation. if the water temperature is lower than the target temperature of 1f , the heater will work at full power. the temperature curve is almost a line 30days refund 12 months replacementyour purchase today is completely risk-free. if you are not completely satisfied for our device, let us know for a full refund. why wait? get it today Small size heater auomii 50w small size aquarium heater is suitable for 1~10 gallon mini fish tanks, and easy to hide in the tank. temperature can be accurately adjusted from 64~93f. this heater suitable for both saltwater and freshwater. the rated voltage is 100-130v. easy to set temperature, easy to read temperature, easy to install

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hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon
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hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller

Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon

by hygger
What We like

For Fish Tank 5-15 gallon50W 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

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Product Features

  • With Built-in Thermometeryou 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
  • Fully Submersiblethis 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
  • Automatic Stop & RestartEffectively 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
  • Durable Quartz Glassthis 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

Automatic stop & restarteffectively 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 thermometeryou 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 glassthis 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 submersiblethis 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

9
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Mylivell Aquarium Heater 100 W Submersible Fish Tank Water Heater Thermostat
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Mylivell Aquarium Heater 100 W Submersible Fish Tank Water Heater Thermostat

by Mylivell
What We like

Both suiting for fresh or saltwater aquariums, provide a constant warm environment for your tropical fish to stay healthy.

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Product Features

  • High Quality: Aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation.
  • Fully Submersible. Power: 100W. Suggested water volume: 20 gal.
  • Convenient and Safe: Our aquarium heater thermostat has two suction cups for attachment to the fish tank. The polarized plug prevents electrical shock.
  • Adjustable Temperature: The temperature of the fish tank heater can be adjusted automatically. Temperature setting range: 20~34C(65 F - 93 F), and the display is easy to read.

High quality: aquarium heater made of high quality quartz glass, double seal material , advanced design, ensures safe operation. Adjustable temperature: the temperature of the fish tank heater can be adjusted automatically. temperature setting range: 20~34c(65 f - 93 f), and the display is easy to read. Fully submersible. power: 100w. suggested water volume: 20 gal. Convenient and safe: our aquarium heater thermostat has two suction cups for attachment to the fish tank. the polarized plug prevents electrical shock.

10
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LUYS Aquarium Heater, Upgraded 300W/500W Fish Tank Heater with Intelligent Leaving Water Automatically Stop Heating and Over Temperature Protection System, Suitable for Marine Saltwater and Freshwater
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LUYS Aquarium Heater

Upgraded 300W/500W Fish Tank Heater with Intelligent Leaving Water Automatically Stop Heating and Over Temperature Protection System, Suitable for Marine Saltwater and Freshwater

by LUYS
What We like

Wide Range of UseThis aquarium heater is suitable for many occasions. The fish market is a common place for us. It can maintain the freshness of fish. They are also suitable for places where aquatic life such as fish tanks, aquariums, and small fish ponds are kept. There are strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged.

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Product Features

  • Digital LED Display Controllerthe external IC temp controller of the fish tank heater can show the water temp with 2 red LED digits. The temperature in Fahrenheit and Celsius is displayed, which can be switched by pressing and holding the button for a few seconds. To set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.
  • Explosion-proof Quartz MaterialThe aquarium heater is made of high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, which is pretty shatter-proof and blast-proof and prevents electricity leakage. And the stronger black protective container is scald-preventing for your aquatic organisms and your safety.
  • Intelligent Water Sensor and Over Temperature ProtectionThis aquarium heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety.

Intelligent water sensor and over temperature protectionthis aquarium heater has a unique intelligent temperature and water sensor system, the heater will automatically stop heating when the heater is completely out of water or it rapidly heats beyond the set temperature, the indicator light will turn green in both cases to ensure the maximum safety of you and your aquatic organisms just like protecting our own safety. Explosion-proof quartz materialthe aquarium heater is made of high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, which is pretty shatter-proof and blast-proof and prevents electricity leakage. and the stronger black protective container is scald-preventing for your aquatic organisms and your safety. Digital led display controllerthe external ic temp controller of the fish tank heater can show the water temp with 2 red led digits. the temperature in fahrenheit and celsius is displayed, which can be switched by pressing and holding the button for a few seconds. to set the temp, just press the button over and over until the screen displaying the temp you desired, the setting is done and the led shows the current water temp again.

11
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MQ Submersible Aquarium Heater Auto Thermostat, 200W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof for Fresh or Salt Water
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MQ Submersible Aquarium Heater Auto Thermostat

200W Fish Tank Heater with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof for Fresh or Salt Water

by MQ
What We like

For Fish Tank 15-40 gallon200W aquarium heater, voltage AC 110-120V, power cord is 5.0ft, please choose the right wattage aquarium heater according to our size chart. Comes with detachable shield and 2 suction cups. It's easy to hide it in the tank (acrylic or glass).

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Product Features

  • BLAST-PROOF: Made of shock resistant quartz glass, covered with double sealed case, explosion-proof and no electricity leakage, preventing your pets being scalding. Can be used in fresh water and salt water aquariums.
  • TEMP ADJUSTABLE: Temperature can be adjusted between 68-94. You can set the temp to one of these values on the dial: 68, 71, 75, 78, 82, 86, 90, 94 by rotating the pointer, which allows for complete control of aquatic climate within a 2-degree difference.
  • SAFETY PROTECTION: Effectively maintain the tank water in the constant temp you set, stop heating when the water temp is 1.5-2 above the set temp and restart heating when the water temp is 1.5-2 below the set temp.
  • BUY ONE GET ONE IN FREE: 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.

Safety protection: effectively maintain the tank water in the constant temp you set, stop heating when the water temp is 1.5-2 above the set temp and restart heating when the water temp is 1.5-2 below the set temp. Buy one get one in free: 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. Blast-proof: made of shock resistant quartz glass, covered with double sealed case, explosion-proof and no electricity leakage, preventing your pets being scalding. can be used in fresh water and salt water aquariums. Temp adjustable: temperature can be adjusted between 68-94. you can set the temp to one of these values on the dial: 68, 71, 75, 78, 82, 86, 90, 94 by rotating the pointer, which allows for complete control of aquatic climate within a 2-degree difference.

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9
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U-picks Submersible Aquarium Heater 100W/300W/500W Fish Tank Heater with Dual Intelligent External LED Digital Temperature Displays and Controller for Turtle Betta Fish Tank 5-25 Gallon (100W)
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U-picks Submersible Aquarium Heater 100W/300W/500W Fish Tank Heater with Dual Intelligent External LED Digital Temperature Displays and Controller for Turtle Betta Fish Tank 5-25 Gallon (100W)

by U-picks
What We like

Tank Size: This 100W aquarium heater is suitable for 5-25 gallon fish tank both freshwater and saltwater. With our this fish tank heater, you can create a comfortable and safe environment for your fish.

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Product Features

  • Dual Temp Displays: With dual accurate LED digital temp displays, you can read & set the water temp at the same time. It is very easy and convenient for you to recognize and observe the temp change in real time even in the night!
  • Smart Heating: With the built-in temperature sensor and constant temperature heating system, this fish heater will start to work when the water temp is lower than set temp(red indicator), and stop work until the water temp reaches set temp(blue indicator). It can always provide adequate and steady water temperature for your beloved fish.
  • External Controller: Our fish tank heater is adjusted by an external controller, which you can mount on the outside edge of the tank. Its convenient and safe to adjust temperature, no need to take the heater out from water and risk burning yourself.
  • High Quality: Our fish tank heater is made of thicker quartz, which is shatter-proof and blast-proof.The heater cover is compact designed, which is heat resistantthat will protect you little fish from scalding.

Smart heating: with the built-in temperature sensor and constant temperature heating system, this fish heater will start to work when the water temp is lower than set temp(red indicator), and stop work until the water temp reaches set temp(blue indicator). it can always provide adequate and steady water temperature for your beloved fish. High quality: our fish tank heater is made of thicker quartz, which is shatter-proof and blast-proof.the heater cover is compact designed, which is heat resistantthat will protect you little fish from scalding. Dual temp displays: with dual accurate led digital temp displays, you can read & set the water temp at the same time. it is very easy and convenient for you to recognize and observe the temp change in real time even in the night! External controller: our fish tank heater is adjusted by an external controller, which you can mount on the outside edge of the tank. its convenient and safe to adjust temperature, no need to take the heater out from water and risk burning yourself.

13
8.9
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HITOP 50W 100W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (300W)
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HITOP 50W 100W 300W Adjustable Aquarium Heater

Submersible Fish Tank Heater Thermostat with Suction Cup (300W)

by Haisen
What We like

[Dimension]: 300W adopt 10-slot multi-branched heating wire ceramic frame, better heat dissipation, Suitable for 30-60 gallant fish tank 11 x 1 x 1 inch, saving more space for your fish.

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Product Features

  • [Over-Heat Protection]: After set the temp you want, automatic switch device and temperature detection system, water heater will turn off automatically when its temp reaches your pre-set, also will turn on when lower than your set, relieved and simple operation.
  • [Accurate Temperature Control]: Adjustable heater from 61F to 90F (16C - 32C). A good temperature range for most fishes is 76F to 80F (25- 27C). An additional stick-on thermometer as a bonus to detect water temp at any time.
  • [Thickened glass]: 2mm thickened quartz glass, 33% thicker than normal aquarium heaters, much safer for both human and animals.

[thickened glass]: 2mm thickened quartz glass, 33% thicker than normal aquarium heaters, much safer for both human and animals. [over-heat protection]: after set the temp you want, automatic switch device and temperature detection system, water heater will turn off automatically when its temp reaches your pre-set, also will turn on when lower than your set, relieved and simple operation. [accurate temperature control]: adjustable heater from 61f to 90f (16c - 32c). a good temperature range for most fishes is 76f to 80f (25- 27c). an additional stick-on thermometer as a bonus to detect water temp at any time.

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8.9
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AQQA Mini Submersible Aquarium Heater 15W,79℉(26℃) Constant Temperature Intelligent Automatic Heating,Small Fish Tank Heater with LED Light,for Freshwater and Saltwater (15W)
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AQQA Mini Submersible Aquarium Heater 15W

79℉(26℃) Constant Temperature Intelligent Automatic Heating, Small Fish Tank Heater with LED Light, for Freshwater and Saltwater (15W)

by AQQA
What We like

Mini size,perfect for small fish tanks3.3 x 2.2 x 0.8 inch Super small,but powerful.All the heating tubes are in the insulating material.Prevent the heater from being too hot and the fish from being scalded.The heating tube is not exposed and explosion-proof carbon heater,it is very safe that no small fish can touch the heating tube.

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Product Features

  • Intelligent automatic heatingconstant temperature 79(26)Keep the water temperature at 79(26),the most comfortable temperature for the fish.When the water is lower than 77 (25) the heater turn on and heat the water,If the water is higher than 79(26) the heating will shut off.
  • Different lights have different meaningsThe red lights represent heater is on heating,red LED light flashes rapidly represent the heater is exposed to air, the green light represent the temperature of the water is higher than 79( 26) heating will stop.the green LED light flashes quickly represent temperature passes 97(36).
  • Dry burning-resistant protection and over temperature protectionWhen temperature passes 97(36),the heater will shut off automatically.When the heater is exposed to air, the heater shuts off automatically.heater heating 30 minutes, the heater stops for 3 minutes; the red led light flashes twice every 9 seconds.

Dry burning-resistant protection and over temperature protectionwhen temperature passes 97(36),the heater will shut off automatically.when the heater is exposed to air, the heater shuts off automatically.heater heating 30 minutes, the heater stops for 3 minutes; the red led light flashes twice every 9 seconds. Different lights have different meaningsthe red lights represent heater is on heating,red led light flashes rapidly represent the heater is exposed to air, the green light represent the temperature of the water is higher than 79( 26) heating will stop.the green led light flashes quickly represent temperature passes 97(36). Intelligent automatic heatingconstant temperature 79(26)keep the water temperature at 79(26),the most comfortable temperature for the fish.when the water is lower than 77 (25) the heater turn on and heat the water,if the water is higher than 79(26) the heating will shut off.

15
8.8
SCORE
SALUTE Aquarium Heater Submersible Auto Thermostat Heater, (50W/100W/200W/300W) Fish Tank Heater and Adjustable Temperature with 2 Suction Cups Suitable for 10-115 Gallon Fish Tank
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SALUTE Aquarium Heater Submersible Auto Thermostat Heater

(50W/100W/200W/300W) Fish Tank Heater and Adjustable Temperature with 2 Suction Cups Suitable for 10-115 Gallon Fish Tank

by SALUTE
What We like

Safe to Use: Double waterproof protection, complete underwater design can accurately maintain the temperature. Aquarium heater with two individual suction units available for safety. Polarity prevention and the power conversion is safe and reliable. Easy operation and high temperature resistance, explosion-proof quartz glass tube, high safety!

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Product Features

  • Accurate Temperature Control: Power: 300W. Suggested water volume: 75-115gal. The aquarium heater temperature can be adjusted automatically. It is very easy to adjust the temperature you need, Adjustable heater from 68F to 93F (20C - 34C). A good temperature range for most fishes is 76F to 80F (25- 27C).
  • High Quality: Excellent heat resistance, good thermostat Heater insulation, high heat transfer efficiency, strong support hooks and suction cups, the product is more stable and reliable.
  • Suction Cup Fixing: Fish tank heater also equipped with 2 suction cups . The aquarium heater can be fixed at any position on the cylinder wall. The product's suction cups use thicker, non-aging materials, which greatly extend the life.

Accurate temperature control: power: 300w. suggested water volume: 75-115gal. the aquarium heater temperature can be adjusted automatically. it is very easy to adjust the temperature you need, adjustable heater from 68f to 93f (20c - 34c). a good temperature range for most fishes is 76f to 80f (25- 27c). Suction cup fixing: fish tank heater also equipped with 2 suction cups . the aquarium heater can be fixed at any position on the cylinder wall. the product's suction cups use thicker, non-aging materials, which greatly extend the life. High quality: excellent heat resistance, good thermostat heater insulation, high heat transfer efficiency, strong support hooks and suction cups, the product is more stable and reliable.

16
8.8
SCORE
Soyon Aquarium Heater 500W, Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon Submersible Water Heater (500W with Extra Thermometer)
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Soyon Aquarium Heater 500W

Fish Tank Heater with Adjustable Temperature 80 Gallon-100 Gallon Submersible Water Heater (500W with Extra Thermometer)

by Soyon
What We like

ACCURATELY TEMPERATURE CONTROL: It works in intermittent operation mode and will automatically power on/off to achieve the setting temperature constantly and stably, provide a constant warm environment for your tropical fishes to stay healthy.

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Product Features

  • SPECIFICATION: 500W, 110-120V, 17.7 inch long, suitable for large fish tank up to 100 Gallons water.
  • WIDELY TEMPERATURE RANGE ADJUSTMENT: Adjust and maintains at temperature range from 68F to 94F. The recommended temperature range for most fishes is 76 to 80F, the LCD Digital Aquarium Thermometer helps to measure the water temperature, ensure the heater work more steadily.
  • HIGH SAFETY: More than 2mm Thick Quartz Glass providing explosion-proof, shatterproof, IP68 waterproof, and scald-preventing with plastic cover to your fishes or other aquatic pets.

Specification: 500w, 110-120v, 17.7 inch long, suitable for large fish tank up to 100 gallons water. Widely temperature range adjustment: adjust and maintains at temperature range from 68f to 94f. the recommended temperature range for most fishes is 76 to 80f, the lcd digital aquarium thermometer helps to measure the water temperature, ensure the heater work more steadily. High safety: more than 2mm thick quartz glass providing explosion-proof, shatterproof, ip68 waterproof, and scald-preventing with plastic cover to your fishes or other aquatic pets.

17
8.8
SCORE
hygger Mini Betta Fish Heater for Small Fish Bowl 25W Aquarium Heater with LED Digital Display 2-4 Gallon Tank 68°F to 94°F
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hygger Mini Betta Fish Heater for Small Fish Bowl 25W Aquarium Heater with LED Digital Display 2-4 Gallon Tank 68°F to 94°F

by hygger
What We like

Build-in thermostat on the cord, this small fish heater can be easily adjusted temperature without getting your hands wet. The precision temperature control allows you to set the temperature between 68 and 94 degrees F in 2-degree increments

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Product Features

  • Fully-submersible heater by Hygger is easy to install with included suction cups and slim profile, super tiny size just measures 3.5 in x 2 in x 0.8 in, can easily be wedged in a corner, great for small or partially filled tank
  • Betta Heater auto shut off when over-heats temperature over 97 degree Fahrenheit and flashing error code "E2". The nylon integrated fish guard prevents fish from scald and punching. Carbon heating element is more stable and safer than tranditional coil material
  • 25 watt aquarium heater is ideal for 2-4 gallon fish bowls, small freshwater and saltwater aquariums, betta tank, snail tank and turtle tank
  • Bright, clear LCD display that shows real-time water temperature over guesswork is a big bonous, display in either Celsius or Fahrenheit, depending on your choice. Red indicator light indicates the heater is working and turns into blue once it reach to desired temperature

Betta heater auto shut off when over-heats temperature over 97 degree fahrenheit and flashing error code "e2". the nylon integrated fish guard prevents fish from scald and punching. carbon heating element is more stable and safer than tranditional coil material 25 watt aquarium heater is ideal for 2-4 gallon fish bowls, small freshwater and saltwater aquariums, betta tank, snail tank and turtle tank Bright, clear lcd display that shows real-time water temperature over guesswork is a big bonous, display in either celsius or fahrenheit, depending on your choice. red indicator light indicates the heater is working and turns into blue once it reach to desired temperature Fully-submersible heater by hygger is easy to install with included suction cups and slim profile, super tiny size just measures 3.5 in x 2 in x 0.8 in, can easily be wedged in a corner, great for small or partially filled tank

18
8.7
SCORE
Uniclife Aquarium Heater Submersible with Thermometer, 300 Watt for 80 Gallon Fish Tank
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Uniclife Aquarium Heater Submersible with Thermometer

300 Watt for 80 Gallon Fish Tank

by Uniclife
What We like

Red rotatable knob on top for adjusting the temperatures between ranges of 68F-93F. Visible temperature displayed allows accurate temperature maintain.

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Product Features

  • Please notice the red indicator light is on while working, will automatically turn off when temperature reached. Carefully check external condition before use. Recommend testing before introduce to fish.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 11.2" x 1" (L x D)
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(The color of number will change to blue to indicate the temperature).
  • Ideal for 50-80 gallons fish tanks, can be installed in both fresh and saltwater.

Come with Uniclife aquarium heater x 1; suction cups x 3; stick-on thermometer x 1(the color of number will change to blue to indicate the temperature). Water-tight with ip68 sealing workmanship. fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. measures 11.2" x 1" (l x d) Please notice the red indicator light is on while working, will automatically turn off when temperature reached. carefully check external condition before use. recommend testing before introduce to fish. Ideal for 50-80 gallons fish tanks, can be installed in both fresh and saltwater.

19
8.5
SCORE
SZELAM Submersible Aquarium Heater,100W Fish Tank Heater,Intelligent Temp Probe with External Temperature Controller and Dual Temperature Display,Suitable for Marine Saltwater and Freshwater
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SZELAM Submersible Aquarium Heater

100W Fish Tank Heater, Intelligent Temp Probe with External Temperature Controller and Dual Temperature Display, Suitable for Marine Saltwater and Freshwater

by AquariumPets
What We like

Built with Overheat and Water Shortage Protection. This submersible aquarium heater is more sensitive and intelligent to resist overheat and water shortage than traditional glass heaters and it is automatically power off when taken out from water.

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Product Features

  • Precise Temperature Control with Temp Probe. Our aquarium heater has sensitive temp probe, which is more precise to control the heater temp, making the temp difference within 1 and providing the suitable living environment for your aquatic creatures.
  • External Temperature Controller with Dual Temp Displays. With dual LED digital displays, you can observe water temp and set temp of fresh or marine water at the same time. The external temp controller brings you more convenient and safe to adjust the set temp externally.

External temperature controller with dual temp displays. with dual led digital displays, you can observe water temp and set temp of fresh or marine water at the same time. the external temp controller brings you more convenient and safe to adjust the set temp externally. Precise temperature control with temp probe. our aquarium heater has sensitive temp probe, which is more precise to control the heater temp, making the temp difference within 1 and providing the suitable living environment for your aquatic creatures.

20
8.3
SCORE
DaToo 500W Aquarium Heater PTC Fast Heating Fish Tank Heater 500 Watt Submersible with LED Digital Temperature Controller for 60 to 120 Gallon, 1 Yr Warranty
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DaToo 500W Aquarium Heater PTC Fast Heating Fish Tank Heater 500 Watt Submersible with LED Digital Temperature Controller for 60 to 120 Gallon

1 Yr Warranty

by DaToo
What We like

Professional Double Safety Protection: For fish breeder, how to protect the safety of pet fish is a very important issue. DaToo 500W PTC Aquarium Heater can provide professional safety protection for your beloved fish. Over-temperature protection, can effectively prevent the water temperature is too high. Anti-dry protection, can completely avoid dry burning caused by low water level. Let your cute fish live in a safe and warm environment forever!

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Product Features

  • Leading Frequency Conversion Energy Saving Technology: Usually high-power heaters consume a lot of electricity, but DaToo not. DaToo 500W Aquarium Heater adopts leading frequency conversion heating technology. When the water temperature is close to the set temperature, the power will be automatically decrease, and then use the thermal inertia to reach the set temperature. This greatly reduces power consumption, making DaToo save 20% electricity than other 500W heaters. Save electricity bills!
  • DaToo 500W PTC Aquarium Heater: As we all know, it is not easy to keep large aquariums at a comfortable temperature at all times. So it's very important for aquarium hobbyists with 55 to 125 gallon large tanks to choose a perfect heater. DaToo 500W PTC aquarium heater, high-precision temperature sensing, 3 seconds fast heating, frequency conversion energy saving, sturdy and durable, double safety protection, let your beloved fish always enjoy the happiness brought by the warm water temperature!
  • High Precision And Fast Heating System: There are two temperature probes on the top of the DaToo heater, which ensures that the DaToo has a more powerful temperature sensing capability and can easily maintain the temperature accuracy at 0.5F. 3 Seconds Fast Heating, DaToo uses PTC semiconductor ceramics as heating elements, which makes DaToo have very low energy loss and can convert 90%~95% of electrical energy into thermal energy, and the water temperature can start to rise within 3 seconds.
  • Sturdy And Durable: PTC semiconductor ceramic heating element, stronger and safer than traditional glass heater, no explosion, no breakage, will never leak electricity. High-strength ABS shell, not afraid of any external force damage. And high temperature resistance, can withstand the heat emitted by the high-wattage fish tank heater, will not melt or deform, which makes the DaToo 500W PTC aquarium heater more durable and has a longer service life.

DaToo 500w ptc aquarium heater: as we all know, it is not easy to keep large aquariums at a comfortable temperature at all times. so it's very important for aquarium hobbyists with 55 to 125 gallon large tanks to choose a perfect heater. DaToo 500w ptc aquarium heater, high-precision temperature sensing, 3 seconds fast heating, frequency conversion energy saving, sturdy and durable, double safety protection, let your beloved fish always enjoy the happiness brought by the warm water temperature! Sturdy and durable: ptc semiconductor ceramic heating element, stronger and safer than traditional glass heater, no explosion, no breakage, will never leak electricity. high-strength abs shell, not afraid of any external force damage. and high temperature resistance, can withstand the heat emitted by the high-wattage fish tank heater, will not melt or deform, which makes the DaToo 500w ptc aquarium heater more durable and has a longer service life. High precision and fast heating system: there are two temperature probes on the top of the DaToo heater, which ensures that the DaToo has a more powerful temperature sensing capability and can easily maintain the temperature accuracy at 0.5f. 3 seconds fast heating, DaToo uses ptc semiconductor ceramics as heating elements, which makes DaToo have very low energy loss and can convert 90%~95% of electrical energy into thermal energy, and the water temperature can start to rise within 3 seconds. Leading frequency conversion energy saving technology: usually high-power heaters consume a lot of electricity, but DaToo not. DaToo 500w aquarium heater adopts leading frequency conversion heating technology. when the water temperature is close to the set temperature, the power will be automatically decrease, and then use the thermal inertia to reach the set temperature. this greatly reduces power consumption, making DaToo save 20% electricity than other 500w heaters. save electricity bills!

21
7.8
SCORE
LANZZ Aquarium Heater, 300W 500W Submersible Fish Tank Heater with Thermometer Strip Adjust Knob Thermostat, Suitable for 50to 90 Gallons
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LANZZ Aquarium Heater

300W 500W Submersible Fish Tank Heater with Thermometer Strip Adjust Knob Thermostat, Suitable for 50to 90 Gallons

by LANZZ
What We like

Provides Accurate Thermal Control Set and adjust the desired temperature with the use of the Temperature Controller on the top. This allows accurate thermal control via the easy set thermostat for precise

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Product Features

  • How To UseImmerse the aquarium heater completely into the aquarium or tank, wait for 10-15 minutes to let the internal temperature adapt to the actual water temperature in the tank. Then twist the thermostat knob, adjust the temperature to 68-94F and then connect to the power supply
  • ApplicationGreat for both Fresh Water and Marine Water aquariums, aquaculture, terrariums & hydroponic systems. Suitable for fish, turtle, and plants.
  • Easy To InstallCan be installed vertically or horizontally, but the aquarium heater must be completely submerged in water. We also recommend placing it near a strong water flow, where the outlet of the mains filter is ideal, so that the temperature of the entire aquarium is the same
  • Wide Range Of Temperature AdjustmentBimetallic material, precise temperature control. Adjustable temperature ranges from 68F to 94F(20C - 34C), and you can choose the coziest temperature for your fish. (The suitable temperature range for most tropical fish is 76F to 80F/24C -27C )

Applicationgreat for both fresh water and marine water aquariums, aquaculture, terrariums & hydroponic systems. suitable for fish, turtle, and plants. Wide range of temperature adjustmentbimetallic material, precise temperature control. adjustable temperature ranges from 68f to 94f(20c - 34c), and you can choose the coziest temperature for your fish. (the suitable temperature range for most tropical fish is 76f to 80f/24c -27c ) Easy to installcan be installed vertically or horizontally, but the aquarium heater must be completely submerged in water. we also recommend placing it near a strong water flow, where the outlet of the mains filter is ideal, so that the temperature of the entire aquarium is the same How to useimmerse the aquarium heater completely into the aquarium or tank, wait for 10-15 minutes to let the internal temperature adapt to the actual water temperature in the tank. then twist the thermostat knob, adjust the temperature to 68-94f and then connect to the power supply

22
7.7
SCORE
POPETPOP [Upgraded 400W Aquarium Heater - Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display
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POPETPOP [Upgraded 400W Aquarium Heater

Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display

by POPETPOP
What We like

[UPGRADED] MORE PRECISE TEMPERATURE - Upgraded sensing probes on the top of heater provides more precise induction that reduces temperature error which allows you check the temperature of the aquarium more easily to prevent the difference temperature in water from making the fish sick.

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Product Features

  • EASY TO ADJUST TEMPERATURE - LED digital display temperature that is easy to observe the temperature set by the heater. Using intelligent IC chip for more precise temperature control with less error (1C/2). The touch button ensures that the hand is not wet when adjusting the temperature.
  • [UPGRADED] DURABLE HEATING WIRE - The aquarium heater was changed from the original iron-chromium wire to the nickel-chromium wire to ensure the heater has longer life and precisely control heater temperature. It is extremely durable and stable, and faster heating than normal glass heaters.
  • SAFETY PROTECTION - The fish tank aquarium heater has CE, FCC and ROHS certification. When sensing probe is exposed in the air or detected the water is overheating, the heater will stop heating. Giving your aquarium fish, amphibians, turtles safety protection.
  • SIMPLE OPERATION - The 400w fish tank heater can be used in 70-80gal gallon fresh water and salt water aquariums. Easy to set temp from 20C ~ 34C(68~ 94). Note: Don't expose the heater out of water surface as this may cause damage to the heater.

easy to adjust temperature - led digital display temperature that is easy to observe the temperature set by the heater. using intelligent ic chip for more precise temperature control with less error (1c/2). the touch button ensures that the hand is not wet when adjusting the temperature. safety protection - the fish tank aquarium heater has ce, fcc and rohs certification. when sensing probe is exposed in the air or detected the water is overheating, the heater will stop heating. giving your aquarium fish, amphibians, turtles safety protection. [upgraded] durable heating wire - the aquarium heater was changed from the original iron-chromium wire to the nickel-chromium wire to ensure the heater has longer life and precisely control heater temperature. it is extremely durable and stable, and faster heating than normal glass heaters. simple operation - the 400w fish tank heater can be used in 70-80gal gallon fresh water and salt water aquariums. easy to set temp from 20c ~ 34c(68~ 94). note: don't expose the heater out of water surface as this may cause damage to the heater.

23
7.5
SCORE
Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump
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Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump

by Nova pet supplies co.LTD
What We like

Precise temperature dial from 68 to 89F allows for complete control of aquatic climate within a 1-degree difference.

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Product Features

  • 300W aquarium heater is suitable for 50 to 80 gallons aquariums,Length - 11 inch,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
  • Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached
  • It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals.
  • Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.

300w aquarium heater is suitable for 50 to 80 gallons aquariums,length - 11 inch,voltage 110-120v, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart. Adjustable aquarium fish tank water heater sensitive and reliable thermostat maintains uniform temperature. automatic shut off when the temperature is reached Explosion proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. It shows an area to adjust the temperature. it's not exactly accurate but it turns easy and can be adjusted at small intervals.

24
7.5
SCORE
Hitop 50W 100W 300W Submersible Adjustable Aquarium Heater, for 5 – 50 Gallon Fish Tank (100W for 10~30 Gallon)
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HITOP-Fish Hitop 50W 100W 300W Submersible Adjustable Aquarium Heater

for 5 – 50 Gallon Fish Tank (100W for 10~30 Gallon)

by IBAY
What We like

Long Service Life: Adopt 8-slot multi-branched heating wire ceramic frame, shorter length, 9.5*1*1 in(24.5*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes.

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Product Features

  • Explosion Proof: 2mm thickened explosion proof glass, 33% thicker than the normal, safer for both human and animals.
  • Accurate Temperature: Temperatures from 68F to 93F (20C - 34C), come with a thermometer sticker, convenient to detect the water temperature without another pay.
  • Application: 100W water heater is suitable for 10 30 gallon tank, also suitable for both saltwater and freshwater.

Accurate temperature: temperatures from 68f to 93f (20c - 34c), come with a thermometer sticker, convenient to detect the water temperature without another pay. Explosion proof: 2mm thickened explosion proof glass, 33% thicker than the normal, safer for both human and animals. Application: 100w water heater is suitable for 10 30 gallon tank, also suitable for both saltwater and freshwater.

25
7.3
SCORE
Sheye 500W Aquarium Heater, Fast Heating Submersible Thermostat, Titanium Fish Tank Heater, with LED Digital Display and External Temperature Controller, for Salt/Fresh Water
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Sheye 500W Aquarium Heater

Fast Heating Submersible Thermostat, Titanium Fish Tank Heater, with LED Digital Display and External Temperature Controller, for Salt/Fresh Water

by Sheye
What We like

[External Temperature Controller]: The touch-button controller adjusts the temperature without getting your hands wet. Its easy to control the temp from 68/20C to 94/34C.

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Product Features

  • [Rapid Heating]: Aquarium heaters is made of high quality Titanium metal, high heat transfer efficiency and short heating time. 500 watts is ideal for large aquariums of 60-150 gallons.
  • [Wide Compatibility]: The fish tank aquarium heater applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems.
  • [Safe & Reliable]: Accurate temperature control making the temperature difference within 1/2F; automatically shut-off the power to avoid overheating and damage, keeping your fish healthy.
  • [Easy Installation]: Vertical or horizontal installation and ensure the device is fully submerged underwater.

[wide compatibility]: the fish tank aquarium heater applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems. [rapid heating]: aquarium heaters is made of high quality titanium metal, high heat transfer efficiency and short heating time. 500 watts is ideal for large aquariums of 60-150 gallons. [easy installation]: vertical or horizontal installation and ensure the device is fully submerged underwater. [safe & reliable]: accurate temperature control making the temperature difference within 1/2f; automatically shut-off the power to avoid overheating and damage, keeping your fish healthy.

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