HiTauing Aquarium Heater, 50W/100W/200W/300W/500W Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off When Leaving Water for Saltwater and Freshwater

4915 ratings
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Product Features
- đ ăRapid Heating and Two Temperature Control Systemă300W aquarium heater is sutable for 40-75 gallon fish tank and made of the most stable nickel-chromium heating wire, which can quickly and stably conduct heat to the surroundings. It has a built-in temperature control system of Fahrenheit and Celsius(Temp range: 63-94â/17-34â). You can press and hold the button next to the controller for 2-3 seconds to switch.
- đ ăIntelligent Water Sensor and Over Temperature ProtectionăThis fish tank 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.
- đ ăExplosion-proof Quartz Glass Aquarium HeaterăThe submersible aquarium heater is made of explosion-proof quartz glass material and a high-temperature resistant nickel-chromium heating wire with silicon carbide heat conduction, faster water heating and longer lasting. And the stronger black shell is a high temperature resistant ABS material which protect the fish, your aquatic organisms and you from scalding.
- đ ăAccurate External Digital Display ControllerăThe external IC temp controller of this aquarium water 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.
- đ ăWide Range of UseăThis 300 watt adjustable 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.
hygger Mini Fish Tank Submersible Heater 20W for 1-5 Gallons Desktop Betta Aquarium Heater with Digital Display Controller Adjustable Temperature

264 ratings
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Product Features
- Beep Alarm, Fault Prompt: Our nano aquarium heater has safety features such as low water level shutdown and overheat protection. When the temp control system detects a malfunction in the equipment, it will give an error code alarm and stop heating to prevent any potential damage or injury. Note: Although the system will automatically turn off the power when a malfunction occurs, residual heat in the heating rod may melt the shell. Please handle it as soon as possible
- Black Look & Mini Size to Hide Easily: The 20-watt Betta heater with a 4" long x 1" height heating element design takes up very little space, which could effortlessly fit into about 1-5 gallon small aquariums and is also suited for shallow water turtle tanks
- Adjustable Temperature Control: hygger mini submersible heater includes an external thermostatic temperature controller, you can easily set the temperature by cycling between 59 and 93 degrees, and the digital display makes for intuitive viewing of real-time water temperature. Once the heater is on, an indicator light will tell you whether it is in heating mode or on standby
- Intelligent Automated Heating: This small fish tank heater effectively maintains the water at a steady temperature, when it reaches below your set temp, it kicks on and then turns off when it reaches the desired temp. Also, with the memory function, you don't have to reset the temperature if you get power outages
- Safety Instruction: Please keep the heating rod fully submerged, and use the two suction cups to make it easier installed vertically or horizontally on the tank wall. Make sure to unplug before water change or cleaning cool down the fish heater for 15 minutes
Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt, 2-10 Gallon

16199 ratings
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Product Features
- All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached..All Tetra HT Heaters will shut off if an electrical short is detected for your safety.
- The HT10 uses a built in electronic theromstat to automatically maintain water at 78° F which is ideal for most tropical fish. No adjustment is requried.
- Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies
- The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other décor.
- Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.
- All Tetra HT Heaters will shut off if an electrical short is detected for your safety.
HITOP 25W 50W 100W 200W 300W Adjustable Aquarium Heater, Submersible Fish Tank Heater Thermostat with Suction Cup (50W)

7830 ratings
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Product Features
- đHITOP aquarium heater 50W, length 7.2-inch, power cord 4.9ft, designed for small fish tanks, recommended for aquariums up to 15 Gallons.
- đ Thickened Glass: 2mm thickened quartz glass, 33% thicker than 1.5mm normal aquarium heaters, much safer for human and your lovely fishes, your pets will no longer fear the winter.
- đAdjustable and easy to use: This aquarium heater, adjustable temperature range 68 ~ 93 °F, after setting the temp you want, will on or shut off automatically when the water temperature changes, no extra adjustment is required.
- đAccurate Temperature Control: This fish tank heater built-in thermostat, will automatically keep the water at the set temperature within±2°F error. Comes with an sticker thermometer to detect water temp at any time.
- đ Easier installation, you can install it with any angle by 2 powerful suction cups, just make sure it is under water fully. Besides, we provide 1 more extra suction cup for spare (total 3 PCS), and we provide 12 months after-sales service.
Product Features
- Heater is meant for Tanks between 159-264 Gallons.
- Size of Heater is 20â X 1.4â Diameter
- Fully submersible, will automatically turn off when water level dips too low.
- Thermo safey control protects against running dry.
- Made of shock resistant and shatter proof glass for fresh or marine water.
- On/Off indicator light for at-a-glance monitoring.
DaToo Small Aquarium Heater 50W Mini Fish Tank Heater 50 Watt Submersible with LED Temperature Display

760 ratings
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Product Features
- DaToo 50W Small Aquarium Heater -- A warm water temperature can always bring happiness to the fish. They can freely play around in the water without worrying about the cold, which will make them healthier and more energetic. DaToo 50W aquarium heater, three-point temperature control system, sturdy and durable, real-time temperature display and external temperature adjustment, safe and easy to use, not only can easily create a warm underwater world for your fish, but also bring them happy.
- Three-Point Temperature Control System -- DaToo creatively uses three temperature sensing points, which makes DaToo heater has more accurate and sensitive temperature. Accuracy is ±1â. Automatic constant temperature, when the water temperature reaches the set temperature, the heater will automatically stop heating. When the water temperature is lower than the set temperature, the heater will automatically start heating. No need to worry about overheating.
- Sturdy And Durable -- High strength ABS shell, no fear of any external force damage and chemical corrosion, high temperature resistant, longer service life. Thicker quartz glass, explosion-proof and crack-proof, safer and more durable, excellent heat transfer rate, which enables DaToo aquarium heaters to quickly fill every corner of your fish tank with warmth!
- Convenient Temperature Display & Adjustment -- Real-time temperature display, DaToo heater can accurately display real-time water temperature, no need to buy an extra thermometer, save you money. External temperature controller, just press it gently outside the fish tank, you can get the temperature you want, will not scare your cute fish. Very convenient!
- One Year Warranty & Satisfaction Guarantee: This is a 50W small size heater, ideal for 2~10 gallon aquariums. Suitable for fresh water and salt water. When in use, it needs to be submerged 100% in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence!
Orlushy 25W Submersible Mini Fish Tank Heater, Adjustable Aquarium Heater with Digital Display External Controller, Overheat Protection and Free Thermometer for 1-5 Gallon Freshwater & Saltwater Tank

560 ratings
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Product Features
- Orlushy 25W Aquarium Heater: Orlushy 25W heater can work perfectly in 1-5 gallons tank, suitable for aquariums, fish tanks, betta tanks and turtle tanks. The length of this heater is 5.2 inches and compact in size, which takes up less space and can be easily hidden in the aquarium, keeping your fish tank at most beauty.
- Safer and More Durable Quartz Glass: This aquarium heater is made of gray quartz glass, which has higher hardness than regular quartz glass, more high-temperature resistant and explosion-proof. This material makes the heater safer and more durable to be used in both freshwater and saltwater, longer service life is provided.
- Rapid Water Heating and Accurate Water Sensor: With uniformly wound premium nickel-chromium wire, heat can rapidly dissipate to a wider area in water, more efficient water heating. Unique water temp sensing system can accurately correct the water temperature in real time at set value, protecting your aquatic lives from fluctuating water temperature. Once the water temperature exceeds 95â, heater will automatically cut off the power and error code âEEâ will be shown, getting your fish rid of the risk of âboiling fishâ.
- External Controller with LED Digital Display: External control reduces the risk that water gets in and burn out the heater, greatly improving the safety. Remote control allows you to adjust the heater without being done in water and getting hand wet. The temperature is adjustable ranging from 65â to 93â, and the set value changes 1 â per press. Besides, you can also observe the real-time water temperature from the digital display at any time.
- Free Thermometer and 180 Days Warranty: This fish tank heater comes with one free strip thermometer for better temperature calibrator as well as 180 days warranty that free replacement of heater are provided if any problem occurs to it. If you have any issue with the heater, please feel free to contact us. We would provide a timely after-sale service.
FEDOUR 50W 100W 300W Submersible Aquarium Heater, Adjustable Glass Water Heater for 5 â 70 Gallon Fish and Turtle Tank (300W for 35-70 Gallon)

120 ratings
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Product Features
- ăWide Applicationă300W aquarium heater, length: 11*1*1 in, suitable for 35-70 gallon aquariums, also suitable for seawater and freshwater, can be used in fish tanks and turtle tanks.
- ăSafeăExplosion-proof glass heater, this fish tank heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, not easy to crack, which is very safe for people and aquatic animals.
- ăAdjustable TemperatureăThis fish heater adopts 8-slot multi-branch heating wire ceramic frame, better heat dissipation, long service life. The adjustable temperature range of the water heater for fish tank is 68°F - 93°F (20°C - 34°C), and we also included a thermometer sticker, which is more convenient to check the water temperature.
- ăComplete Accessories and WarrantyăThis aquarium submersible heater comes with all the accessories you need, not only has a stick temperature, it also comes with 3 suction cups, one for replacement. We provide a 12-month warranty service for this heater, so you can buy with confidence, if you have any questions, please feel free to contact us, we will reply within 24 hours.
- ăNoteăThis fish tank heater must be fully submerged in water for use. If you need to change the water or clean the fish tank, please cut off the power first, cool the heater for more than 15 minutes, and then take it out after the heater is completely cooled.
Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78âfor 1-6 Gallons Freshwater & Saltwater Tanks

23738 ratings
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Product Features
- ă25W Aquarium HeaterăOrlushy 25w fish tank heater can be applicable to 1-6 gallons tank. It is 4.7 inches in length, ideal for use in low water level and wonât take up mech place, easy to hide in small tank. Please fully submerged the heater vertically into water in fish tank, and horizontally into water in turtle tanks.
- ăEasy to Operate ăThis aquarium heater is automatic constant temperature heating when the power is switched on. The preset temperature is 78â. Accuracy is ±3â. Stair shape heating that red light is on and heater starts to intermittently heat the water to the preset temp, saving energy and electricity. When green light is on, heater stops working and maintains constantly 78â.
- ăDurable & Materială The durable material of the heater ensures safe operation. The outer shell covering the whole body of the heater is made of heat-resistant ABS material that it wonât deform and melt under high temperature. The heating rod is made of nickel-chromium heating wire to faster heating rate, and non-corrosive quartz glass.
- ăCautionsă 1.Please ensure the heater is 100% submerged into the water before plug in the power. 2. Please unplug the power and cool down the heater for 10-20 minutes before taking it out to clean the fish tanks or change the water.
- ăGuaranteed Customer Serviceă Orlushy fish tank heater is made with great safety and durability for use. We guarantee 1 -Year warranty. If there is any issue with our product, please contact us, and we would gladly offer you after-sales service.
PULACO 25W Small Aquarium Submersible Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78â)

11239 ratings
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Product Features
- ăBetta Heateră: This 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.
- ăQuick and Easy Installationă: Vertical or horizontal placement using, Aquarium heater automatic temperature control 78â, no need to adjust temperature, easy to operate, fishes happy.
- ăHow it Worksă: Plug in, red light turns on, the heater will start working until water temperature up to 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. AccuracyïŒÂ±3°F
- ăNoteă: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. Please install a water pump or filter to help water circulating while heating.
- ăSATISFACTION GUARANTEEDă: Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that youâre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service.