Reviews Gallon Aquarium Heater

DaToo 10 Watt Small Aquarium Heater Mini Betta Flat Fish Tank Heater for 1 Gallon 1.5 Gallon

  • ....5 GALLON TANK - For a Betta breeder with a 1 to 1.5 gallon small tank, it is very difficult to choose a suitable heater. Because most of the heaters on the market are too big for this small tank. This not only affects us to watch our beautiful Betta, but also reduces the activity space of the Betta. Now DaToo Mini Aquarium heater can help you solve this problem. Ultra-small and thin size, perfectly hidden in a 1~1.5 gallon tank, your Betta will be happy with it! !.
  • CONSTANT TEMPERATURE & NO NEED TO ADJUST - DaToo 10W MINI Aquarium Heater can automatically maintain a constant temperature between 75°F and 82°F (depending on the external environment), no need to set. This temperature range is ideal for most tropical fish and is very beneficial for the reproduction of betta and promotes their metabolism. With no extra work, just plug it in and the DaToo 10Watt Small Fish Tank Heater will help your fish stay healthy and comfortable. Great for kids!!.
  • 24V SAFE VOLTAGE & POWER OFF AFTER LEAVING WATER - The output voltage of the DaToo Betta Heater is only 24V, which not only ensures the safety of the fish, but also ensures the safety of the user. No need to worry about leakage, you can rest assured to use it for your children. The Betta heater needs to be c....
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300w 150w 50w Submersible Aquarium Heater Auto Thermostat Heater with Suction,LED Small Mini Temperature Display Aquarium Fish Tank Heater for Fish Tank Water Bonus Thermometer

  • 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,....
  • MORE SAFETY & HIGH QUALITY: This upgraded aquarium heater now updated for more durable Quartz Glass, which is pretty shatter-proof and blast-proof and....
  • 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....
  • TEMPERATURE CONTROL: Aquarium heater works in intermittent operation mode and will automatically turn on/off to achieve the setting temperature....
  • APPLICABLE TANK SIZE: Our submersible aquarium heaters are perfect designed for different size tank, 100W for 10-20 gallon.
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FishCheers Preset 78℉ Aquarium Heater 250W，Submersible Thermostat Aquarium Heater for 75-85Gallon Fish Tank Suitable for Saltwater and Freshwater Aquariums

  • 【Application】: Aquarium preset 78°F heater 250W for 75-85gallon fish tank. Heater length: 11.02inch. Voltage: 115/230V..
  • 【Automatic Thermostat】: The heater is preset to a fixed temperature of 78°F, no need to adjust the temperature. The heater will automatically stop heating when heated to the preset temperature of 78°F.Perfect for beginners..
  • 【Overheat Protection】: The submersible heater has auto-protection system for overheating without water, the aquarium will automatically power off when there is a lack of water to prevent the heater from bursting, making it safer for your aquarium..
  • 【Safe and Convenient to Use】: The heater adopts quartz glass, which is explosion-proof. The aquarium heater comes with two silicone suction cups that can be placed vertically or horizontally in the tank. Please submerge the heater completely in water when using..
  • 【UL Certification】: The aquarium heater has the reliable UL certification. It can be widely used in freshwater and marine aquariums, aquaculture and hydroponic systems..
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FishCheers Preset 78℉ Aquarium Heater 150W, Submersible Thermostat Aquarium Heater for 35-55Gallon Fish Tank Suitable for Saltwater and Freshwater Aquariums

  • 【Application】: Aquarium preset 78°F heater 150W for 35-55gallon fish tank. Heater length: 8.07inch. Voltage: 115/230V..
  • 【Automatic Thermostat】: The heater is preset to a fixed temperature of 78°F, no need to adjust the temperature. The heater will automatically stop heating when heated to the preset temperature of 78°F.Perfect for beginners..
  • 【Overheat Protection】: The submersible heater has auto-protection system for overheating without water, the aquarium will automatically power off when there is a lack of water to prevent the heater from bursting, making it safer for your aquarium..
  • 【Safe and Convenient to Use】: The heater adopts quartz glass, which is explosion-proof. The aquarium heater comes with two silicone suction cups that can be placed vertically or horizontally in the tank. Please submerge the heater completely in water when using..
  • 【UL Certification】: The aquarium heater has the reliable UL certification. It can be widely used in freshwater and marine aquariums, aquaculture and hydroponic systems..
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Penn-Plax Warm Tone LED Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 18” Length – 500 Watt

  • FULLY SUBMERSIBLE AQUARIUM HEATER: The 500W Warm Tone LED Aquarium Heater easily maintains healthy water temperature, and can be set anywhere between 61 ℉ and 90 ℉, by using the precise adjustment dial. The 500W model works great for 80 – 200 gallon fish tanks..
  • LED DISPLAY: With an easy to read LED display, our Warm Tone Aquarium Heaters accurately show the water temperature, allowing you to monitor and adjust it as needed..
  • ADDITIONAL FEATURES: In addition to being composed of high quality quartz tube and electrical components for maximum safety and durability, these fully submersible aquarium heaters can be placed either horizontally or vertically..
  • PLEASE NOTE: Do not operate heater outside of aquarium, and never submerse a hot heater into an aquarium – only submerse a cool heater. After placing the heater into your aquarium, wait 15 minutes before turning on. This allows the thermostat to adjust itself to water temperature..
  • MEASUREMENTS: Overall Length = 18” / Overall Diameter = 1.5” / Suction Cup Diameter = 1.5” / Wattage = 500W / Voltage = 120V.
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FREESEA Submersible Betta Aquatic Heater: 300 Watt Aquarium Heater with Adjustable Temperature Display for Fish Tank | Saltwater | Freshwater

  • 【 300W Aquarium Heater 】 300 watt submersible heater for aquarium, voltage: 110~120V, is suitable for use in 35-50 gal betta fish turtle tanks and aquariums. The power cord is 5ft, long enough for use indoors. With 2 strong suction cups at the back side of the betta heater 35 gallon, it's easy to install it on to glass, acrylic or plastic tank..
  • 【 External Controller 】 FREESEA fish heater with display is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient to adjust temperature that range from 63℉ to 94℉. 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..
  • 【 LED Temperature Display 】 Digital led temperature display shows the real-time temperature and error code on the screen. When the submersible tank heater is heating, there indicator light above the digit is on red. The heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time..
  • 【 Note 】 Do not operate or leave product plugged in when your water tank is out of water. This betta fish heater 30 gallon is 100% submersible use only, during its heating time, i....
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Dreyoo 2 Set Aquarium Fish Tank Heater, 300W Submersible Aquarium Heater with Thermometers and 4 Suckers, Adjustable Knob Aquarium Water Heater Built in Thermostat for 40-55 Gallon Aquariums

  • 300W Aquarium Heater: suit for 40 to 55 gallon aquariums, the tank heater is 11" in length, 110-120V and 5 feet plug cable, the package comes with 2 pack fish tank heaters, 2 aquarium thermometers and several suckers.
  • Adjustable Temperature: aquarium submersible heater has an exact temperature scale of 68 to 93 °F, complete control of the water climate within 1 degree of difference.
  • Sensitive and reliable thermostat maintains uniform temperature, when red light on is heating, and automatic shutdown when temperature is reached.
  • With 2 Aquarium Thermometers: the immersion probe with suction cup can be easily put into the water, allowing you to better observe the temperature of the fish tank.
  • Immersion probe only, do not immerse the thermometer in water.
  • Distinct Design: the aquarium water heater uses 2 mm thickened quartz glass, can be applied in fresh-water and saltwater aquariums, easy to hide in the tank, which is not easy to crack and safe for people and water animals.
  • Note: the fish aquarium heater need to adjust temperature firstly, and then fix suction cup, and the heat....
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Submersible Aquarium Heater Fish Tank Heater with Dual Temperature Displays and Temp Controller Adjustable for Turtle Betta Fish Tank

  • ❀[300 watt heater] This 300 watt heater is suitable for 25-80 gallon water tanks, the heater length is 10.8 inches (about 27.4 cm), and the power cord length is 47 inches (about 119.3 cm) + 67 inches (about 170.2) Cm), please choose the appropriate wattage aquarium heater according to our size chart..
  • ❀[External temperature controller] This diving aquarium heater is designed to control the external temperature, allowing you to conveniently and safely adjust the temperature without taking the heater out of the water and taking risks..
  • ❀[Dual temperature display] Simultaneously display the water temperature and set the temperature, which can help you easily identify and observe temperature changes even at night..
  • ❀[High quality] Made of shockproof and shatterproof quartz, suitable for fresh water or sea water. In addition, the heat-insulating cover can protect your little fish from scalding..
  • ❀[Please note] The aquarium heater should be completely immersed in water. When cleaning the fish tank, changing the water in the aquarium or removing the heater, please unplug the pow....
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hygger 500W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 60-120 Gallon

  • 【Energy Saving Heater for Aquarium Over 60 Gal】voltage 110-120V/60HZ, power 500W, US three-pin plug, heater length 7.9 inch. The heater power cord and the controller cord are both 5ft. 800W aquarium heater for fish tank 60-120 gallon. Fast heating up aquarium heater, it takes about 3 minutes to heat 3.5 gallon water up 3℉. With 2 heating modes: Max heating, Eco heating, more energy saving than general high power heater.
  • 【Auto Shut Off When Overheating or Not Fully Submerged】with built-in thermometer and waterline detector, when the water temp is over 97F, the controller will auto shut off to prevent overheating, when the top of heating element is out of water over 0.8 inch, the controller will auto shut off and stop heating and will automatically restart heating after you place the heater fully under water.
  • 【Dual Digital Displays on Controller & Heater】the digit display on the heater is to show the current water temp, the controller digit display will show the current water temp and the set temp. When you want to check the water temp, you can see that on the heater or the controller display, the digits are synchronized updated.
  • 【Fully Automatic Smart Thermostat】 it's very easy to set the temp on the controller, just press the set ....
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hygger 800W Titanium Steel Aquarium Heater for Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller, for Fish Tank 120-180 Gallon

  • 【Energy Saving Heater for Aquarium Larger than 60 Gal】voltage 110-120V/60HZ, power 800W, US three-pin plug, heater length 9.6 inch. The heater power cord and the controller cord are both 5ft. 800W aquarium heater for fish tank 120-180 gallon. Fast heating up aquarium heater, it takes about 2 minutes to heat 3.5 gallon water up 3℉. With 2 heating modes: MAX heating, ECO heating, more energy saving than general high power heater.
  • 【Auto Shut Off When Overheating or Not Fully Submerged】with built-in thermometer and waterline detector, when the water temp is over 97F, the controller will auto shut off to prevent overheating, when the top of heating element is out of water over 0.8 inch, the controller will auto shut off and stop heating and will automatically restart heating after you place the heater fully under water.
  • 【Dual Digital Displays on Controller & Heater】the digit display on the heater is to show the current water temp, the controller digit display will show the current water temp and the set temp. When you want to check the water temp, you can see that on the heater or the controller display, the digits are synchronized updated.
  • 【Fully Automatic Smart Thermostat】 it's very easy to set the temp on the controller, just press ....
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Freshwater Aquariums For Dummies

  • 【Rapid Heating and Two Temperature Control System】300W 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: 63-94℉/17-34℃). You can press and hold the button next to the controller for 2-3 seconds to switch..
  • 【Intelligent Water Sensor and Over Temperature Protection】This 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..
  • 【Explosion-proof Quartz Glass Aquarium Heater】The 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 resistan....
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DaToo 25W Mini Aquarium Heater Betta Small Fish Tank Heater Submersible 3 to 5 Gallon, 1 Yr Warranty

  • The Best 25W MINI Aquarium Heater For Betta: Water Temperature is a important factor that your betta is always concerned about. When winter comes, it must want you to prepare a small tank heater for it. DaToo 25 MINI Aquarium Heater Suitable for all kinds of aquarium pets, Betta, tropical fish, goldfish, ornamental fish and turtles. Mini size, Perfect Temperature Control, let your cute betta have a happy and healthy winter!.
  • Intelligent Temperature Constant System: Unlike other traditional fish tank heaters, DaToo 25W small aquarium heater has a built-in DTN7 intelligent chip, which can automatically maintain the temperature between 75°F and 82°F. This is the ideal temperature to keep betta healthy! And DTN7 chip can effectively prevent overheating by controlling the heater on and off, let your bettas enjoy the warm winter without any worries!!.
  • Real-time Monitoring Of Water Temperature: DaToo provides you with a digital electronic thermometer for free. Waterproof and wireless, you can put it completely in water. Electronic temperature display, just a quick glance, you can know the water temperature of your aquarium. Very convenient!.
  • Durable Materials And Safety Certifications: Excellent engineering-grade plastic shell and MCH heating ceramic, sturdy....
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hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

  • 500 WATTS AQUARIUM HEATER - 500W aquarium heater is suitable for 66 to 135 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart.
  • OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp.
  • AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!.
  • DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!.
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