ReviewsHeater For 3gallon Aquarium

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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Orlushy 300W Submersible Aquarium Heater Fish Tank Heater with Adjustable Temperature and 2 Suction Cups for 30-55 Gallon Tank 6ft Power Cord

  • 【300 Watt Aquarium Heater】: 300w aquarium heater is for 30-55 gallons fish tank, voltage 120V/60Hz, power cord 6(ft), heating rob length-11....
  • 【Updated Design】: The aquarium heater is made of quartz glass, featuring corrosion-proof and explosion-proof. It adopts brand new structural....
  • 【Intelligent Safety Protection】: When the indicator lamp is on, the heater starts to heat up the water. With automatic shut-off function and the....
  • 【Wide Range of Application】: The heater is suitable for use in marine water or fresh water. With 2 strong suction cups, the heater can be....
  • 【Tips】: 1.Please disconnect the power supply, remove the heater out the water after cooling it down for 10 minutes before cleaning the aquarium or....
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DOMICA 200W/300W Aquarium Heater for 40 Gallon Fish Tank, Submersible Heater with Free Thermometer Sticker, 300W

  • 【300 Watt Heater】This Aquarium heater is suitable for 20 to 40 gallons aquariums, voltage 110-120V, power cord is 5.0 ft, please choose the right wattage aquarium heater according to our size chart.
  • 【Temperature range】: 68°F to 93°F (20°C - 34°C) , It is very easy to adjust the temperature you need (Temperature accuracy: ±3℉). we also deliberately give each customer a Thermometer Sticker you can observe the water temperature of the fish tank at any time.
  • 【Safety & Blast Resistant】2mm thickened quartz glass, 33% thicker than the normal, safer for both human and pet, heater can be used in fresh water and salt water aquariums,easy to hide in the tank.
  • 【Smart Temperature Control】Heater with thermal sensor inside, it has automatic constant temperature function, when water temperature reaches to preset temperature, heater will automatically stop heating, when water temperature is lower than the preset temperature, heater will automatically start heating again.
  • 【Note】Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% s....
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DOMICA 200W/300W Aquarium Heater for 30 Gallon Fish Tank, Submersible Heater with Free Thermometer Sticker, 200W

  • 【200 Watt Heater】This Aquarium heater is suitable for 10 to 30 gallons aquariums, voltage 110-120V, power cord is 5.0 ft, please choose the right wattage aquarium heater according to our size chart.
  • 【Temperature range】: 68°F to 93°F (20°C - 34°C) , It is very easy to adjust the temperature you need (Temperature accuracy: ±3℉). we also deliberately give each customer a Thermometer Sticker you can observe the water temperature of the fish tank at any time.
  • 【Safety & Blast Resistant】2mm thickened quartz glass, 33% thicker than the normal, safer for both human and pet, heater can be used in fresh water and salt water aquariums,easy to hide in the tank.
  • 【Smart Temperature Control】Heater with thermal sensor inside, it has automatic constant temperature function, when water temperature reaches to preset temperature, heater will automatically stop heating, when water temperature is lower than the preset temperature, heater will automatically start heating again.
  • 【Note】Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% s....
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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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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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TINTOR Aquarium Heater, Fish Tank Heater, 300W/500W/800W/1200W, Suitable for Freshwater and seawater Fish Tanks, 1200W(150-300gal)

  • 【25Watt Heater】This Aquarium heater is suitable for 1 to 8 gallons aquariums, voltage 110-120V, power cord is 5.0 ft, please choose the right wattage aquarium heater according to our size chart..
  • 【Temperature range】: 68°F to 93°F (20°C - 34°C) , It is very easy to adjust the temperature you need (Temperature accuracy: ±3℉). we also deliberately give each customer a Thermometer Sticker you can observe the water temperature of the fish tank at any time..
  • 【Safety & Blast Resistant】2mm thickened quartz glass, 33% thicker than the normal, safer for both human and pet, heater can be used in fresh water and salt water aquariums,easy to hide in the tank..
  • 【Smart Temperature Control】Heater with thermal sensor inside, it has automatic constant temperature function, when water temperature reaches to preset temperature, heater will automatically stop heating, when water temperature is lower than the preset temperature, heater will automatically start heating again..
  • 【Note】Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.,Please unplug the power supply when cleaning the fish tank or aquarium water changes..
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hygger Adjustable 5W Aquarium Air Pump with 2 Ports for 20~180 Gallon Fish Tank 160GPH Aquatic Aerator Oxygen Pump (5W up to 180 Gallon)

  • 【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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AQQA Fish Tank Heater 200W Submersible Aquarium Heater 30-40 Gallon Aquarium Betta Heater with Suction Cups Thermostat Heaters for Marine Aquarium & Freshwater （200W）

  • ... tank heater is made of 2MM thick high quality quartz, features insulated, explosion-proof and stable.Double sealing and waterproof, preventing leakage of water and electricity.Much safer for human and your lovely fishes..
  • 【Intelligent Temp Control Range 61-90 ℉】AQQA aquarium heater adopts nickel-chromium heating wire and sensitive silver contacts, features fast heating, high precision of temp control. The heater will power off automatically when reaching the set temp and will start heating again when the water temp is 1℉ lower than the set temp..
  • 【Easy Installation and Temp Setting】We recommend vertical installation by 2 powerful suction cups or slight tilt, make sure it is fully submerged into water before plug in. Horizontal installation may cause slight deviation of the sensing temperature due to the upward flow of hot water. Rotating the knob to set the target temp. The indicator light will turn red when heating. It is applied for freshwater and marine aquariums, aquaculture, and hydroponic systems etc..
  • 【Speciafication for 200W Submersible Aquarium Heater】200 watt aquarium heater is suitable for 30-40 ....
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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

  • 【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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DOMICA 25W Mini Aquarium Heater, Submersible Heater for Small Fish Tank (1-8 gallons) with Free Thermometer Sticker

  • AQUARIUM HEATER: Submersible heater is designed to keep your aquarium at the optimum temperature..
  • AUTOMATIC THERMOSTAT: Electronic thermostat keeps water at a consistent 78 degrees..
  • INDICATOR LIGHT: The red light shows when water is heating.
  • green indicates that the heater is on standby..
  • EASY TO USE: Just attach to an aquarium wall – the suction cup securely attaches heater to tank..
  • SIZE: Use this 50-watt heater for aquariums up to 10 gallons – UL Listed..
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