Top Fish Tank Heater 3 Gallon

AquaMiracle Adjustable 50W Aquarium Heater Submersible Fish Tank Heater Super Short Aquarium Heater with LED Digital Display Thermostat, for Tanks 5-10 Gallons

  • SUPER MINI SIZE – This aquarium heater is SUPER SHORT in length – might be the shortest heater in the market. It is only a bit more than HALF of the length comparing with the traditional fish heaters! The innovative super short length perfectly solves the headache of the fish keepers on the traditional aquarium heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93F. 4 sizes for 10/20/30/40 Gallon tanks..
  • ACCURATE TEMPERATURE – Thanks to the intelligent inverter technology, with the in-built chips the thermostat keeps the heater at a constant temperature at an accuracy of 1F, much more accurate than the traditional knob-controlled fish heaters. The thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate..
  • DRY RUN / OVERHEATING PROTECTION – Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level (DRY RUN PROTECTION) or when the water temperature exceeds 97F (OVERHEATING PROTECTION). You are free from “cooking fish”!.
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ZHGSERVU 500W Aquarium Heater Auto Thermostat Submersible 500 Watt Fish Tank Heater with Durable Quartz Glass and Protective Sleeve 3 Suckers for Saltwater or Freshwater 50-90 Gallon

  • Water shortage protection - Built with overheat and water shortage protection. The heater power will cut off when washing tank, changing water and maintaining aquarium, otherwise heating cannot be processed. CF certification.
  • Installation - 500W submersible heater is suitable for 50 to 90 gallons aquariums.
  • Vertical or horizontal installation and ensure the device is fully submerged underwater. With these 3 suction cups, the heater will stick tightly to the surface of tank.
  • Temperature Scale - Compact underwater analog tank heater can be adjusted between 68°F~94°F (20°C~34.5°C). 500 watt fish tank heater holds your 50-90 gallon tank at a constant temperature and recovers quickly after a water change. Note: Due to some unpredictable external factors, it's normal that the temperature difference is ±5°F.
  • 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.
  • Application - This underwater aquarium heater is great for both Fresh W....
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hygger 200W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Heater for 15-30 Gallon Tank

  • This fully submersible aquarium heater enables memory function and over heat protection. Auto stop heating when over-heats, resets when it cools down..
  • Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding.
  • Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F..
  • Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work.
  • 200 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 15-30 gallon freshwater and saltwater aquariums.
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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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Aquarium Heater 300W Upgraded Fish Tank Heater With Leaving Water Automatically Stop Heating And Advanced Temperature Control System, Suitable For Saltwater And Freshwater 20 Gallons to 60 Gallons

  • AIWEK Compact size aquarium heater 300W with controller, Shuts down when heater detects water is too low or out of water while plugged in,suitable for seawater and freshwater heating, betta fish and turtle tanks and other small fish tanks 20-60 gallon..
  • Easy to operate: This fish tank heater is easy to use, 7Ft long cable wire and the external controller can easily set the temperature, and the temperature adjustment range is 68-93℉.When the set temperature is reached, the temperature will be kept constant automatically..
  • Easy to read temperature: This fish tank heater has Digital LED temperature display, which can display the real-time water temp and set temp, so that you can know the temperature changes in the fish tank easily. There is also a clear heating indicator on it..
  • Fish-friendly: This aquarium heater is made of thickened quartz glass, and has good sealing performance to prevent water from entering, making it a more fish-friendly heater.The upgraded version comes with a protective shell to prevent accidental collision and explosion of the heating rod and protect the fish from scalding..
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hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank

  • ♦️[Over Heat Protection]♦️ This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when over-heats, resets when it cools down..
  • ♦️[Made with Premium Quartz] ♦️ and double sealed by black protective guard this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding.
  • ♦️[Build-in External IC Temp Controller] ♦️easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F..
  • ♦️[Easy to Set Temperature ] ♦️without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work.
  • ♦️[300 watt aquarium heater]♦️ voltage 110-120V, suitable for tank capactiy 30-60 gallon freshwater and saltwater aquariums.
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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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Hygger Mini Glass Aquarium Heater Adjustable LED Digital Temperature Display Small Tank Heater for Turtle Betta Fish Bowl with Protective Guard 50W

  • 【Run Dry Protection】This egg-shaped small aquarium heater automatically shut itself off once it come out of water which ensures the safety of your pet, especially turtle and frog.
  • 【Protective Guard】Made of high quality quartz glass, waterproof double seal material, covered with protective case, shatter-resistant construction, this fish tank heater keep your fish from scalding and punching.
  • 【Digital LED Display】External temperature setting control avoids getting hands wet, digital LED display shows real time water temperature. Heating temperature range from 63 to 94°F. Control accuracy is +/- 1°F..
  • 【Automated Shut Off System】Once you set the desired degree of heat, this fully submersible heater lights on red and begin to heating. It will auto shut off once it reach set temperature.
  • 【For Fish Tank 1-6.5 Gallon】50 watt aquarium heater is ideal for small fish bowls and aquariums 1 to 6.5 gallons.
  • it is ideal for betta fish and turtle tank.
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FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank (120W for 15-40Gallon)

  • 【More Power and Longer Life】This heater is for 15-40 gallon fish tank, comparing to 100W, this 120W aquarium heater is more powerful and heating the same water in shorten time. Less working time provide longer life..
  • 【Double Safety Protection】2mm thickened explosion-proof glass, 33% thicker than normal 1.5mm aquarium heaters, adding a specialized protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature..
  • 【Application】120W suitable for15-40gallon fish tank, suitable for both fresh and marine water, suitable for all kinds of fish, turtle and plants. Size: 9.4in(24cm) in Length..
  • 【Adjustable】High-precision temperature control system, adjustable temperature ranges from 20°C - 34°C (68°F to 93°F)..
  • 【Complete accessories】An additional stick-on thermometer as a bonus to detect water temp at any time, and 3pcs suction cups. Offering 12 months warranty for the whole heater..
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FEDOUR Adjustable Aquarium Heater with Protective Cover, 30W 50W 60W 120W Submersible Heater Thermostat for 5-40Gallon Fish and Turtle Tank (30W for 5-10Gallon)

  • 【More Power and Longer Life】This heater is for 5-10 gallon fish tank, comparing to 25W, this 30W aquarium heater is more powerful and heating the same water in shorten time. Less working time provide longer life..
  • 【Double Safety Protection】2mm thickened explosion-proof glass, 33% thicker than normal 1.5mm aquarium heaters, adding a specialized protective cover wrapping the heater tube, more durable and much safer for both human and aquatic creature..
  • 【Application】30W suitable for 5-10Gallon fish tank, suitable for both fresh and marine water, suitable for all kinds of fish, turtle and plants. Size: 7.5in(19cm) in Length..
  • 【Adjustable】High-precision temperature control system, adjustable temperature ranges from 68°F to 93°F(20°C - 34°C)..
  • 【Complete accessories】An additional stick-on thermometer as a bonus to detect water temp at any time, and 3pcs suction cups. Offering 12 months warranty for the whole heater..
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Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (50W for 5-15 Gallon)

  • Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals..
  • Application: 50W water heater is suitable for 5 – 15 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using..
  • Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay..
  • Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 7.8*1*1 in(20*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes..
  • Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase..
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Hitop 50W/100W/300W Adjustable Aquarium Heater, Submersible Glass Water Heater for 5 – 70 Gallon Fish Tank (100W for 10-30 Gallon)

  • Explosion Proof: The aquarium heater is made of 2mm thickened quartz glass, 33% thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals..
  • Application: 100W water heater is suitable for 10–30 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using..
  • Accurate Temperature: The fish tank heater can be adjusted from 68°F to 93°F (20°C - 34°C), comes with a thermometer sticker, convenient to detect the water temperature without another pay..
  • Long Service Life: This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 9.5*1*1 in(24*2.5*2.5 cm), better heat dissipation, and can save more space for your fishes..
  • Complete Accessories and Warranty: This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase..
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