Top External Aquarium Heater

OASE Indoor Aquatics Biomaster Thermo 250

  • The Bio master thermos 250 has an integrated heater in compact Filter design.
  • The built-in heater provides your aquarium with Precise and uniform temperature levels while the product integration delivers unobstructed views of your Aquarium.
  • External filter operates quietly to circulate and filter your aquarium water.
  • Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration.
  • Hel-x, suspended Filter media, creates the optimal surface area for beneficial bacteria growth.
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OASE Indoor Aquatics Biomaster Thermo 350

  • The Bio master thermos 350 has an integrated heater in compact filter design.
  • The built-in heater provides your aquarium with Precise and uniform temperature levels while the product integration delivers unobstructed views of your Aquarium.
  • External filter operates quietly to circulate and filter your aquarium water.
  • Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration.
  • Hel-x, suspended filter media, creates the optimal surface area for beneficial bacteria growth.
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hygger 100W Aquarium Heater, Ultra Short Quartz Fish Tank Heater with LED Digital Display Thermostat Controller for 5-26 Gallon Freshwater Saltwater Tank

  • ...GENT THERMOSTAT】 When the actual temp is lower than the set temp of the fish tank heater by 1.5°F/1.5°C, the indicator light will turn red, the fish tank heater will heat up to the set temp at full power, and the indicator light will turn blue color, then stop heating.Temperature Ranging from 59℉ to 93℉..
  • 【External Smart HD Controller】External controller with LED digital display, without getting hands wet. Each press of the submersible heater will change the set temperature by 1℉(1℃). Press and hold it for 5 seconds to toggle between Celsius and Fahrenheit..
  • 【Full Submersible Heater】100w aquarium heater is suitable for 5-26Gal fish tank freshwater and saltwater tanks. Memory function it remembers the temperature you set it when the power fails. THREE suction cup bracket, can stably fix the heater in every corner of the fish tank.e changing water or removing heater. Make sure the heating rod is completely submerged in water and there is enough water flow and water circulation in fish tank when using the heater.
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YOFOTHS Aquarium Heater 25W/50W/100W/200W, Small Fish Tank Heater, Temperature Adjustable Mini Tank Heater for 1/5/10/20/30/40 Gallon, External Temperature Controller (50W(3-10Gallon))

  • 【Precise and Constant Temperature】An intelligent IC chip controls the heater’s temperature. The temperature accuracy is 1℉. The fish heater will automatically start heating when the water temperature is lower than the set values and stop heating when the water temperature reaches the target..
  • 【External Temperature Controller】Adjust the temperature from 64℉ to 93℉, This submersible heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient and safe for you to set the temperature, No need to put your hands in the water to adjust the Aquarium Heater temperature..
  • 【Prevent for Over Heating and Out of Water Protection】 The heater will cut off power and stop heating automatically when the fish tank heater is out of water or the water temperature is over 95F. ‘E1’ error code will be shown. The function recovered when the heater is 100% immersed in water or the water temperature goes down to below 93℉..
  • 【Notice】During its heating time, heater must be 100% immersed into the water. Please unplug the power supply when cleaning the fish tank or aquarium water changes. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult gu....
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FREESEA Aquarium Fish Tank Heater 75 Watt Mini Submersible Water Heater with Digital Temperature Display - Adjustable External Controller for Betta | Turtle | Goldfish | 5-15 Gallon

  • FREESEA Aquarium Heater: 75w betta fish heater, voltage: 110~120V, is suitable for use in 5-15 gal betta fish turtle tanks and aquariums. The power....
  • Double Safety Protection: When the top part of the turtle tank heater is out of water it will auto shut off. When the actual water temperature is....
  • External Controller: The betta fish heater is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s....
  • LED Temperature Display: Digital led temperature display shows the real-time temperature and error code on the screen. When the mini aquarium heater....
  • 12-month Warranty: We are committed to providing high quality products and better service with a 12-month warranty. If you have any questions about....
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YukiHalu Submersible Aquarium Heater 100/150/200/300W, Small Size, Overheating Protection, External Temperature Controller, LED Display, Used for 20/30/40/60 Gallons (100Watts)

  • ...logy, and the heating is automatically stopped when the set temperature is reached..
  • 【Overheating and lack of water protection】Stop heating automatically if the fish tank lack of water or overheating. Never cook your fish..
  • 【External temperature controller】The temperature can be set by external controller, and the water temperature value is displayed on the LED display without the need for an additional aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off..
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HITOP Bundled Goods of 4W Powerful Aquarium Pump and 600W Digital Aquarium Heater

  • Bundled Goods of 　4W powerful aquarium air pump and 600W high-power aquarium heater are very suitable for 60-150 gallon fish tanks. Realize fish tank oxygenation and fish tank heating, and provide a comfortable living environment for your pets..
  • This 4W　Aquarium air pump kit including: 4W aquarium air pump with 4.8ft cable wire Long air tube *2(4.9 ft *2) air stone*2 check valve*2 air tube fixing cup*2 T-connector*1.
  • Ｑuiet aquarium pump：Most aquarium air pumps have only a single-layer casing. This aquarium aerator pump adopts the design of internal air pump + external black shark casing, which greatly reduces the noise, and the max noise does not exceed 35dB.
  • This HITOP 600W aquarium heater adopts a digital temperature control system, so it can display the set temperature and real-time power at the same time, which is clear to read. There is also a heating indicator to indicate the working status..
  • We provide 12 months warranty for our products．.
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CORISRX 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2 ,5/8 Applied to Both Sizes Black 150 Watt 5/8 ,1/2 Hose

  • Power: 150W, Applied sizes: 5/8"(16/22mm), 1/2"(12/16mm), can be applied to both sizes.
  • The in-line external heater is designed for vertical use in most aquarium applications involving water hose of the specified diameter..
  • The most common application is for use with canister filter, however the External Heater is easily adapted for use in almost any situation where....
  • The External Heater is completely safe and UL Listed..
  • There is no danger of damage if the External Heater is left running dry for short periods as the ISTA External Heater will switch itself off in that....
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CORISRX 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2 ,5/8 Applied to Both Sizes Black 500 Watt 5/8 ,1/2 Hose

  • Power: 500W, Applied sizes: 5/8"(16/22mm), 1/2"(12/16mm), can be applied to both sizes.
  • The in-line external heater is designed for vertical use in most aquarium applications involving water hose of the specified diameter..
  • The most common application is for use with canister filter, however the External Heater is easily adapted for use in almost any situation where....
  • The External Heater is completely safe and UL Listed..
  • There is no danger of damage if the External Heater is left running dry for short periods as the ISTA External Heater will switch itself off in that....
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CORISRX 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2 ,5/8 Applied to Both Sizes Black 300 Watt 5/8 ,1/2 Hose

  • Power: 300W, Applied sizes: 5/8"(16/22mm), 1/2"(12/16mm), can be applied to both sizes.
  • The in-line external heater is designed for vertical use in most aquarium applications involving water hose of the specified diameter..
  • he most common application is for use with canister filter, however the External Heater is easily adapted for use in almost any situation where heated....
  • The External Heater is completely safe and UL Listed..
  • There is no danger of damage if the External Heater is left running dry for short periods as the ISTA External Heater will switch itself off in that....
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OASE Indoor Aquatics Biomaster Thermo 600

  • The Bio master thermos 600 has an integrated heater in compact filter design.
  • The built-in heater provides your aquarium with Precise and uniform temperature levels while the product integration delivers unobstructed views of....
  • External filter operates quietly to circulate and filter your aquarium water.
  • Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration.
  • Hel-x, suspended filter media, creates the optimal surface area for beneficial bacteria growth.
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hygger Saltwater Tank Titanium Tube Submersible Pinpoint Aquarium Heater with Digital Thermostat, IC Temp Controller 200 Watt

  • ...HATTERPROOF & ANTICORROSION]: Our Titanium Heater is completely shatterproof as there is NO glass in the construction– it’s made from heavy duty, durable Titanium. As it has a great feature of being anticorrosion, it is perfect for freshwater, saltwater aquariums and reef tanks..
  • [PINPOINT TEMPERATURE]: Build-in external electronic theromstat, it has DUAL LCD display that clearly shows you the temperature setting in either Celsius or Fahrenheit. Up is aquarium temperature and down is set temperature. Heater will stop heating when temperature rise exactly to your desired temp. Heating temperature range 32 to 104°F. Control accuracy is +/- 0.5° C..
  • [AUTOMATED SHUT OFF SYSTEM]: Temperature can be controlled and set to your desired degree of heat. It automatically sets off when it reached the designated temperature of your setting. Voltage: 110V.
  • [TANK CAPACITY]: 200W aquarium heater, 10.7 inches in length. Recommended for aquariums with 20 to 45 gallons of water capacity..
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