Best Mini Aquarium Heater 2

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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AQQA Aquarium Heater 500W for 66-135 Gallon Submersible Fish Tank Heater 75 Gallon Betta Fish Heater Aquarium Thermostat Heater for Coral Marine & Freshwater Aquarium (500W, 66-135Gal)

  • 【High Quality Material】The shell of AQQA aquarium heater is made of PC plastic, much more heat-resistant than ABS material, can resist up to 180℃.
  • The heating rod is made of explosion-proof and insulated quartz glass.
  • Double sealing and waterproof, preventing leakage of water and electricity. Much safer for human and your lovely fishes..
  • 【Intelligent Temp Control Range 59-93 ℉】AQQA aquarium heater adopts nickel-chromium heating wire, 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. Alway provide a safe and comfortable living environment for your fishes..
  • 【Easy Installation and Temp Setting】You can install it at any angle by 2 powerful suction cups, just make sure it is under water fully. You can set temp with an external temp controller, press the button for 3 seconds to switch beween ℉ and ℃,and every press to adjust 1 ℉ /℃. Easily adjust the temp without hands getting wet. (Note: the controller is not waterproof).
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Red Baron with A-10 Tank Killer Jewel Case

  • 【25W Aquarium Heater】Orlushy 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....
  • 【Easy to Operate 】This aquarium heater is automatic constant temperature heating when the power is switched on. The preset temperature is 78℉.....
  • 【Durable & Material】 The durable material of the heater ensures safe operation. The outer shell covering the whole body of the heater is made of....
  • 【Cautions】 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....
  • 【Guaranteed Customer Service】 Orlushy fish tank heater is made with great safety and durability for use. We guarantee 1 -Year warranty. If there....
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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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DaToo Aquarium External Heater in-Line Fish Tank External Heater 300W for Canister Filter

  • Perfect Aquarium External Heater For Your Needs: For every hobbyist or professional fish breeder with a canister filter, a perfect external heater is essential. DaToo Aquarium External Heater is specially designed for canister filter. Leading temperature control system, precise overheat protection, provides a warm, safe and comfortable living environment for your beloved fish!!.
  • Leading Temperature Control System: For the health of fish, a precise and constant temperature is very important. DaToo Heater's temperature control system uses advanced STM8 chip, which ensures that DaToo has a precise and perfect temperature control over the 68 ℉ to 95 ℉ range. Just set the temperature that you need, DaToo will create a comfortable environment for your beloved fish. Very Easy! Clear and large LED display, only need a light glance, you can know the current water temperature..
  • Safe Over-Heat Protection: DaToo Aquarium External Heater has two temperature sensors, one at the heater inlet and the other at the outlet. This makes DaToo heater can be more accurate to measure temperature change. When the temperature exceeds the set temperature by 0.2 ℉, the heater immediately stops heating, the maximum to protect the safety of the lovely fish..
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YukiHalu Compact Submersible Aquarium Heater Mini Fish Tank Heater 50W/100W External Temperature Controller Used for 1-20 Gallon 50W 2-8 gallons

  • 【Compact Size & Quiet, 50 Watt Heater】 YukiHalu upgraded small aquarium heater is suitable for 2-8 gallons mini fish tanks. More compact than....
  • 【1℉ Accuracy & PID Control Strategy】Thanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant....
  • 【External Temperature Controller & Never Wet Your Hands】 Use an external controller to set the temperature instead of immersing your hands in....
  • 【Built-in Thermometer & Dual LED Display】The water temperature will be displayed on both the heater and the external temperature controller in....
  • 【Overheating Protection & Out of Water Protection】The power will be cut off and stop heating if the heater out of water. Protect your hands and....
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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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hygger Saltwater Tank Titanium Tube Submersible Pinpoint Aquarium Heater with Digital Thermostat, IC Temp Controller 200 Watt

  • [FULLY SUBMERSIBLE]: Our Fish Tank Heater is fully submersible in water HORIZONTALLY with 2 suction cups can be easily mounted on tank. Place it near a strong water flow so that the whole aquarium at the same temperature. Comes with a separate controller where you can easily adjust from low to high without taking out the heater from the aquarium or fish tank..
  • [SHATTERPROOF & 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....
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Tetra Aquarium 20 Gallon Fish Tank Kit, Includes LED Lighting and Decor

  • Tetra Glass Aquariums are made in the USA and are built to last with scratch resistant glass.
  • The Tetra Aquarium comes loaded with an LED hood, that provides a natural daytime effect and a Whisper Filter that is whisper quiet while providing powerful, dependable water flow.
  • Artificial Plants add a unique, natural ocean feel while giving your fish a place to hide which reduces fish stress.
  • The Tetra Kit includes: one 20 Gallon Glass Aquarium, one LED hood, one Tetra Mini UL Heater, one Tetra Whisper 20 Filter, one artificial Boxwood Plant Mat, four artificial plants. Add gravel and fish to complete your aquarium.
  • Aquarium Dimensions: 24.2" L x 12.4" W x 16.7" H.
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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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