25 Best Inline Water Heaters
for February 2021

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9.9
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hygger 500W Aquarium Heater, Submersible Fish Tank Water Heater with External Color LED Digital Temperature Controller, Fast Heating for 60~120 Gallon
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hygger 500W Aquarium Heater

Submersible Fish Tank Water Heater with External Color LED Digital Temperature Controller, Fast Heating for 60~120 Gallon

by hygger
What We like

ANTI-DRY PROTECTION: When the heating rod is exposed to air, display ER fault code and the heater will shut off automatically. When the heating rod is completely immersed in water, it will start working automatically. Effectively extend the service life. (PS: Suitable for freshwater only.)

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Product Features

  • RAPID HEATING: Fastest 5 seconds warming, with intelligent circuit board, work with new PTC ceramic thermal conductive material, the outside is wrapped with aluminum material to accelerate heat conduction and protection. Automatically reduces power when approaching the set temperature, fully utilizes thermal energy inertia to smoothly reach the set temperature, saving energy.
  • LED DIGITAL DISPLAY CONTROLLER: Displays real-time water temperature or set temperature, three-digit display, water temperature display accurate to 0.1 F, easy to read. 4 kinds of work instructions - Working/Malfunction/ Thermostatic/ Out of water, easy to understand. Child Lock"KEY": need to touch 3 seconds to set the temperature.
  • INTELLIGENT THERMOSTAT: Over-temperature protection prevents "cooking fish". When the water temp exceeds about 93.5 F, start alternately flashing EE fault code; and over 97, the heater will stop heating automatically. When the water temp cool down to 93, the heater will start working automatically. In addition, it has a power-off memory function and no need to set it again.
  • HIGH-QUALITY MATERIALS: Built-in dual temperature probe, real-time monitoring of water temperature, temperature accuracy of 1 F; high temperature resistant ABS material, no deformation and no softening, explosion-proof and anti-corrosion, no leakage of electricity. Strong suction cup bracket, can stably fix the heater in every corner of the fish tank.

Led digital display controller: displays real-time water temperature or set temperature, three-digit display, water temperature display accurate to 0.1 f, easy to read. 4 kinds of work instructions - working/malfunction/ thermostatic/ out of water, easy to understand. child lock"key": need to touch 3 seconds to set the temperature. Rapid heating: fastest 5 seconds warming, with intelligent circuit board, work with new ptc ceramic thermal conductive material, the outside is wrapped with aluminum material to accelerate heat conduction and protection. automatically reduces power when approaching the set temperature, fully utilizes thermal energy inertia to smoothly reach the set temperature, saving energy. Intelligent thermostat: over-temperature protection prevents "cooking fish". when the water temp exceeds about 93.5 f, start alternately flashing ee fault code; and over 97, the heater will stop heating automatically. when the water temp cool down to 93, the heater will start working automatically. in addition, it has a power-off memory function and no need to set it again. High-quality materials: built-in dual temperature probe, real-time monitoring of water temperature, temperature accuracy of 1 f; high temperature resistant abs material, no deformation and no softening, explosion-proof and anti-corrosion, no leakage of electricity. strong suction cup bracket, can stably fix the heater in every corner of the fish tank.

2
9.8
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hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon
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hygger 50W Mini Inline Quartz Glass Aquarium Heater with External Controller

Adjustable Submersible Betta Fish Tank Thermostat for 5-15 Gallon

by hygger
What We like

For Fish Tank 5-15 gallon50W aquarium heater, voltage AC110-120V 60HZ, power cord is 4.6ft. Heater rod length is 5 inch, mini compact heater for small fish tank use. Perfect for betta tank. A very compact heater, easy to hide in the tank

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Product Features

  • Automatic Stop & RestartEffectively maintain the tank water in the constant temp you set, stop heating when water temp reaches to the set temp and restart heating when the water temp is 1-2 below the set temp.The indicator light on the controller will be on red when it's heating, will be off when it stop heating
  • With Built-in Thermometeryou can set the the temp from 68 to 90,temp exactness is within 2 degrees in fahrenheit. There is a built-in thermometer in the heater to detect the water temp, not need to buy seperate thermometer
  • Fully Submersiblethis fish tank heater is waterproof, must be fully submerged in water when working, place it horizontally or vertically near the water intake or where the way of water flow
  • Durable Quartz Glassthis aquarium heater tube is heat-resistant quartz glass made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more

With built-in thermometeryou can set the the temp from 68 to 90,temp exactness is within 2 degrees in fahrenheit. there is a built-in thermometer in the heater to detect the water temp, not need to buy seperate thermometer Fully submersiblethis fish tank heater is waterproof, must be fully submerged in water when working, place it horizontally or vertically near the water intake or where the way of water flow Automatic stop & restarteffectively maintain the tank water in the constant temp you set, stop heating when water temp reaches to the set temp and restart heating when the water temp is 1-2 below the set temp.the indicator light on the controller will be on red when it's heating, will be off when it stop heating Durable quartz glassthis aquarium heater tube is heat-resistant quartz glass made, excellent in explosion-proof, can be used in fresh water and salt water aquariums, white alundum sand as the heat-conducting media, service life can be 3 years or more

3
9.8
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hygger 500W Titanium Aquarium Heater for Salt Water and Fresh Water, Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 60-120 Gallon
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hygger 500W Titanium Aquarium Heater for Salt Water and Fresh Water

Digital Submersible Heater with External IC Thermostat Controller and Thermometer, for Fish Tank 60-120 Gallon

by hygger
What We like

Durable Titanium Tubethis seawater resistant titanium aquarium heater is good for use in salt water and fresh water, service life can be 3 years or more. Very compact small, easy to hide in the tank. Don't suggest to use it in sump. The diameter of the titanium tube is19mm, you can buy suction cups suitable for this size when you need to get that replaced.

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Product Features

  • Digital LED Displaythe IC temp controller can show the water temp and set temp at the same time, and there is a indicator light to show the heating status. You can press the 'up' key to shift degree unit between Celsius and Fahrenheit
  • Wide Temperature RangeWith the thermostat controller you can set the temp from 32to 104, control precision is 1, please set the right temp for your aquarium pets. The separate thermometer can detect a temperature from -68 to 140, the measurement accuracy is 0.2 plus or minus, very sensitive
  • For Fish Tank 60-120 Gallonvoltage 110-120V, power 500W, heater rod length 12.3inch. The heater and controller power cords are the same length 5.5ft, the thermometer cord is 4.4ft. There are mounting holes on the temp controller back for hanging on the wall
  • Fully Automatic Controlvery easy and reliable to use. After well installing the aquarium heater and the thermometer, you just need to set the desired heating temp, it will stop heating when the water temp reaches to the set temp, it will automatically restart heating when the water temp is 1 less than the set temp. The controller has temp setting remember function

Fully automatic controlvery easy and reliable to use. after well installing the aquarium heater and the thermometer, you just need to set the desired heating temp, it will stop heating when the water temp reaches to the set temp, it will automatically restart heating when the water temp is 1 less than the set temp. the controller has temp setting remember function Wide temperature rangewith the thermostat controller you can set the temp from 32to 104, control precision is 1, please set the right temp for your aquarium pets. the separate thermometer can detect a temperature from -68 to 140, the measurement accuracy is 0.2 plus or minus, very sensitive For fish tank 60-120 gallonvoltage 110-120v, power 500w, heater rod length 12.3inch. the heater and controller power cords are the same length 5.5ft, the thermometer cord is 4.4ft. there are mounting holes on the temp controller back for hanging on the wall Digital led displaythe ic temp controller can show the water temp and set temp at the same time, and there is a indicator light to show the heating status. you can press the 'up' key to shift degree unit between celsius and fahrenheit

4
9.7
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hygger Fast Heating Titanium Aquarium Heater with LED Digital Temp Controller 800W Submersible Fish Heater for 120-180 Gallon Freshwater Marine Tank
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hygger Fast Heating Titanium Aquarium Heater with LED Digital Temp Controller 800W Submersible Fish Heater for 120-180 Gallon Freshwater Marine Tank

by hygger
What We like

Easy to set temperature without getting hands wet. Build in hand button, Keep pushing the button. It will cycle through all the set temperatures. Temperature can be precisely adjusted from 70 to 94F

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Product Features

  • Made with premium titanium 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. Temp accuracy is +/- 1F.
  • 800W aquarium heater, voltage 110-120V, suitable for tank capactiy 120-180 gallon freshwater and marine water aquariums
  • 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 titanium 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. temp accuracy is +/- 1f. 800w aquarium heater, voltage 110-120v, suitable for tank capactiy 120-180 gallon freshwater and marine water aquariums This fully submersible aquarium heater enables memory function and over heat protection. auto shut off when over-heats, resets when it cools down.

5
9.6
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Flexzion Pond Pump Submersible (1200GPH) Adjustable Flow Inline Aquarium Fountain Waterfall Koi Fish Salt Fresh Water Filter with Set of Outlet Adapter
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Flexzion Pond Pump Submersible (1200GPH) Adjustable Flow Inline Aquarium Fountain Waterfall Koi Fish Salt Fresh Water Filter with Set of Outlet Adapter

by Flexzion
What We like

Allow large size of dirt particle up to 1/4" with spiral propeller design

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Product Features

  • Adjustable flow rate; Safe for fish, with no oil, copper or harmful chemicals
  • Well designed with variable frequency technology for a variety of settings: small power, large flow, high H-max, silence
  • This pump is good for aquariums, waterfalls, pond filtration systems or any other pond application
  • Can be used submerged or inline (external) with both salt and fresh water, indoors or out

Well designed with variable frequency technology for a variety of settings: small power, large flow, high h-max, silence Can be used submerged or inline (external) with both salt and fresh water, indoors or out Adjustable flow rate; safe for fish, with no oil, copper or harmful chemicals This pump is good for aquariums, waterfalls, pond filtration systems or any other pond application

6
9.5
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AKL DABMR Aquarium Heater, Fish Tank Heater with LED Digital Display and Temperature Controller 500W/300W Adjustable External Inline Heater for Salt Fresh Water, 300w
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AKL DABMR Aquarium Heater

Fish Tank Heater with LED Digital Display and Temperature Controller 500W/300W Adjustable External Inline Heater for Salt Fresh Water, 300w

by AKL
What We like

High Quality: The shell is made of high temperature resistant ABS material without deformation,no softening,and internal ceramic heating body, which effectively prevents damage caused by fish and turtles. Let you rest assured to choose our products.

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Product Features

  • Intelligent Temperature Sensing: dual temperature probe, accurate temperature control. For different Canister Filter needs, we have prepared three different sizes of inlet and outlet heads in the box.
  • Safe Over-temperature Protection:Aquarium External Heater has two temperature sensors, one at the heater inlet and the other at the outlet. When the water temperature exceeds 34 C, stop heating and prevent boiling fish.keeping you pet fish stay in a healthy and safety environment.
  • Leading Temperature Control System: external electronic theromstat, it has LED display that clearly shows you the temperature setting in either celsius, only need a light glance, you can know the current water temperature.
  • Aquarium External Heater Temperature Range:Perfect aquarium external heater. Heater's temperature control system uses advanced STM8 chip, precise temperature adjustment from 20 C to 35 C.

Aquarium external heater temperature range:perfect aquarium external heater. heater's temperature control system uses advanced stm8 chip, precise temperature adjustment from 20 c to 35 c. Leading temperature control system: external electronic theromstat, it has led display that clearly shows you the temperature setting in either celsius, only need a light glance, you can know the current water temperature. Safe over-temperature protection:aquarium external heater has two temperature sensors, one at the heater inlet and the other at the outlet. when the water temperature exceeds 34 c, stop heating and prevent boiling fish.keeping you pet fish stay in a healthy and safety environment. Intelligent temperature sensing: dual temperature probe, accurate temperature control. for different canister filter needs, we have prepared three different sizes of inlet and outlet heads in the box.

7
9.5
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AKL Aquarium Heater, 500W/300W Adjustable External Inline Heater Fish Tank Canister Filter Tank Fish LED Display Overheating Protection Adjustable 12.2
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AKL Aquarium Heater

500W/300W Adjustable External Inline Heater Fish Tank Canister Filter Tank Fish LED Display Overheating Protection Adjustable 12.2"X 2"X 3.5", 500w

by AKL
What We like

High Quality: The shell is made of high temperature resistant ABS material without deformation,no softening,and internal ceramic heating body, which effectively prevents damage caused by fish and turtles. Let you rest assured to choose our products.

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Product Features

  • Aquarium External Heater Temperature Range:Perfect aquarium external heater. Heater's temperature control system uses advanced STM8 chip, precise temperature adjustment from 20 C to 35 C.
  • Leading Temperature Control System: external electronic theromstat, it has LED display that clearly shows you the temperature setting in either celsius, only need a light glance, you can know the current water temperature.
  • Safe Over-temperature Protection:Aquarium External Heater has two temperature sensors, one at the heater inlet and the other at the outlet. When the water temperature exceeds 34 C, stop heating and prevent boiling fish.keeping you pet fish stay in a healthy and safety environment.
  • Intelligent Temperature Sensing: dual temperature probe, accurate temperature control. For different Canister Filter needs, we have prepared three different sizes of inlet and outlet heads in the box.

Safe over-temperature protection:aquarium external heater has two temperature sensors, one at the heater inlet and the other at the outlet. when the water temperature exceeds 34 c, stop heating and prevent boiling fish.keeping you pet fish stay in a healthy and safety environment. Aquarium external heater temperature range:perfect aquarium external heater. heater's temperature control system uses advanced stm8 chip, precise temperature adjustment from 20 c to 35 c. Leading temperature control system: external electronic theromstat, it has led display that clearly shows you the temperature setting in either celsius, only need a light glance, you can know the current water temperature. Intelligent temperature sensing: dual temperature probe, accurate temperature control. for different canister filter needs, we have prepared three different sizes of inlet and outlet heads in the box.

8
9.4
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Simple Deluxe 1056 GPH Submersible Pump with 15' Cord, Water Pump for Fish Tank, Hydroponics, Aquaponics, Fountains, Ponds, Statuary, Aquariums & Inline
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Simple Deluxe 1056 GPH Submersible Pump with 15' Cord

Water Pump for Fish Tank, Hydroponics, Aquaponics, Fountains, Ponds, Statuary, Aquariums & Inline

by Simple Deluxe
What We like

Versatile - Circulate and aerate the water, making it more attractive to your fish or turtles. This submersible pump is perfect for aquarium, fountains, spout and hydroponic systems

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Product Features

  • 3 size threaded nozzles. 83 inch, 1.06 inch, 1.34 inch) Please note inline and outlet nozzles has different thread size. The thicker ones are for Inline use and the thinner ones are for outlet
  • Durable quality - Our polished aluminum oxide ceramic impeller shaft insures long pump life because it is non-corrodible and more than 3 times as hard as stainless steel. Epoxy resin encasement of key internal motor components prevents unwanted conductivity and corrosion of metal parts
  • #1 has pre-filter included - Pre-filter on the intake prevents debris from entering your pump and extend the life of your pump, max flow rate: 1056 GPH, max lift height 12 feet
  • Safe & easy - Safe for fish with no exposed copper. Easy to clean with no tools required to disassemble and clean filter/impeller. Our electric cord is waterproof, 18# gauge copper wire, molded plug with ground, heavy duty flexible vinyl jacket, resists oil/grease/moisture, abrasion resistant and very good flexibility at all temperatures

Safe & easy - safe for fish with no exposed copper. easy to clean with no tools required to disassemble and clean filter/impeller. our electric cord is waterproof, 18# gauge copper wire, molded plug with ground, heavy duty flexible vinyl jacket, resists oil/grease/moisture, abrasion resistant and very good flexibility at all temperatures 3 size threaded nozzles. 83 inch, 1.06 inch, 1.34 inch) please note inline and outlet nozzles has different thread size. the thicker ones are for inline use and the thinner ones are for outlet Durable quality - our polished aluminum oxide ceramic impeller shaft insures long pump life because it is non-corrodible and more than 3 times as hard as stainless steel. epoxy resin encasement of key internal motor components prevents unwanted conductivity and corrosion of metal parts #1 has pre-filter included - pre-filter on the intake prevents debris from entering your pump and extend the life of your pump, max flow rate: 1056 gph, max lift height 12 feet

9
9.2
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External Aquarium Heater Inline Canister Filter Tank Fish LCD Display Overheating Protection Adjustable, 12
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FEENGG External Aquarium Heater Inline Canister Filter Tank Fish LCD Display Overheating Protection Adjustable

12"x 2"x 3.5", 500w

by FEENGG
What We like

[High Quality]: Effectively prevents the shell from being damaged, deformed or softened by fish or turtles, without internal ceramic heating element, formed from high heat resistant ABS material.

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Product Features

  • [Intelligent Temperature Detection]: Dual temperature probe, accurate temperature control ..
  • [Temperature range]: Accurate temperature adjustment from 68 to 93 ..
  • [Display Design LED]: External electronic theromstat, it clearly shows one of your Celsius temperature settings LED display ..
  • [Overtemperature protection]: Water temperature is 34 C, prevent if the stop heating is exceeded, fish.keeping boiling your pet's fish staying in a healthy and safe environment ..

[overtemperature protection]: water temperature is 34 c, prevent if the stop heating is exceeded, fish.keeping boiling your pet's fish staying in a healthy and safe environment .. [intelligent temperature detection]: dual temperature probe, accurate temperature control .. [display design led]: external electronic theromstat, it clearly shows one of your celsius temperature settings led display .. [temperature range]: accurate temperature adjustment from 68 to 93 ..

10
9.2
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VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller
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VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller

by VIVOSUN
What We like

EASY TO SETUP: 300W submersible heater is suitable for 31.7 to 66 gallons aquariums; Vertical or horizontal installation and ensure the device is fully submerged underwater

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Product Features

  • PRECISE TEMPERATURE CONTROL: An intelligent IC chip controls the heater temperature, making the temperature difference within 1/2F; Provide the best living environment for your aquatic creatures
  • WIDE COMPATIBILITY: The fish tank aquarium heater has CE, FCC and ROHS certification and the plug has a UL certification; Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems
  • EXTERNAL TEMPERATURE CONTROLLER: The touch-button controller adjusts the temperature without getting your hands wet. Its easy to control the temp from 68/20C to 94/34C; Check the size chart to find your desired fish tank heater

Precise temperature control: an intelligent ic chip controls the heater temperature, making the temperature difference within 1/2f; provide the best living environment for your aquatic creatures Wide compatibility: the fish tank aquarium heater has ce, fcc and rohs certification and the plug has a ul certification; applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems External temperature controller: the touch-button controller adjusts the temperature without getting your hands wet. its easy to control the temp from 68/20c to 94/34c; check the size chart to find your desired fish tank heater

11
9.1
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FREESEA 100W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish, Frogs, Newts & Turtles
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FREESEA 100W Mini Aquarium Fish Tank Heater with LED Temperature Display for Betta Fish

Frogs, Newts & Turtles

by FREESEA
What We like

Touch button, cyclic adjust temperature , easy to use and Safety.

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Product Features

  • Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating.
  • Temperature range: 59F~94F, display Fahrenheit F, this heater is designed for10~20 gallons tank.
  • Note:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.

Note:this heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water. automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. temperature range: 59f~94f, display fahrenheit f, this heater is designed for10~20 gallons tank.

12
9
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High Power Fish Tank Heater 1000w, Made Of Environmentally Friendly Silicone Plastic, With Infrared Remote Control And Intelligent Led Temperature Aquarium Heater, For Water Thermostat, 455x36x24mm
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FAEIO High Power Fish Tank Heater 1000w

Made Of Environmentally Friendly Silicone Plastic, With Infrared Remote Control And Intelligent Led Temperature Aquarium Heater, For Water Thermostat, 455x36x24mm

by FAEIO Aquarium Heater
What We like

Smart Bionics: Simulate strain of day and night water temperature, allowing fish to return to the natural rhythm of life.

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Product Features

  • Off water and power: inductive off-water power testing technology, no probe, no corrosion, no leakage of electricity.
  • 0.1 degrees C accurate temperature control: intelligent and precise lift temperature, give the fish want the temperature.
  • High-quality components: the use of military precision and reliable technology to ensure safe operation for longer periods of time.
  • Carbon fiber heating body: energy-efficient carbon fiber vacuum far infrared heating technology with photosynthesis.

0.1 degrees c accurate temperature control: intelligent and precise lift temperature, give the fish want the temperature. Off water and power: inductive off-water power testing technology, no probe, no corrosion, no leakage of electricity. Carbon fiber heating body: energy-efficient carbon fiber vacuum far infrared heating technology with photosynthesis. High-quality components: the use of military precision and reliable technology to ensure safe operation for longer periods of time.

13
8.9
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Aquarium Heater, Submersible Fish Tank Heater 500W with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 70-80 Gallon Tank
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SeaELF Aquarium Heater

Submersible Fish Tank Heater 500W with Titanium Tube Thermostat System LED Digital Play and Remote Controller for 70-80 Gallon Tank

by SeaELF
What We like

🐠 Remote Controller & LCD Display 🐠: Update design with remote controller and LCD display , easy to setting and adjusting the aquarium heaters temperature by remote controller and easy know the tanks temperature by the LCD display, no need to buy extra temperature and wet your hands to setting the temperature again. (the remote is non waterproof, please keep it away from water).

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Product Features

  • 🐠 Premium Titanium Alloy Material & pinpoint probe 🐠: The seaELF aquarium heater made by premium titanium alloy, shatterproof, anti explosion, anti cracking and anti-corrosion than quartz glass aquarium heater and stainless steel tank heater, good for fresh water and sea water. The precise sensing probe on the top of heater for pinpoint temperature and double seal design to ensure safe operation. The heating tube with CE, RoHS, FC approved and the plug with UL approved.
  • 🐠 Intelligent Thermostat Heating System 🐠This aquarium heater made with intelligent thermostat heating system, it will heating automatically once the water temperature is less than the setting temperature and stop heating once it reached the setting temperature. Keep the aquarium water in a same temperature environment to protect fishes, amphibians, turtles and so on.(Please install it near a strong water flow).
  • 🐠 Intelligent Overheating Protection & Lack-of Water Protection 🐠: With double sensing probe on the top, it will accurate detect the temperature and water, once overheating or the water cant cover the top of this aquarium heater, it will automatic power-off, prevent electric shock & burns and keep you and your fish safe. (E2,E8 display are mean overheating, please increase the water circulation when it happens)

🐠 intelligent overheating protection & lack-of water protection 🐠: with double sensing probe on the top, it will accurate detect the temperature and water, once overheating or the water cant cover the top of this aquarium heater, it will automatic power-off, prevent electric shock & burns and keep you and your fish safe. (e2,e8 display are mean overheating, please increase the water circulation when it happens) 🐠 intelligent thermostat heating system 🐠this aquarium heater made with intelligent thermostat heating system, it will heating automatically once the water temperature is less than the setting temperature and stop heating once it reached the setting temperature. keep the aquarium water in a same temperature environment to protect fishes, amphibians, turtles and so on.(please install it near a strong water flow). 🐠 premium titanium alloy material & pinpoint probe 🐠: the SeaELF aquarium heater made by premium titanium alloy, shatterproof, anti explosion, anti cracking and anti-corrosion than quartz glass aquarium heater and stainless steel tank heater, good for fresh water and sea water. the precise sensing probe on the top of heater for pinpoint temperature and double seal design to ensure safe operation. the heating tube with ce, rohs, fc approved and the plug with ul approved.

14
8.9
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Inkbird ITC-306A WiFi Temperature Controller, Wi-Fi Aquarium Thermostat Heater Controller 120V~1200W Temperature Control with Two Probes only for Heater Aquarium Breeding Reptiles Hatching
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Inkbird ITC-306A WiFi Temperature Controller

Wi-Fi Aquarium Thermostat Heater Controller 120V~1200W Temperature Control with Two Probes only for Heater Aquarium Breeding Reptiles Hatching

by Inkbird
What We like

Easy to use : Plug and Play. The 10A 1200w programmable and prewired aquarium thermostat is compatible with most kinds of heaters, no need to assemble the product yourself, just plug and play.

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Product Features

  • Continous Heating Alarm The heating time can be set according to your needs from 1 hour to 72 hours. The controller will alarm once the water can not be heated to the setting temperature within the specified time. The temperature setting range is 20.0~35.0/68.0~95.0 and the measure temperature range is -40~100/-40~212.
  • Dual Protection : The wifi temperature controller is equipped with 2 relays(current relay) to ensure that the power can be turned off under any abnormal circumstances, will protect your fish from being hurt by overheated water
  • Wifi & Free APP : Pair the aquarium temperature controller with your phone via 2.4GHz Wi-Fi, the device will alarm if there are exceptions. And all exceptions will be updated to the APP, the app will push notifications to remind you.(APP: InkbirdSmart)
  • Dual probe for safety :The aquarium heater controller will alarm once the temperature difference between 2 probes is more than 5(3), and the app will push a notification at the same time.To protect your fish in a more safet environment

Dual protection : the wifi temperature controller is equipped with 2 relays(current relay) to ensure that the power can be turned off under any abnormal circumstances, will protect your fish from being hurt by overheated water Wifi & free app : pair the aquarium temperature controller with your phone via 2.4ghz wi-fi, the device will alarm if there are exceptions. and all exceptions will be updated to the app, the app will push notifications to remind you.(app: Inkbirdsmart) Dual probe for safety :the aquarium heater controller will alarm once the temperature difference between 2 probes is more than 5(3), and the app will push a notification at the same time.to protect your fish in a more safet environment Continous heating alarm the heating time can be set according to your needs from 1 hour to 72 hours. the controller will alarm once the water can not be heated to the setting temperature within the specified time. the temperature setting range is 20.0~35.0/68.0~95.0 and the measure temperature range is -40~100/-40~212.

15
8.8
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Hydor ETH 300 In-Line External Aquarium Heater, 300w, 5/8
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Hydor ETH 300 In-Line External Aquarium Heater

300w, 5/8" hose

by Hydor USA, Inc.
What We like

Easy to use

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Product Features

  • 5/8 inch hose
  • For external use
  • Suitable for marine and tropical aquariums
  • High precision electronic temperature control

5/8 inch hose For external use High precision electronic temperature control Suitable for marine and tropical aquariums

16
8.8
SCORE
YCTECH Aquarium Heater for Fish Tankwith Intelligent LED Temperature Display for (50W Submersible)
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YCTECH Aquarium Heater for Fish Tankwith Intelligent LED Temperature Display for (50W Submersible)

by CHOSION
What We like

Temperature Range 15C~34C (59F~93F),it is suitable for fresh water and sea water fish tanks of 1-10 gallons , provide comfortable environment for your beloved tropical fish Submersible Use ONLY

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Product Features

  • Smart Temperature Control the micro chip will automatically keep the water in the fish tank at the temperature you set and keep it stable
  • Easy To Usepress the button of the thermostat to set the temperature,the temperature will changer within the cyclic temperature range ,just stop when you set it right
  • Power-Off Memory Function the aquarium heater will automatically remember the temperature you set before power off,you dont have to set the temperature every time

Power-off memory function the aquarium heater will automatically remember the temperature you set before power off,you dont have to set the temperature every time Easy to usepress the button of the thermostat to set the temperature,the temperature will changer within the cyclic temperature range ,just stop when you set it right smart temperature control the micro chip will automatically keep the water in the fish tank at the temperature you set and keep it stable

17
8.8
SCORE
Zoo Med Turtletherm Aquatic Turtle Heater 150W, Assorted, Model:690721
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Zoo Med Turtletherm Aquatic Turtle Heater 150W

Assorted, Model:690721

by ZOO MED
What We like

Item Package Width: 16.26

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Product Features

  • Item Package Length: 6.35
  • Preset thermostat controlled heater keeps up to 50 gallons of water at 78 degrees
  • Item Package Height: 28.45

Item package length: 6.35 Item package height: 28.45 Preset thermostat controlled heater keeps up to 50 gallons of water at 78 degrees

18
8.8
SCORE
FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer
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FREESEA 50 Watt Aquarium Submersible Betta Heater with Aquarium Submersible Thermometer

by FREESEA
What We like

Temperature range: 63F~95F , It is very easy to adjust the temperature you need, we also deliberately give each customer a free diving thermometer, you can observe the water temperature of the fish tank at any time.

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Product Features

  • 50 Watt Heater: This Aquarium heater is suitable for 5 to 15 gallons aquariums, Length - 6.8 inch,voltage 110-120V, power cord is 4.0 ft, please choose the right wattage aquarium heater according to our size chart.
  • Intelligent temperature controlAutomatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. Furthermore, Automatic safety shut-off feature, and overheating protection.
  • Note: 1. 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. 2. Heater rod is suitable for people over 16 years of age. Children or minors should be under adult guidance or supervision.

Note: 1. 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. 2. heater rod is suitable for people over 16 years of age. children or minors should be under adult guidance or supervision. Intelligent temperature controlautomatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. furthermore, automatic safety shut-off feature, and overheating protection. 50 watt heater: this aquarium heater is suitable for 5 to 15 gallons aquariums, length - 6.8 inch,voltage 110-120v, power cord is 4.0 ft, please choose the right wattage aquarium heater according to our size chart.

19
8.8
SCORE
FREESEA 660 GPH 40W Submersible Water Pump for Pond Aquarium Hydroponics Fish Tank Fountain Waterfall
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FREESEA 660 GPH 40W Submersible Water Pump for Pond Aquarium Hydroponics Fish Tank Fountain Waterfall

by FREESEA
What We like

Lift height is a max height the water goes up, after connecting the water pipe to the nozzle (Make sure the joint sealed securely and tightly) SUCTION CUP and 5.9Ft POWER CORD. Long enough cord for easy installation.

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Product Features

  • Smart control, dry running automaticly cut power.(Principle:Dry running opreation will increase motor temperature, then the pump will automatically shut down, but the motor will restart working after the temperature goes down. Therefore, when the motor automatically turned off we need to cut off power immediately. This function can effectively reduce the damage caused by dry running.
  • With bottom suction trainer,100% submersible.
  • Maximum flow rate: 660GPH STRONG POWER and HIGH LIFT. Max Lift Height: 8.2 ft. 40W high efficiency motor for energy saving.

Maximum flow rate: 660gph strong power and high lift. max lift height: 8.2 ft. 40w high efficiency motor for energy saving. Smart control, dry running automaticly cut power.(principle:dry running opreation will increase motor temperature, then the pump will automatically shut down, but the motor will restart working after the temperature goes down. therefore, when the motor automatically turned off we need to cut off power immediately. this function can effectively reduce the damage caused by dry running. With bottom suction trainer,100% submersible.

20
8.7
SCORE
hygger Mini Betta Tank Heater for Small Fish Bowl 50W Aquarium Heater with LED Digital Display 6-9 Gallon Tank 68°F to 94°F
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hygger Mini Betta Tank Heater for Small Fish Bowl 50W Aquarium Heater with LED Digital Display 6-9 Gallon Tank 68°F to 94°F

by hygger
What We like

Build-in thermostat on the cord, this small fish heater can be easily adjusted temperature without getting your hands wet. The precision temperature control allows you to set the temperature between 68 and 94 degrees F in 2-degree increments

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Product Features

  • Bright, clear LCD display that shows real-time water temperature over guesswork is a big bonous, display in either Celsius or Fahrenheit, depending on your choice. Red indicator light indicates the heater is working and turns into blue once it reach to desired temperature
  • Betta Heater auto shut off when over-heats temperature over 97 degree Fahrenheit and flashing error code "E2". The nylon integrated fish guard prevents fish from scald and punching. Carbon heating element is more stable and safer than tranditional coil material
  • Fully-submersible heater by Hygger is easy to install with included suction cups and slim profile, super tiny size just measures 3.5 in x 2 in x 0.8 in, can easily be wedged in a corner, great for small or partially filled tank
  • 50 watt aquarium heater is ideal for 6-9 gallon fish bowls, small freshwater and saltwater aquariums, betta tank, snail tank and turtle tank

Fully-submersible heater by hygger is easy to install with included suction cups and slim profile, super tiny size just measures 3.5 in x 2 in x 0.8 in, can easily be wedged in a corner, great for small or partially filled tank Bright, clear lcd display that shows real-time water temperature over guesswork is a big bonous, display in either celsius or fahrenheit, depending on your choice. red indicator light indicates the heater is working and turns into blue once it reach to desired temperature Betta heater auto shut off when over-heats temperature over 97 degree fahrenheit and flashing error code "e2". the nylon integrated fish guard prevents fish from scald and punching. carbon heating element is more stable and safer than tranditional coil material 50 watt aquarium heater is ideal for 6-9 gallon fish bowls, small freshwater and saltwater aquariums, betta tank, snail tank and turtle tank

21
8.7
SCORE
Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump
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Orlushy Submersible Aquarium Heater 300W-Fish Tahk Heater with Adjust Knob Thermostat 2 Suction Cups Suitable for Marine Reef Fish Tank Sump

by Nova pet supplies co.LTD
What We like

Precise temperature dial from 68 to 89F allows for complete control of aquatic climate within a 1-degree difference.

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Product Features

  • It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals.
  • Explosion Proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.
  • 300W aquarium heater is suitable for 50 to 80 gallons aquariums,Length - 11 inch,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.
  • Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached

It shows an area to adjust the temperature. it's not exactly accurate but it turns easy and can be adjusted at small intervals. Explosion proof: 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank. Adjustable aquarium fish tank water heater sensitive and reliable thermostat maintains uniform temperature. automatic shut off when the temperature is reached 300w aquarium heater is suitable for 50 to 80 gallons aquariums,length - 11 inch,voltage 110-120v, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.

22
8.6
SCORE
Farm Innovators Model W-449 Submergible Bucket Heater with Attached Guard, 1,000-Watt
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Farm Innovators Model W-449 Submergible Bucket Heater with Attached Guard

1, 000-Watt

by Farm Innovators
What We like

Submergible bucket heater is designed to heat 5 gallons of water up to 110F

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Product Features

  • Designed to heat 5 gallons of water up to 110 degrees
  • Safe in plastic buckets
  • 1,000 Watts
  • 1,000 Watts
  • Thermostatically controlled to regulate the water temperature between 85 and 110 degrees

Built-in thermostatic control maintains water temperature between 85f and 110f Submergible bucket heater is designed to heat 5 gallons of water up to 110f Built-in thermostatic control maintains water temperature between 85f and 110f Safe in plastic buckets 1,000 watts Thermostatically controlled to regulate the water temperature between 85 and 110 degrees Made in the usa Safe in plastic buckets Designed to heat 5 gallons of water up to 110 degrees 1,000 watts

23
7.7
SCORE
Backyard Flock in-line Strainer Water Filter, 100 Mesh (140 Micron) Screen Element, ½ Female in/Out, PVC Fittings Included! (Made in USA) (Short Filter)
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Backyard Flock in-line Strainer Water Filter

100 Mesh (140 Micron) Screen Element, ½ Female in/Out, PVC Fittings Included! (Made in USA) (Short Filter)

by Backyard Flock, LLC
What We like

The removable stainless steel mesh filter screen cartridge is easy to clean

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Product Features

  • Available with both short and long Filter Elements
  • 1/2" PVC input and output adapters are included for connection to standard 1/2" sch. 40 PVC water lines
  • Help keep cups and nipples leak-free by removing sediment and debris from the water
  • Quality made in USA!

Available with both short and long filter elements Help keep cups and nipples leak-free by removing sediment and debris from the water 1/2" pvc input and output adapters are included for connection to standard 1/2" sch. 40 pvc water lines Quality made in usa!

24
7.7
SCORE
OASE Indoor Aquatics Biomaster Thermo 250
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OASE Indoor Aquatics Biomaster Thermo 250

by OASE
What We like

The built-in heater provides your aquarium with Precise and uniform temperature levels while the product integration delivers unobstructed views of your Aquarium

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Product Features

  • 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
  • The Bio master thermos 250 has an integrated heater in compact Filter design

Hel-x, suspended filter media, creates the optimal surface area for beneficial bacteria growth External filter operates quietly to circulate and filter your aquarium water The bio master thermos 250 has an integrated heater in compact filter design Includes 4-stage filtration: biological, mechanical, chemical, and prefiltration

25
7.3
SCORE
Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 50 Gallon
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Uniclife 200 Watt Aquarium Heater with Thermometer

Fish Tanks Heater of 50 Gallon

by Uniclife
What We like

Measurement 11.2" x 1" (L x D). Only allowing for vertical or horizontal installment.

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Product Features

  • Adjust temperature by top red knob, range 68F-93F. Tube temperature displayed.
  • Can be used in both freshwater and saltwater, applicable for 25-50 gallon fish tanks.
  • Package include aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1.

Can be used in both freshwater and saltwater, applicable for 25-50 gallon fish tanks. Package include aquarium heater x 1; suction cups x 3; stick-on thermometer x 1. Adjust temperature by top red knob, range 68f-93f. tube temperature displayed.

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