Home » Reviews » Top 12 Best Diy Aquarium Heaters 2022

Top 12 Best Diy Aquarium Heaters 2022

Last update on 2022-05-08 / Affiliate links / Images from Amazon Product Advertising API

1. Hygger Mini Inline Quartz Glass Aquarium Heater With External Controller, Adjustable Submersible Betta Fish Tank Thermostat 50W/100W

    diy aquarium heaters Hygger Mini Inline Quartz Glass Aquarium Heater with External Controller, Adjustable Submersible Betta Fish Tank Thermostat 50W/100W

    2. PULACO 25W Small Aquarium Betta Heater With Free Thermometer Strip, Under 6 Gallon Fish Tanks

    • ★[quick and easy installation]: vertical or horizontal placement, the aquarium heater automatically controls the temperature of 78°f, no need to adjust the temperature, simple operation, and salivating.
    • ★[guaranteed satisfaction] our aquarium heaters are designed with durability and safety in mind.if you are not satisfied with our products, please contact us, we are happy to replace you with a new aquarium heater.12 months warranty and 24 hours professional after-sales service.
    • ★【note】: when the water tank is full of water, please do not operate or plug the product into the power source. the heater should be completely immersed in water.it is best to install a water pump to help the water circulate when heating.
    • ★[working principle]: plug in the power, the red light is on, and the heater starts to work until the water temperature reaches 78°f, the red light is off, and the green light is on. the heater stops working and maintains a constant temperature of 78°f.accuracy: ±3°f
    • ★【betta fish heater】this fish tank heater should be 100% immersed in water, very suitable for small glass or acrylic tabletop aquariums of 1 to 6 gallons, not suitable for tanks smaller than 1 gallon.

    diy aquarium heaters PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks

    3. VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters With Intelligent LED Temperature Display And External Temperature Controller

    • easy to set up: 300w submersible heater is suitable for aquariums from 31.7 to 66 gallons; installed vertically or horizontally to ensure that the equipment is completely immersed in the water to provide the best living environment for your aquatic organisms
    • safety assurance: adopt ip68,the highest waterproof level, the titanium tube adopts explosion-proof and anti-corrosion engineering, making this diving fish tank heater more resistant to damage and heat than traditional glass heaters while heating; it has built-in overheating and water shortage protection
    • external temperaturecontroller: touch the button controller to adjust the temperature without wetting your hands; the temperature is easy to control from 68℉/20°c to 94℉/34°c; check the size table to find the fish tank heater you want
    • extensive compatibility: fish tank aquarium heaters have ce, fcc, rohs certification, plugs have ul certification; compatible with freshwater and marine aquariums, aquaculture, glass containers and hydroponic systems

    diy aquarium heaters VIVOSUN 300W Aquarium Heater Submersible Titanium Fish Tank Heaters with Intelligent LED Temperature Display and External Temperature Controller

    4. Hygger 300W 500W Aquarium Heater With External Digital Temperature Controller Reef Saltwater Fish Tank Heater For 30-120 Gallon Tank

    • ♦️[built-in external ic temperature controller] ♦️easy to read blue led digital display real-time water temperature.when the fish heater starts to heat up, the heating indicator lights up in red and turns yellow when it reaches the set temperature.the temperature accuracy is +/- 1°f.
    • ♦️[500 watt aquariumheater]♦️ voltage 110-120v, suitable for water tank capacity 60-120 gallons of fresh water and seawater aquarium
    • ♦️[overheating protection]♦️ this fully submersible aquarium heater has memory function and overheating protection function.automatically shut down when overheating, reset when cooling down.
    • ♦️[made of high-quality quartz] ♦️ and double-sealed by a black protective cover. this fish tank heater has explosion-proof and anti-corrosion, and protects fish and other livestock from being washed.
    • ♦️[easy to set temperature] ♦️do not wet your hands.the temperature can be precisely adjusted within the range of 61 to 90°f (16°c ~ 32°c).just press the setting button to the desired temperature, it will flash for 3 seconds and start to work

    diy aquarium heaters hygger 300W 500W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-120 Gallon Tank

    5. EHEIM Jager Aquarium Thermostat Heater 100W ( Pack Of 1)

    • fully immersed in water
    • made of shock-resistant and shatter-resistant glass, suitable for fresh water or sea water
    • trutemp dial recalibrates the heater to achieve precisetemperature adjustment
    • thermal safety control can prevent drying up
    • when the water level is too low, it will automatically turn off
    • on/off indicator light, monitoring at a glance

    diy aquarium heaters EHEIM Jager Aquarium Thermostat Heater 100W ( Pack of 1)

    6. Aquarium Heater, 500W Submersible Fish Tank Heater With Dual Temp Displays And External Intelligent LED Digital Temperature Controller Show Instant Temperature And Set Temperature

    • 🐠 dual display remote control with built-in thermometer: seaelf aquarium heater controller will display the real-time temperature and set temperature of the water tank at the same time. independent thermostat, remote control to easily set and adjust the temperature of the aquarium heater, and the controller to easily control the temperature of the water tank. external temperature control equipment is safer and more convenient.
    • 🐠aquarium upgrade technology: with led digital display and ic smart chip, manage various functions of the heating rod, protect your fish (over temperature protection, memory temperature, precise temperature control, energy saving). nano intelligent temperature control, high-efficiency heat insulation heating element, precision temperature control system, can well calibrate and maintain the set temperature.
    • 🐠high-quality quartz material: the heating rod is made of explosion-proof quartz glass and high-temperature ceramics. thickened outer sheath, heat insulation and anti-collision material to prevent fish/turtle from scalding, double protection. there is nickel-chromium heating, fast heating speed, strong conductivity, and stable heating for your aquarium/fish tank.
    • 🐠 seaelf aquarium heater parameters: 300w heating rod length is 10.8 inches, voltage 110-120v/60hz, suitable for 26-53 gallon aquarium. the length of the controller power supply is 47 inches, and the heater power supply length is 67 inches, suitable for fresh water and sea water. the temperature range is 68~93°f.
    • 🐠intelligent constant temperature heating system: this aquarium heater adopts an intelligent constant temperature heating system. when the water temperature is lower than the set temperature, it will automatically heat up and stop heating when it reaches the set temperature. maintain an environment with the same water temperature in the aquarium to protect fish, amphibians, turtles, etc. (please install near a strong current).

    diy aquarium heaters Aquarium Heater, 500W Submersible Fish Tank Heater with Dual Temp Displays and External Intelligent LED Digital Temperature Controller Show Instant Temperature and Set Temperature

    7. Datoo Small Aquarium Heater 50W Mini Fish Tank Heater 50 Watt Submersible With LED Temperature Display

    • 🐠datoo 50w small aquarium heater-warm water temperature can always bring happiness to the fish. they can play freely in the water without worrying about catching cold, which will make them healthier and more energetic. datoo 50w aquarium heater, three-point temperature control system, sturdy and durable, real-time temperature display and external temperature adjustment, safe and easy to use, not only can easily create a warm underwater world for your fish, but also bring them happiness.
    • 🐠one-year warranty & satisfaction guarantee: this is a 50w small heater, very suitable for 2~10 gallon aquariums. suitable for fresh water and salt water. it must be 100% immersed in water when in use. we provide a one-year warranty and 24-hour professional customer service. buy with confidence!
    • 🐠sturdy and durable-high-strength abs shell, without fear of any external damage and chemical corrosion, high temperature resistance, longer service life. thick quartz glass, explosion-proof and crack-proof, safer and more durable, and excellent heat transfer rate, allowing datoo aquarium heaters to quickly fill every corner of your fish tank!
    • 🐠convenient temperature display & adjustment-real-time temperature display, datoo water heater can accurately display real-time water temperature, no need to buy additional thermometers, saving you money. with an external thermostat, you can reach the temperature you want with a light press on the outside of the fish tank without frightening your cute fish. very convenient!
    • 🐠three-point temperature control system-datoo creatively uses three temperature-sensing points to make the temperature of the datoo heater more accurate and sensitive. the accuracy is ±1℉. automatic constant temperature, when the water temperature reaches the set temperature, the heater will automatically stop heating. when the water temperature is lower than the set temperature, the heater will automatically start heating. no need to worry about overheating.

    diy aquarium heaters DaToo Small Aquarium Heater 50W Mini Fish Tank Heater 50 Watt Submersible with LED Temperature Display

    8. 1500W Immersion Heater, Gesail UL-Listed Bucket Water Heater With 304 Stainless-Steel Guard, Submersible Bucket Heater With Thermostat And Auto Shutoff, Perfect For Home Travel And Winter Job

    • high power: 1500w, 120v (must use 15a socket, this heater is 12.5a current) travel immersion water heater, high power fast heating, heating 5 gallons of water in a few minutes, portable immersion water heater will heat water continue to exceed 180 degrees fahrenheit and close to boiling (it cannot boil water). greatly save your time. note: when the water heater is working, people cannot be in the water.
    • ul-listed complies with american safety standards and has a 12-month warranty. the package includes: 1 pack of barrel heater + manual.
    • 304 stainless steel protective cover-the heavy-duty 304 stainless steel protective cover on the electric barrel heater prevents the heating element from directly contacting people or animals. the holes in the shield help release heat into the water faster.
    • thermostat and automatic shutdown-the middle stainless steel tube contains a thermal overload safety switch, when the water reaches a certain temperature (about 180-194 degrees fahrenheit), the water immersion heater can automatically cycle on and off to maintain water temperature. will not overheat and save power. dry burning will automatically cut off the power to avoid fire.
    • make sure this fits
      by entering your model number.
    • simple operation-immerse in the appropriate level of water. plug into any grounded wall outlet. check the power indicator on the plug to make sure that the bucket heater is turned on. then the portable water heater starts to work. warning: the power cord and handle cannot be immersed in water.

    diy aquarium heaters 1500W Immersion Heater, Gesail UL-Listed Bucket Water Heater with 304 Stainless-steel Guard, Submersible Bucket Heater with Thermostat and Auto Shutoff, Perfect for Home Travel and Winter Job

    9. PERSUPER Aquarium Heater, 100W/200W Submersible Heater Fish Tank 10-40 Gallon Heater For Betta Turtle Adjust Thermostat Water Heater 68 To 94°F Fast Heating Temperature Controller With LED Display

    • easy to use: submersible heaters are suitable for all types of aquariums; they are installed vertically or horizontally to ensure complete immersion of the equipment. the heating rod should be completely immersed in water and cannot be heated without water. when cleaning the fish tank or changing the water in the fish tank, please unplug the power supply.
    • precise temperature control: the aquarium heater uses smart ic chips. press and hold the temperature control button for 3 seconds to switch between fahrenheit and celsius, and easily control the temperature between 68°f/20°c and 94°f/34°c; this heater provides the best for your aquatic organisms living environment.
    • automatic constant temperature function: when the water temperature reaches the specified temperature, the heater automatically stops heating, and when the water temperature is lower than the set temperature, the heater automatically starts heating.
    • wide compatibility: aquarium heaters with ce, fcc and rohs certifications, with ul-certified plugs; suitable for freshwater and seawater aquariums, aquaculture, glass containers and aquaculture systems. 12 months warranty, 24 hours professional after-sales service.
    • safety guarantee: the highest waterproof grade ip68, titanium tube material, explosion-proof and anti-corrosion. when heating, it is more resistant to damage than traditional glass heaters, and has the function of overheating and water shortage protection. external thermostat: the temperature can be adjusted with the touch of a button controller, no need to wet your hands.

    diy aquarium heaters PERSUPER Aquarium Heater, 100W/200W Submersible Heater Fish Tank 10-40 Gallon Heater for Betta Turtle Adjust Thermostat Water Heater 68 to 94°F Fast Heating Temperature Controller with LED Display

    10. Hygger 500W 800W Titanium Steel Aquarium Heater For Marine And Fresh Water, Digital Submersible Heater With Built-In Thermometer, External LCD Display Thermostat Controller

    • [60 gallons or more aquarium energy-saving heater] voltage 110-120v/60hz, power 500w, american three-core plug, heater length 7.9 inches. both the heater power cord and the controller cord are 5 feet. 800w aquarium heater, suitable for 60-120 gallon aquariums. it takes about 3 minutes to quickly heat the aquarium heater to heat 3.5 gallons of water to 3°f. there are 2 heating modes: maximum heating, ecological heating, more energy-saving than general high-power heaters
    • [automatic intelligent thermostat] it is very easy to set the temperature on the controller, just press the setting button to select the temperature number from 70℉ to 94℉, only integer values ​​can be selected. when the water temperature reaches the set temperature, the heater stops heating, and when the water temperature is lower than the set temperature by 0.5°f, it will restart heating. when the set temperature is higher than the water temperature by 1°f or above, the heating mode is maximum heating, and when the water temperature is lower than the set temperature by 0.5-1°f, it is ecological heating
    • [controller dual digital display] & [heater] the digital display on the heater displays the current water temperature, and the controller digital display will display the current water temperature and the set temperature. when you want to check the water temperature, you can see the digital synchronization update on the heater or controller display
    • # [suitable for fresh water & ocean water] durable black titanium steel heating element, covered with a sturdy plastic shield, with a service life of 3 years or more. can be used for freshwater and saltwater fish tanks. the aquarium heater is equipped with a sturdy clamp, and there are 2 powerful suction cups on the clamp, which can be easily installed on the wall of the fish tank. the fish tank heater can be placed horizontally or vertically, but must be completely immersed in the water
    • [automatically shut down when overheated or not completely immersed] built-in thermometer and water line detector, when the water temperature exceeds 97f, the controller will automatically shut down to prevent overheating. when the water on the top of the heating element exceeds 0.8 inches, the controller will automatically shut down and stop heating and automatically restart heating after you put the heater under water ## # ##

    diy aquarium heaters hygger 500W 800W Titanium Steel Aquarium Heater for Marine and Fresh Water, Digital Submersible Heater with Built-in Thermometer, External LCD Display Thermostat Controller

    11. ZEETOON 300W 500W Aquarium Heater With 2 Artificial Plants 1 Stick-On Thermometer, Full Submersible Titanium Fish Tank Heater For Salt/Fresh Water 10-120 Gallon

    • tropical fish’s favorite gift: zeetoon large aquarium heater is suitable for all kinds of aquarium pets, fighting fish, tropical fish, goldfish, ornamental fish and turtles, and can be used in salt water and fresh water. your little fish and turtles, amphibians, corals will no longer be afraid of winter! add 2 kinds of beautiful artificial plants to your aquarium decoration to make their home color not boring. 1 sticky thermometer strip, avoiding the trouble of not being able to confirm the heating temperature
    • safety protection: external adjustable control, our fish tank heater can quickly adjust the temperature without your hands getting wet. prevent electric shock and burns. keep you and your family safe. the powerful safety system can automatically stop heating when the heater is short of water, and it will automatically shut down when it fails or overheats to prevent pets from being in a high temperature state. provide safety protection for your fish, amphibians and turtles. please make sure that the heater is completely immersed in water
    • 500w stable output power: full submersible digital constant temperature fish heater. it is especially suitable for large and medium-sized glass material aquariums up to 120 gallons/450 liters. plastic water tanks are not recommended. zeetoon intelligent temperature control heater provides constant warmth for your pet fish to maintain health and prevent fish from getting sick. we also recommend that it be placed close to the strong water flow, so that the entire aquarium is at the same temperature
    • high quality: zeetoon high-power aquarium heater is made of high-quality titanium alloy, corrosion-resistant and suitable for fresh water and sea water, ip68 waterproof, anti-explosion & cracking, anti-scalding for your pet, safe operation for you, safer and more stable use. we provide a 1-year quality guarantee for this product, and we will provide replacement items for any product problems within 1 year after your purchase
    • precise constant temperature: smart circuit board with precise induction probe and constant temperature heating system. the temperature of the heater can be manually adjusted between 20-34°c/±1°c (68°f-93°f/±2°f) to the temperature you need. its working principle will automatically turn on/off to achieve a stable temperature setting, and you can also change the fahrenheit/celsius display according to your reading habits. just press and hold the “settings” button for 6 seconds. energy-saving life, you will be at your fingertips!

    diy aquarium heaters ZEETOON 300W 500W Aquarium Heater with 2 Artificial Plants 1 Stick-on Thermometer, Full Submersible Titanium Fish Tank Heater for Salt/Fresh Water 10-120 Gallon

    12. Hygger 500W 300W Aquarium Heater For Fresh-Water Salt-Water, With External Digital Display Thermostat Controller And Thermometer, Auto Quartz Submersible Heater For Fish Tank

    • [led display controller] only display fahrenheit. to set the temperature, just press the button repeatedly until the screen displays the temperature you want, then stop and wait for the number to flash 3 times, the setting is complete, the led displays the current water temperature again
    • [fully submerged] heating tube and separate sensor the thermometer must be completely submerged under water at all times. before removing the heater or changing the water, please unplug it and wait for it to cool.
    • [long-term use] very durable and explosion-proof aquarium heater, which can be used in seawater and freshwater aquariums, and the service life can be 3 years or more. with low-profile black plastic shield, easy to hide in the water tank
    • [rapid heating] voltage 110-120v/60hz, power 300w, american three-core plug, heating rod length 7.7 inches . it quickly heats up the aquarium heater and it takes about 3 minutes to heat 3.5 gallons of water to 3℉
    • [automatically turn on and off] reliable diving aquarium heater. when the water temperature reaches the set temperature, it will stop heating. please note that the water temperature may rise by 1 degree fahrenheit due to residual heat. when the water temperature is cooled to 1°f lower than the set temperature, the water tank heater will restart heating

    diy aquarium heaters hygger 500W 300W Aquarium Heater for Fresh-Water Salt-Water, with External Digital Display Thermostat Controller and Thermometer, Auto Quartz Submersible Heater for Fish Tank