Top 8 Best Small Fish Tank Heater 2 Gallon

of June 2024
1
Best ChoiceBest Choice
Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt
Tetra
Tetra

10
Exceptional
Checkmark
View on Amazon
2
Best ValueBest Value
ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip
ZEETOON
ZEETOON

9.9
Exceptional
Checkmark
View on Amazon
3
DaToo
DaToo

9.8
Exceptional
Checkmark
View on Amazon
4
Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 3 Gallon Aquariums, 7.5 Watts
Aqueon
Aqueon

9.7
Exceptional
Checkmark
View on Amazon
5
PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks
PULACO
PULACO

9.6
Exceptional
Checkmark
View on Amazon
6
YukiHalu Small Submersible Aquarium Heater, Mini Fish Tank Heater 25W 50W 100W with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20 Gallons (25 Watts)
YukiHalu
YukiHalu

9.5
Excellent
Checkmark
View on Amazon
7
FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display
FREESEA
FREESEA

9.4
Excellent
Checkmark
View on Amazon
8
SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Anti-Explosion/Energy-efficient Water Temp Controller
SZELAM
SZELAM

9.3
Excellent
Checkmark
View on Amazon
9
DaToo Small Aquarium Heater 50W Mini Fish Tank Heater 50 Watt Submersible with LED Temperature Display
DaToo
DaToo

9.2
Excellent
Checkmark
View on Amazon
10
FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer
FREESEA
FREESEA

9.1
Excellent
Checkmark
View on Amazon

About Small Fish Tank Heater 2 Gallon

Click here to learn more about these products.

Tetra HT Submersible Aquarium Heater With Electronic Thermostat, 50-Watt

All Tetra HT heaters have indicator lights to let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached.. The HT10 uses a built in electronic theromstat to automatically maintain water at 78 F which is ideal for most tropical fish. No adjustment is requried.. Ideal for aquariums between 2 to 10 gallons with hoods or glass canopies. The HT heater is fully submersbile and can be installed vertically or horizontally. It's small footprint makes it easy to conceal behind plants or other dcor.. Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium..

ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on Thermometer Strip

73F-82F Auto Thermostatic ZEETOON Fish Tank Heater Betta Fish's Favorite Gifts, Suitable for all kinds of aquarium pets, Betta, tropical fish, goldfish, ornamental fish and turtles, can work in both brine and fresh water. Maintaining pleasant water temperatures in all seasons for your little fishes and turtles and will be no longer fear the winter 1 Stick-on Thermometer Strip, Eliminate your worry of not confirming the heating temperature. Mini Sized More Fit Specific perfect for mini aquarium under 5 gal20L. Fully submersible compact betta fish heater for all shapes and materials fish tanks 1-2-3-4-5 gallon, whether it is glass or plastic, all can be used. ZEETOON Mini Heater provide a constant warm for your pet fish to stay healthy, suitable both for fresh and salt water. intelligent temperature regulate, very easy to use.. Automatic For Energy-saving Adopted intelligent circuit board, with a precise sensing probe and thermostat heating system. Unlike other conventional heaters, need you to manually adjust the temperature. Our Smart Aquarium Heater just plug the power cable then it will work. It works will automatically turn onoff to achieve the setting temperature constantly and stably 73F-82F25-28, Energy-saving life, you will be at your fingertips. Smart For Your Safety ZEETOON Mini Heater different from a manually adjusted heater. Our heater automatic temperature regulate on 73F-82F25-28 , no need to set. Prevent electric shock and burns. Keep you and your family safe. Position it near a strong water flow for whole aquarium are in the same temperature. The outlet of filter is ideal. When there is a heater in the fish thak, do not put your hand in to the water. High Quality Made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion cracking, it is scald-preventing for your pets and safe operation for you, safer and more stable to use. We provide 1 year quality assurance for this product, we will provide replacement items for any product problems within 1 year after your purchase it..

DaToo Mini Aquarium Heater 25W Small Fish Tank Heater 25 Watt with Free Thermometer Sticker

25W Betta Aquarium Heater Creating and maintaining a perfect and comfortable water temperature for our cute fish is not easy, which requires a lot of effort. Now DaToo MINI 25W Aquarium Heater can help you make this easier. Precise and constant temperature, no need to set, keep the temperature of fish habitat in the best state at all times. You will find it very easy and happy to take care of pet fish. Precise And Constant Temperature No need to set, DaToo Fish Tank Heater will automatically keep the water temperature of the fish habitat at 78. This temperature is very suitable for betta and most tropical fish. When the water temperature is lower than 78, the heater starts to heat and the red light is on. When the temperature reaches 78, the heater stops heating and the green light is on. DaToo will always maintain this comfortable temperature for your beloved fish. The Smallest 25W Betta Heater For most fish lovers who have small fish tanks of 1 to 5 gallons, a small heater means more space for fish. This is the smallest 25W aquarium heater on the market, only 0.2 inches. No matter how small your fish tank is, it can be used perfectly in it, and you can't even find it. Very MINI. Safe And Durable Unlike traditional plastic seals, DaToo uses a rubber sealing layer, which ensures that DaToo has better sealing and safety performance, and will never leak electricity or water. Quartz glass material, explosion-proof and crack-proof, more sturdy and durable, without worrying about damage.. One Year Warranty Satisfaction Guarantee This heater is ideal for 1 to 6 gallon small glass or acrylic desktop aquariums. When in use, it needs to be submerged 100 in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence.

Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 3 Gallon Aquariums, 7.5 Watts

Fully submersible. Vertical or horizontal placement using suction cups that mount to the bottom or side wall of tank. Quick and easy installation. Shatterproof construction. Can be used with glass or acrylic enclosures. Note Do NOT operate or leave product plugged in when it is outside of water. Warms aquarium water up to 6F above ambient room temperature. 7.5 Watt works best for 1 to 3 gallon fish tanks.

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

Betta HeaterThis Fish Tank Heater should be 100 submerged into water, Ideal for small glass or acrylic desktop aquariums up 1 to 6 Gallons, not suitable for less than 1 gallon tank.. Quick and Easy InstallationVertical or horizontal placement using, Aquarium heater automatic temperature control 78, no need to adjust temperature, easy to operate, fishes happy.. How it Works Plug in, red light turns on, the heater will start working until water temperature up to 78F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78F. Accuracy3F. Note Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. It is better to install a water pump to help water circulating while heating.. SATISFACTION GUARANTEEDOur Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..

YukiHalu Small Submersible Aquarium Heater, Mini Fish Tank Heater 25W 50W 100W with Built-in Thermometer, External Temperature Controller, LED Display, Used for 5/10/20 Gallons (25 Watts)

Super Mini Size, 25Watt for 1-5 Gallons YukiHalu 25W aquarium heater is designed for 1-5 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.. Automatic Constant Temperature with 1AccuracyThanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down 49 electricity bill for you.. Overheating Protection, Out of Water ProtectionThe power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty.. External Temperature Controller, Never Wet Your HandsUse an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install.. Built-in Thermometer, Power-off Memory FunctionDual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium thermometer. The heater will remember the temperature setting, no need to reset the temperature after power off..

FREESEA 50W Mini Aquarium Heater Fish Tank Submersible Heater with LED Temperature Display

Temperature range 59F94F, display Fahrenheit F, this heater is designed for110 gallons tank.. 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.. Touch button, cyclic adjust temperature , easy to use and Safety.. Notethis heater is 100 submersible use only, during its heating time, heater must be 100 submerged into the water.. SATISFACTION GUARANTEEDGain the confidence to go hard with us Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..

SZELAM 25W Smart Mini Aquarium Heater, Betta Fish Tank Heater Thermostat Warmer Submersible Anti-Explosion/Energy-efficient Water Temp Controller

Smart Control- Adopted intelligent circuit board, with a precise temperature sensing probe and constant temperature heating system. No thermometer required, no more operations Unlike other conventional heaters, need you to manually adjust the temperature. Our Smart Aquarium Heater just plug the power cable then it will work. It works in intermittent operation mode and will automatically turn onoff to achieve the setting temperature constantly and stably, Energy-efficient.. Easier to Use- SZELAM Mini Heater different from a manually adjusted heater. Our heater automatic temperature regulate on 73F-82F25-28 , no need to set. Prevent electric shock and burns. Keep you and your family safe. Position it near a strong water flow for whole aquarium are in the same temperature. The outlet of filter is ideal.. High Quality- Made by heat resistant ABS housing, sandy quartz filler and MCH Alumina ceramic heating system, anti explosion cracking, it is scald-preventing for your pets and safe operation for you, safer and more stable to use.. Mini Sized- Fully submersible compact betta fish heater Gift with 2PCS Aquarium Decor Artificial Plant. Specific perfect for mini aquarium under 5 gal20L. SZELAM Mini Heater provide a constant warm for your pet fish to stay healthy, suitable both for fresh and salt water.. Quality Assurance- This product have certificated by CE, ROHS, FCC certifications. We provide 1 year quality assurance for this product, we will provide replacement items for any product problems within 90 days after your purchase it..

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

DaToo 50W Small Aquarium Heater -- A warm water temperature can always bring happiness to the fish. They can freely play around in the water without worrying about the 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 happy.. Three-Point Temperature Control System -- DaToo creatively uses three temperature sensing points, which makes DaToo heater has more accurate and sensitive temperature. 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.. Sturdy And Durable -- High strength ABS shell, no fear of any external force damage and chemical corrosion, high temperature resistant, longer service life. Thicker quartz glass, explosion-proof and crack-proof, safer and more durable, excellent heat transfer rate, which enables DaToo aquarium heaters to quickly fill every corner of your fish tank with warmth. Convenient Temperature Display Adjustment -- Real-time temperature display, DaToo heater can accurately display real-time water temperature, no need to buy an extra thermometer, save you money. External temperature controller, just press it gently outside the fish tank, you can get the temperature you want, will not scare your cute fish. Very convenient. One Year Warranty Satisfaction Guarantee This is a 50W small size heater, ideal for 210 gallon aquariums. Suitable for fresh water and salt water. When in use, it needs to be submerged 100 in water. We provide one year warranty and 24 hours professional customer service. Buy With Confidence.

FREESEA 25 Watt Aquarium Betta Fish Tank Heater with Aquarium Submersible Thermometer

25 Watt Heater This Aquarium heater is suitable for 1 to 5 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.. Temperature range 63F95F , 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.. Intelligent temperature control 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. 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.. SATISFACTION GUARANTEED Gain the confidence to go hard with us Our Aquarium Heater is built with durability in mind and safety for every design, In the remote possibility that youre not satisfied with our product, just contact us, and we will gladly give you a new Aquarium Heater replacement. 12 Month Warranty and 24 Hour Professional After-sales Service..