No matter what you are searching in the internet has a solution including the product you use in your day to day life. Do not worry, we have been keeping up with the latest trends and have compiled a list of the best Heater For 2 Gallon Tank s for you. Researching about the quality, price, and features of these Heater For 2 Gallon Tank s is important, so that you can make an informed decision. Among the product we researched, these are the best of them.
[aawp bestseller=”heater for 2 gallon tank ” template=”table” items=”7″]
Top 10 Best Heater For 2 Gallon Tank
Here are the top Heater For 2 Gallon Tank we picked, check their features.
1. Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks

- 【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 level and won’t take up mech place, easy to hide in small tank. Please fully submerged the heater vertically into water in fish tank, and horizontally into water in turtle tanks.
- 【Easy to Operate 】This aquarium heater is automatic constant temperature heating when the power is switched on. The preset temperature is 78℉. Accuracy is ±3℉. Stair shape heating that red light is on and heater starts to intermittently heat the water to the preset temp, saving energy and electricity. When green light is on, heater stops working and maintains constantly 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 heat-resistant ABS material that it won’t deform and melt under high temperature. The heating rod is made of nickel-chromium heating wire to faster heating rate, and non-corrosive quartz glass.
- 【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 heater for 10-20 minutes before taking it out to clean the fish tanks or change the water.
- 【Guaranteed Customer Service】 Orlushy fish tank heater is made with great safety and durability for use. We guarantee 1 -Year warranty. If there is any issue with our product, please contact us, and we would gladly offer you after-sales service.
Size | 25W |
2. 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 décor.
- Please read all label information upon delivery. DO NOT plug heater into an electrical outlet until it is placed inside the aquarium.
Size | 2-10 Gallon |
UnitCount | 1 |
3. PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉)

- ★【Betta Heater】This 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 Installation】:Vertical 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 78°F, and red light off, then the green light will turn on, heater stop working and keeping constant temperature 78°F. Accuracy:±3°F
- ★【Note】: Do not operate or leave product plugged in when your water tank is out of water, heater should be fully submerged into water. Please install a water pump or filter to help water circulating while heating.
- ★【SATISFACTION GUARANTEED】Our Aquarium Heater is built with durability in mind and safety for every design. In the remote possibility that you’re 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.
Size | 25w |
4. Kulife 5V/2A USB Powered 10W Super Mini Fish Tank Heater Adjustable Submersible Aquarium Heater Betta Heater Turtle Heater with LED Display Thermos

- SUPER MINI SIZE – This small aquarium heater is “thumb size” – only 1.97” (5cm) in length. Great for nano tanks / betta tanks. The innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93F, for up to 1 Gallon tanks.
- SAFE VOLTAGE 5V/2A USB POWER SUPPLY – This 5V/2A USB power supply is very safe. You are TOTALLY away from the worry of electric shock to your beloved fish! Use a 5V/2A power adapter, or a 5V/2A power bank to supply power to the heater. (Power adapter or power bank is not included)
- ACCURATE TEMPERATURE – Thanks to the intelligent inverter technology, with the in-built chips this thermostat keeps the heater at a constant temperature at an accuracy of 1F, much more accurate than the traditional knob-controlled heaters. The thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate.
- OVERHEATING PROTECTION – Full consideration of safety. This fish tank heater will stop working when the water temperature exceeds 97F. You are free from “cooking fish”! MEMORY FUNCTION – The last setting is stored in the thermostat. In case of a power cut, when the power recovers the heater will follow the last setting.
- MULTIPLE USES – This heater can be used for both fresh and marine water. It can be not only used as an aquarium heater, but can also work for turtles, pet fountains, and plant seedling.
Size | 10W(USB) |
5. YukiHalu Small Submersible Aquarium Heater, Mini Fish Tank Heater 25W 50W 100W 200W with Built-in Thermometer, External Temperature Controller, LED

- 【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 93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.
- 【Automatic Constant Temperature with 1℉Accuracy】Thanks 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 Protection】The 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 Hands】Use 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 Function】Dual 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.
Color | Black |
Size | 25 Watts |
6. 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 6°F above ambient room temperature
- 7.5 Watt works best for 1 to 3 gallon fish tanks
Color | Multicolored |
Size | 7.5 Watts |
UnitCount | 1 |
7. ZEETOON 25W Aquarium Heater, Automatic Thermostat Betta Fish Tank Heaters, Tortoise Small Water Warmer for 2-5 Gallon Container with 1 Stick-on The

- 73ºF-82ºF 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 gal/20L. 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 on/off to achieve the setting temperature constantly and stably 73ºF-82ºF(25℃-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 73ºF-82ºF(25℃-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.
Color | Black |
Size | 2 Count (Pack of 1) |
UnitCount | 1 |
8. Kulife Fumak Super Mini Aquarium Heater 20W Betta Heater Small Aquarium Heater Adjustable Submersible Fish Tank Heater Turtle Heater with Digital D

- SUPER MINI SIZE – This small aquarium heater is “thumb size” – only 2.36” (6cm) in length. Great for nano tanks / betta tanks. The innovative super mini size perfectly solves the headache of the fish keepers on the traditional heaters! Takes up less space, easy to hide, but in full power! Temperature range is 64-93F, for 2-4 Gallon tanks.
- ACCURATE TEMPERATURE – Thanks to the intelligent inverter technology, with the in-built chips this thermostat keeps the heater at a constant temperature at an accuracy of 1F, much more accurate than the traditional knob-controlled heaters. The thermostat shows 2 readings – the current temperature and the set temperature – very easy to operate.
- DRY RUN / OVERHEATING PROTECTION – Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level or when the water temperature exceeds 97F. You are free from “cooking fish”!
- MEMORY FUNCTION – The last setting is stored in the thermostat. In case of a power cut, when the power recovers the heater will follow the last setting.
- MULTIPLE USES – This heater can be used for both fresh and marine water. It can be not only used as an aquarium heater, but can also work for turtles, pet fountains, and plant seedling.
Size | 20W |
9. Fish Tank Aquarium Heater – Adjustable Temperature Submersible Thermostat Heater,25W/50W/100W/150W/200W/300W

- [PREMIUM SHATTERPROOF GLASS]Made of shatterproof glass and BPA-free plastic.Bnzaq aquarium heaters are fully submersible and safe for fish without any toxic substance producing.3 FREE artificial aquarium plants as ornament in your tank.
- [NO LONGER CHILL YOUR FISH]Automatically regulate and maintain water temperature,imitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water.
- [ADJUSTABLE TEMPERATURE]Temperature range: 68°F~93°F.25W heater:suitable for fish tank within 7 gallons,Length:7.8″.Easy to adjust temperature by the aquarium heater that suit more species of fish.
- [AUTOMATIC CONSTANT TEMPERATURE]When water temperature reaches set value,the indicator light will be OFF and the heater will automatically stop heating.The heater will automatically start heating and indicator light will be ON if water temperature is low.You could place heater horizontally or vertically.
- [ATTENTION]Please place the heater near place (filter or pump) of water flowing to keep more even water temperature.Unplug the heater 30 minutes early when changing the water for the fish tank.
Color | Multicolor |
10. Petbank 25W Aquarium Heater, with Temperature Remote Control and LED Temperature Display, Submersible Aquarium Heater with Thermometer Strip & Use

- 【Intelligent Temperature Control】The intelligent IC chip adjusts the temperature, the temperature accuracy is within ±2°F (±1°C), and it is automatically heated to the set temperature. It is suitable for ultra-low water level heating. It is specially designed for tortoise tanks and fish tanks.
- 【LED Digital Display & Temperature Remote Control】Cycle temperature adjustment 64-91℉; LED digital display and matching thermometer can observe the water temperature in real time; the temperature remote control allows you to avoid wet hands when adjusting the temperature.
- 【Safety & Explosion-Proof】The aquarium heater automatically cuts off power when leaving the water. It uses an explosion-proof quartz tube and is equipped with a plastic anti-collision sheath to prevent your aquatic organisms from being injured by touching the heating rod.
- 【Show Usage Time】Real-time monitoring of the life of the heating rod, which is convenient for you to replace the heating rod in time to ensure the continuous water temperature. The heating rod can be used continuously for up to 10,000 hours.
- 【Note】It is forbidden to expose the main part of the aquarium heater to the surface of the water during use, and 100% diving use must be guaranteed, otherwise the LED display will display an “Er” abnormal code.. Please unplug the power when cleaning the fish tank or changing the water in the aquarium.
Size | 25W (2-5 gal) |
Factors You Need to Consider When Buying Heater For 2 Gallon Tank from Online Stores
Product reviews are very important these days when you are looking for the best Heater For 2 Gallon Tank . You can’t just go out and buy the first gadget that looks good. You need to look at the features and quality before you decide on how much you are willing to spend.
Most of the online stores have different types of product reviews. But the majority of them are written by the owners of the Heater For 2 Gallon Tank . However, there are a few sites that are there to help you look at the features, quality, and even the customer reviews.
That is why we are here with some product reviews that will help you make a good choice and buy the best Heater For 2 Gallon Tank .
Handling
Does the Heater For 2 Gallon Tank come with any hidden dangers? This is something you should consider before buying the device. However, it’s not just about the Heater For 2 Gallon Tank ; it is also about how easy it is for you to handle.
Ergonomics
When you are looking at buying the best Heater For 2 Gallon Tank , you need to think about the ergonomics of the device. Here, you need to ensure that you get the right fit for your body. You want to avoid having to strain your back just to use the device.
Features
When it comes to deciding on how much you are willing to spend, you need to consider the features. You need to see what kind of features it has. From this, you can make a choice as to how much you want to spend.
Customer Reviews
The customer reviews can also be very important when you are looking for the best Heater For 2 Gallon Tank . They can provide you with a lot of information that you may not know about the Heater For 2 Gallon Tank .
Shipping Options
When you are looking for the best Heater For 2 Gallon Tank , you need to think about the shipping options. Some companies are expensive, and if you are going to pay for the shipping, you need to expect it to be the fastest.
Warranties and Guarantees
When you are looking for the best Heater For 2 Gallon Tank , you need to think about the warranty and guarantees. If the Heater For 2 Gallon Tank has a warranty, it means that the company is confident about the quality of the Heater For 2 Gallon Tank . In turn, this means that you can be confident about using the Heater For 2 Gallon Tank .
Return Policy
With all the features in mind, you need to think about the return policy.
Final Words
No matter what product you are looking for, always do your research and make sure to choose a good one. There are a lot of great Heater For 2 Gallon Tank s on the market, so it is important to find one that is right for you.