Editor's Choice - Our Favorite Uniclife Aquarium Heaters

1. Uniclife Preset Aquarium Heater Submersible 50W/250 W with Electronic Thermostat Fish Tank Heater fo...

User Ratings: 66 12

Uniclife First Impressions

"I do recommend."

It does blend well in some setups and may look bulky in others. I confirm it with my cooking digital probe thermometer. I would definitely recommend this product. I will definitely be buying another one for my other tanks at bigger one. I hope these suction cups work very well. The temperatures are pretty accurate. If the water runs low or air gets in the heater shuts off.

  • Uniclife Preset Aquarium Heater Submersible 50W/250 W with Electronic Thermostat Fish Tank Heater for 10/80 Gallon
  • 5~15 gallons fish tanks were recommended. Applicable for freshwater, marine and tropical aquariums.
  • Preset temperature of 78°F: Built-in electronic thermostat, Model PH50 would automatic heating water then maintain the temperature at 78±2° which is an ideal temperature for most of tropical fish. No adjustment needed, so not adjustable, please kindly note before order.
  • Shut-off Automatically: LED indicator light would display red while it’s turned on and heating, will automatic turn off when the preset temperature( 78±2°) was reached.
  • Anti-Shatter:Made of heat-resist thick quartz glass, shatterproof material to keep your fishes safe. UL listed, prevent the risk of fire, electric shock.
  • Small Sized and Submersible: Fully submerge the heater, tightly fix it with 2 strong suction cups vertically or horizontally on the tank. Small size makes it easy to hide and save space.
  • To keep the water at the right temperature of 78 degree F consistently for the most popular tropical fish species.
  • The temperature won’t change suddenly or frequently would make your fish happy and healthy.
  • Made of a shatter-resistant tempered quartz glass, which helps to keep your fish and other aquarium dwellers safe.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"My fish is very content."

Come on Fluval, expect better from you. The line is there due to regulations in certain countries. I noticed my old hygger heater beginning to fail and my wife ordered this one. I got the 200W variant for my 54 gallon corner tank that's housing goldfish. Two inches above that is a waterline for maximum. Temperature is slightly off by running a little warmer. The setting always stayed the same.

Overall Score
4.2


(188 Points)

Peoples Choice - Other Highly Rated Uniclife Aquarium Heaters

2. Uniclife Aquarium Heater Submersible with Thermometer, 300 Watt for 80 Gallon Fish Tank

User Ratings: 69 7

Uniclife First Impressions

"Will buy again."

It is a bonus that the heater is titanium. I had a thermometer on opposite side of tank and the heater was dead on true. I recieved this product without the instructions or the added thermometer. Very easy to install and the adjustable temperature gauge is pretty accurate. Maintains it well except when the weather is already warm then it over heats it. This has been in my fish tank for a few months now and it's been absolutely perfect! Just be careful and keep an eye on your temp settings when you have kids over!

  • Uniclife Aquarium Heater Submersible with Thermometer, 300 Watt for 80 Gallon Fish Tank
  • Ideal for 50-80 gallons fish tanks, can be installed in both fresh and saltwater.
  • Red rotatable knob on top for adjusting the temperatures between ranges of 68°F-93°F. Visible temperature displayed allows accurate temperature maintain.
  • Please notice the red indicator light is on while working, will automatically turn off when temperature reached. Carefully check external condition before use. Recommend testing before introduce to fish.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 11.2" x 1" (L x D)
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(The color of number will change to blue to indicate the temperature).
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"This heater works great."

This does a great job at regulating the temp in my 10 gallon. I adjusted the set temperature a little lower to be more in the range I wanted. --The heater itself is a bit shorter if your tank is a short one. No biggie, but annoying nonetheless. The setting always stayed the same. This is a great heater that is very easy to set up and program. There is no protection from it banging on the glass tank.

Overall Score
4.4


(138 Points)

3. Uniclife Aquarium Heater Submersible with Thermometer, 200 Watt for 50 Gallon Fish Tank

User Ratings: 55 8

Uniclife First Impressions

"Just bought a second one!"

The temperature gauge is fairly accurate in my 55 gallon tank. Beware, but we are hoping for a good outcome! At this time I highly recommend this product. When i installed them, i let them sit in the tanks without power for 6-24 hours. I have 3 of the Fluval heaters, in various sizes. I got a hold of Amazon, who put me in touch with the seller. It took me only two tries to get it to the correct temperature.

  • Uniclife Aquarium Heater Submersible with Thermometer, 200 Watt for 50 Gallon Fish Tank
  • Ideal for 25-50 gallons fish tanks, can be installed in both fresh and saltwater.
  • Red rotatable knob on top for adjusting the temperatures between ranges of 68°F-93°F. Visible temperature displayed allows accurate temperature maintain.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 11.2" x 1" (L x D).
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(The color of number will change to blue to indicate the temperature).
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Install it either vertically or horizontally by attaching the suction cups to the glass of the tank.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"5 degrees."

I was worried about the quality but I am thoroughly impressed with this heater! The design is sleek and modern looking. They shipped us the upgraded version that also heats! The cover over the heating tubes is great, the turtles claws can't damage the tube. I would definitely recommend this product. My heater is fully submerged underwater and works perfectly fine. The heater is being used in a 40 gallon breeder.

Overall Score
4.2


(58 Points)

4. Uniclife Aquarium Heater Submersible with Thermometer, 100 Watt for 20 Gallon Fish Tank

User Ratings: 67 5

Uniclife First Impressions

"Just bought a second one!"

I went ahead and went with the the larger 300W for my 45 gallon. I noticed my old hygger heater beginning to fail and my wife ordered this one. I use a 50 for a 5 gal and a 10 gal tank. I think it works well to not stand out like other heaters. Checked the accuracy of the heater with an infrared thermometer. Sometimes you may have to tinker around with the dial. I used to try those other cheap heaters sold on amazon.

  • Uniclife Aquarium Heater Submersible with Thermometer, 100 Watt for 20 Gallon Fish Tank
  • Ideal for 10-25 gallons fish tanks, can be installed in both fresh and saltwater.
  • Red rotatable knob on top for adjusting the temperatures between ranges of 68°F-93°F. Visible temperature displayed allows accurate temperature maintain.
  • Please notice the red indicator light is on while working, will automatically turn off when temperature reached. Carefully check external condition before use. Recommend testing before introduce to fish.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 9.7" x 1" (L x D)
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(The color of number will change to blue to indicate the temperature).
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"I like this heater."

The red light means it's off, blue light means the temperature is constant. I have only had minor problems with the suction cups. It comes with a hanging kit and can be secured on the edge of the tank. The heater is being used in a 40 gallon breeder. No biggie, but annoying nonetheless. Once attached to the tank wall I've had no issues with it coming off. The heater is super thin and the reflective surface is interesting.

Overall Score
4.3


(25 Points)

Honorable Mentions - More Top Selling Uniclife Aquarium Heaters

5. Uniclife Aquarium Heater Submersible with Thermometer, 50 Watt for 10 Gallon Fish Tank

User Ratings: 83

Uniclife First Impressions

"Long heater."

At this time I highly recommend this product. At this time I highly recommend this product. Per my thermometers, they are all staying constant. I waited a little bit to write the review so it could be accurate. It does blend well in some setups and may look bulky in others. If the blue light is flashing it means the heater is not fully submersible. Awesome chiller, perfect for Hydroponics.

  • Uniclife Aquarium Heater Submersible with Thermometer, 50 Watt for 10 Gallon Fish Tank
  • Uniclife submersible heater, ideal for 5-15gal fish tanks, can be installed in both fresh and saltwater.
  • Red rotatable knob on top for adjusting the temperatures between ranges of 68°F-93°F. Visible temperature displayed allows accurate temperature maintain.
  • Please notice the red indicator light is on while working, will automatically turned off when temperature reached. Carefully check external condition before use. Recommend testing before introduce to fish.
  • Water-tight with IP68 sealing workmanship. Fix the heater tightly to the tank in vertical or horizontal with 3 strong suction cups. Shatterproof 2 mm extra thick quartz glass prevents electricity leakage and scratching. Measures 8.6" x 1" (L x D)
  • Come with Uniclife aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1(Color of number will change to blue to indicate the temperature).
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"And I am glad I did."

They shipped us the upgraded version that also heats! It took me a few days slowly turning the dial up to finally get it where I wanted. All seem to vary between 1-2 degrees of each other which doesn't concern me much. It is safe and dependable and comes with a one year warranty. The design is sleek and modern looking. I will be ordering more of these in the future. I dont know, and havent tried just yet.

Overall Score
4.8


(20 Points)

6. Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 20 Gallon

User Ratings: 77

Uniclife First Impressions

"What a long."

They promptly fixed the issue without any delays or drama. This has the best controller that I have found on the market. Once attached to the tank wall I've had no issues with it coming off. I was amazed how quickly I got to my temperature I need it 78 degrees. Easy to read the temp and know exactly how warm the water is. But I am single and don't have to worry about this. I left seller feedback yesterday but have yet to hear from the seller.

  • Uniclife 100 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 20 Gallon
  • Can be used in both freshwater and saltwater, applicable for 10~25 gallon fish tanks.
  • Adjust temperature by top red knob, range 68°F-93°F. Tube temperature displayed.
  • Water-tight of IP68 sealing. 2mm shatterproof quartz housing, bottom clash-proof cover. (NOTICE: Can’t be used even just cracked a tiny bit, pls contact us for replacement)
  • Measurement 9.7" x 1" (L x D). Only allowing for vertical or horizontal installment.
  • Package include aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1.
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"Good product."

I appreciate the exterior temp readout and control module. I like the fact that it comes with a digital thermometer. I have it set to 81F to get a 77F water temp. The red light means it's off, blue light means the temperature is constant. Keeps the temperature within 1 degree of what you set it to at all times. The bonus digital thermometer it came with has been super helpful, and is accurate. We wish the controls were available in Farenheit also to make things a little easier.

Overall Score
4.5


(18 Points)

7. Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 50 Gallon

User Ratings: 74

Uniclife First Impressions

"Peace out."

Pressing and holding the button for 5 seconds changes it from F to C readouts. Keeps the temperature within 1 degree of what you set it to at all times. It's only been set up for a month we'll see how well it does in a few months. The setting always stayed the same. I was amazed how quickly I got to my temperature I need it 78 degrees. I use a 50 for a 5 gal and a 10 gal tank. The temperatures are pretty accurate.

  • Uniclife 200 Watt Aquarium Heater with Thermometer, Fish Tanks Heater of 50 Gallon
  • Can be used in both freshwater and saltwater, applicable for 25-50 gallon fish tanks.
  • Adjust temperature by top red knob, range 68°F-93°F. Tube temperature displayed.
  • Water-tight of IP68 sealing. 2mm shatterproof quartz housing, bottom clash-proof cover. (NOTICE: Can’t be used even just cracked a tiny bit, pls contact us for replacement)
  • Measurement 11.2" x 1" (L x D). Only allowing for vertical or horizontal installment.
  • Package include aquarium heater x 1; Suction Cups x 3; stick-on thermometer x 1.
  • By rotating the Red knob at the top you can simply set the temperature from 68 - 93°F.
  • The red indicator light on while heating, automatic shut-off when reach the temp.
  • The aquarium glass submersible heater must be fully immersed.
  • Manufacture: Uniclife
  • Editor's Impressions Of The Uniclife
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Uniclife Final Thoughts

"One word of caution."

You don't have to worry about wide temperature swings with this unit. I have a few of these and I use them in my 55 gallons tanks and a 29 gallon tank. But I am single and don't have to worry about this. It is a bonus that the heater is titanium. I have 3 of the Fluval heaters, in various sizes. This heater is NOT fully submersible. I would definitely recommend this product.

Overall Score
4.7


(5 Points)

8. SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons)...

User Ratings: 72 8

SunGrow First Impressions

"5 gallon tank."

I went ahead and went with the the larger 300W for my 45 gallon. The heater is super thin and the reflective surface is interesting. The bonus digital thermometer it came with has been super helpful, and is accurate. We wish the controls were available in Farenheit also to make things a little easier. Bought it as a chiller for the k40 CO2 laser. Pressing and holding the button for 5 seconds changes it from F to C readouts. Beware, but we are hoping for a good outcome!

  • SunGrow Betta Plakat Heater, 10-Watt Submersible Aquarium Water Heater for Small Tanks (1.5-Gallons), with Preset Temperature Capability, Suction Cups Included
  • ✔ KEEP YOUR BETTA HEALTHY --- To ensure that your betta has optimal health, you need to provide her with warm water. The water in the tank should not go below 74°F for optimal comfort and metabolic efficiency of your crown tail betta. The cold temperature for this gourami family fish will make her lethargic, stressed, and miserable.
  • ✔ AUTOMATICALLY REACHES THE PRESET TEMPERATURE --- The smart SunGrow heater for this freshwater fish has a built-in electronic thermostat to automatically maintain water around 72°F which is ideal for most tropical fish. It saves you from the trouble of constantly keeping a check on the temperature of your tank. It will automatically shut down when it will reach the desired temperature, no manual adjustment is needed.
  • ✔ CREATES THE IDEAL CONDITIONS FOR FLORA AND FAUNA --- The eastern Asian fish species can survive in a freshwater environment. This heater by SunGrow will create ideal conditions for them. A few preconditions are required to allow it to run with maximum efficiency. The heater must be completely submerged in the water and the indoor temperature should be around 62-74°F.
  • ✔ SUCTION CUPS INCLUDED FOR EASY INSTALLATION ---- Easily install the SunGrow Heater vertically or horizontally by using the built-in suction cups to attach to your tank. The best location to place the heater is in the stream of a powerhead or near the water flow, such as the outlet (or inlet) from the filter. This way the heat is evenly distributed throughout your tank.
  • ✔ FULLY SUBMERSIBLE WATER HEATER--- This 10-watt aquarium heater supports 1.5 gallons (5 liters) fish tank. Its exterior is designed with tougher than glass and the sealed polymer can be submerged into your tank. The heating element is surrounded by a thick plastic to ensure the protection of these caudal-finned betta fish.
  • Manufacture: Luffy Pets Collection
  • Editor's Impressions Of The SunGrow
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

SunGrow Final Thoughts

"Temperature!"

It would stick out of my 30 g wide tank if I were to put it vertical. It took about an hour to reach 80f, which is fairly quick. My fish likes to get close to it and he has never been hurt by it. Was very impressed with the quality of this heater. I left seller feedback yesterday but have yet to hear from the seller. I will be ordering more of these in the future. We received the chiller promptly and put it into use.

Overall Score
4.4


(71 Points)

9. Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt,green

User Ratings: 67 10

Tetra 26445 First Impressions

"5 gallons."

Once attached to the tank wall I've had no issues with it coming off. For Discus you need warm and accurate heater and this seems to do the trick. It comes with a hanging kit and can be secured on the edge of the tank. And I get to keep the first one I bought! I recieved this product without the instructions or the added thermometer. Keeps the water consistent and it's easy to adjust! The setting always stayed the same.

  • Tetra 26445 Fauna Aquatic Reptile Heater For Frogs, Newts & Turtles,100 Watt,green
  • Protective plastic cage to prevent breakage
  • Automatic thermostat maintains water temperature at 78 Fahrenheit.
  • Plastic cage has openings so that the 8-foot cord can adapt to any direction
  • Two oversized suction cups provide maximum hold to prevent movement by active reptiles. Appropriate for heating up to 30 gallons of water
  • Note:Refer user manual below for proper installation and specification.
  • Protective plastic cage to prevent breakage
  • Automatic thermostat maintains water temperature at 78°F
  • Plastic cage has openings so that the 8-foot cord can adapt to any direction
  • Manufacture: Tetra
  • Product Dimensions: 3.5 x 2.25 x 9.27 inches; 1.6 Ounces
  • Editor's Impressions Of The Tetra 26445
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Tetra 26445 Final Thoughts

"It easy to set."

Seems to keep the temp n the tank fairly regular. Maintains it well except when the weather is already warm then it over heats it. Also I like how it shows both the current temperature and the set temperature. I contacted the manufacturer and they sent me a new unit in less than a week! The temperatures are pretty accurate. Am a totally sold customer and would recommend them to anybody! I think it works well to not stand out like other heaters.

Overall Score
4.2


(2210 Points)

10. n a Aquarium Heater,25W 50W Aquarium Fish Tank Submersible Heater,Anti-Scald Fish, with Water Shorta...

User Ratings: 60 8

N / A First Impressions

"I setup a 5."

Those turned out to be a hit and miss. I went ahead and went with the the larger 300W for my 45 gallon. Seems to keep the temp n the tank fairly regular. Product was received fast, works excellent! Ick for instance detaches from fish at 86 degrees and dies at 89. The heater is easy; turn the dial to set temp and plug in. I had a thermometer on opposite side of tank and the heater was dead on true.

  • n a Aquarium Heater,25W 50W Aquarium Fish Tank Submersible Heater,Anti-Scald Fish, with Water Shortage Protection and Aquarium Thermometer, for 3 to 25 Gallon Fish Tank Water Tank
  • [Automatic temperature control chip]: Aquarium Heater can automatically adjust the temperature between 77 ° F and 82 ° F (25 ° C to 28 ° C). It is different from the traditional manual adjustment of other aquarium heaters, without setting. It will automatically turn on / off to reach the set temperature continuously and steadily.
  • [Gift temperature sticker]: Paste the temperature sticker to the surface of the water tank, and you can use it to monitor the temperature.
  • [Stable and high-grade materials]: strong industrial plastics, non-toxic and durable. It has explosion-proof, anti-expansion functions, high temperature resistance and safety. Suitable for betta fish, such as turtles and lace. Length-13.97 cm, width-2.29 cm, thickness-1.68 cm.
  • [What capacity is suitable]: 25W fish tank heater is suitable for 9.83 liters to 1.83 liters, and can be used for mini fish tanks and aquariums. This aquarium heater is equipped with a suction cup, which can be easily absorbed in the aquarium. Easy to hide in the water tank.
  • [Warranty and quality assurance]: We provide 24-hour guidance service, you can contact us at any time, and one year of quality problems return service. This product aquarium heater has passed CE, ROHS, FCC certification. Explosion-proof, waterproof, anti-expansion, high temperature and other safe operations.
  • Manufacture: n a
  • Product Dimensions: 5.3 x 1 x 0.7 inches; 6.14 Ounces
  • Editor's Impressions Of The N / A
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

N / A Final Thoughts

"Overall happy."

The heater is super thin and the reflective surface is interesting. The temperature lights up so it's very easy to read. I think it works well to not stand out like other heaters. The temperature difference was very minor. Awesome chiller, perfect for Hydroponics. This is a great heater that is very easy to set up and program. Easy to read the temp and know exactly how warm the water is.

Overall Score
4.1


(51 Points)

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