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. 300 Watt Aquarium Heater Fast Heating Titanium Tube Saltwater Fully Submersible Fish Tank Heaters wi...

Periha HF-300W First Impressions

"Highly recommended."

Per my thermometers, they are all staying constant. It's pretty noticeable, but I don't really care. Just be careful and keep an eye on your temp settings when you have kids over! This product came in the nick of time! They shipped us the upgraded version that also heats! Was very impressed with the quality of this heater. There is no protection from it banging on the glass tank.

  • 300 Watt Aquarium Heater Fast Heating Titanium Tube Saltwater Fully Submersible Fish Tank Heaters with LED Digital Temperature External Controller Freshwater Safety Pinpoint Thermostat 53-80 Gallon
  • ✅ STRONG ANTI-CORROSION: The tank heater is made of high-quality, durable titanium alloy, no glass, do not worry, it will be shattered. And its strong anti-corrosion features make it perfect for freshwater, saltwater aquariums, and reef tanks.
  • ✅ SAFE EXTERNAL CONTROL: With external thermostat, no need to take out the heater from the aquarium or tank, easily adjust the temperature you want without getting your hands wet, prevent electric shock & burns, keep you and your family safe.
  • ✅ ACCURATE TEMP CONTROL: LCD display can clearly show the temperature setting in either Celsius or Fahrenheit, just press and hold the “SET” button for 3-4s. Heating temperature ranges from 68 to 93°F(14-34℃). Control accuracy is +/- 0.5° C, providing a constant warm aquarium for your pet fish to stay healthy.
  • ✅ EASY TO SETUP & USE: This heater is fully submersible in water HORIZONTALLY with 2 strong suction cups, not easy to move and drop off, preventing your pets from harm and burning. Place it near a strong water flow to keep the whole tank at the same temperature.
  • ✅ AQUARIUM CAPACITY: 300W stable output power, the heater fits for aquariums with 53-80gallons(300 Liters) of water capacity. We offer a 1-year limited warranty, if you have any questions, pls contact us first, we will respond within 24 hours to solve the problem.
  • Manufacture: Periha
  • Product Dimensions: 11.23 x 0.75 x 0.2 inches; 1.15 Pounds
  • Editor's Impressions Of The Periha HF-300W
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

Periha HF-300W Final Thoughts

"Love these slim heaters!"

This is only day one though, so I shall keep an eye one it. I waited a little bit to write the review so it could be accurate. I got a hold of Amazon, who put me in touch with the seller. The temperatures are pretty accurate. I am very happy with this purchase. My marina heater takes a few hours. --Temperature adjustment labeling is on top rather than on the rod.

Overall Score
5.0


(9 Points)

9. DECJ Submersible Aquarium Heater, 25W/50W/100W/150W/200W/ Fish Tahk Heater, with Adjust Knob Thermos...

DECJ First Impressions

"Very quick shipping."

If the blue light is flashing it means the heater is not fully submersible. I bought a similar one at the pet store and it barely worked. This has the best controller that I have found on the market. They shipped us the upgraded version that also heats! I tested it by unplugging and replugging it. This is only day one though, so I shall keep an eye one it. The bonus digital thermometer it came with has been super helpful, and is accurate.

  • DECJ Submersible Aquarium Heater, 25W/50W/100W/150W/200W/ Fish Tahk Heater, with Adjust Knob Thermostat 2 Suction Cups and Free Thermometer, Suitable for Marine Saltwater and Freshwater,150watt
  • IP68 WATERPROOF: This fish tank heater is waterproof, must be fully submerged in water when working, stick it with suctions horizontally or vertically onto the tank side near the water intake or where the way of water flow. Please unplug the power supply when cleaning the fish tank or aquarium water changes.
  • LED DISPLAY: Electronic Thermostat accurate to +/- 1 ℃, no need to buy another thermometer, Clearly show the temperature you set, the red indicator light is on when it start to heat your tank, and the blue indicator is on when tank reaches the temperature you regulates.
  • OVER-HEATED & SAFTY PROTECTION: When water temperature reaches to set temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. When lack of water, the heater will stop working to prevent dry burning.
  • TEMP ADJUSTABLE(℃/℉ Switchable): The temperature adjustable range is from 68℉ to 94℉ (20℃-34℃), which is suitable for different aquariums,hydroponics growing system,various ornamental fish and amphibious turtles. Essential for arowana, aquarium fish, fish ponds, and turtles.
  • UNIQUE WATER CHANGER: The water filter has a built-in porous filter to prevent fish or water grass and sand from being sucked out; the water control valve can adjust the water flow size, which is conducive to cleaning relatively small sand and gravel.
  • Manufacture: Aquarium Heaters & Chillers
  • Editor's Impressions Of The DECJ
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

DECJ Final Thoughts

"Love this heater!"

My marina heater takes a few hours. They shipped us the upgraded version that also heats! And I get to keep the first one I bought! Takes a little while to drop the temps if it is hot in the garage. The heater is super thin and the reflective surface is interesting. I am very happy with this purchase. I like the fact that it comes with a digital thermometer.

Overall Score
5.0


(1 Points)

10. VIBIRIT Aquarium Heater,Betta Fish Tank Heater 25W Smart Small Aquarium Heater,Energy Efficient Subm...

User Ratings: 66 8

VIBIRIT First Impressions

"There was only~0."

It's only been set up for a month we'll see how well it does in a few months. After several weeks of running the heater. Just be careful and keep an eye on your temp settings when you have kids over! I noticed my old hygger heater beginning to fail and my wife ordered this one. This product came in the nick of time! I went ahead and went with the the larger 300W for my 45 gallon. It does blend well in some setups and may look bulky in others.

  • VIBIRIT Aquarium Heater,Betta Fish Tank Heater 25W Smart Small Aquarium Heater,Energy Efficient Submersible Thermostat + Thermometer Sticker
  • Fully Automatic Temperature Control Chip:VIBIRIT submersible aquarium heater automatically adjusts the temperature between 75°F and 82°F (24°C to 28°C). It is different from the traditional manual adjustment of the aquarium heater and does not need to be set. And will automatically turn on/off to achieve the setting temperature constantly and stably, Energy-efficient.
  • Advanced Materials: sturdy engineering plastic. It has anti-explosion, anti-scalding function, high temperature resistance and high safety. Suitable for aquarium pets such as turtles and fry. Length - 5.35 inch, Width - 0.9inch, Thickness - 0.63inch.
  • 25W Fish Tank Heater is suitable for 3 to 5 gallons and can be used in mini fish tanks and aquariums. The super-designed suction cups hold the heater tightly in the aquarium. Easy to hide in the water tank.
  • Included Temperature Sticker: You can attach the temperature sticker to the surface of the water tank(don't put in the water), through which you can monitor. The easy-to-recognize blue color indicates the current temperature of your aquarium water. Temperature bar is for reference only
  • Parameters and Quality Assurance: working power 25w, frequency: 50/60Hz, voltage: 110-120V, waterproof rating IP68. This product aquarium heater has passed CE, ROHS, FCC certification. Explosion-proof, waterproof, anti-scalding, high temperature and other safe operation.
  • Manufacture: VIBIRIT
  • Editor's Impressions Of The VIBIRIT
  • Heat Quality
  • Quality
  • Value For Money
  • Affordability

VIBIRIT Final Thoughts

"Works just as advertised!"

The temperatures are pretty accurate. I noticed my old hygger heater beginning to fail and my wife ordered this one. I left seller feedback yesterday but have yet to hear from the seller. I will definitely be buying another one for my other tanks at bigger one. But my guys don't read them and don't listen! The suction cups are large, high quality and seem to stick great. Or better yet, conceal it to the back corner.

Overall Score
4.3


(706 Points)

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