Editor's Choice - Our Favorite VIVOSUN Aquarium Thermometers

1. VIVOSUN 1-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction C...

User Ratings: 73 3

VIVOSUN First Impressions

"Fish and me happy."

The display can be set to Fahrenheit or Celsius. I have kept aquariums for about 45 years. The plastic from the suction cup quickly turned from a clear to a milky white. My poor fish was in 86 degrees water for a month. Very accurate, have checked it with other thermometers as well. I was using one of those ubiquitous cheap digital thermometers on Amazon. Put them all in the same tank and they read very close to each other.

  • VIVOSUN 1-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction Cup for Turtle
  • HIGH ACCURACY: Temperature Range: -50℃ ~ +70℃ (-58 °F ~ +158 °F); This aquarium thermometer is accurate to +/- 1℃, no matter whether the probe is placed in any corner of this fish tank, an accurate temperature will be displayed
  • LCD DISPLAY: Comes with a large LCD display that is easy to read clearly and accurately
  • ADJUSTABLE UNIT TEMPERATURE: Easy to adjust the temp between Fahrenheit and Celsius displays; Long-press the power button to adjust the unit display
  • TWO SUCTION CUPS: Equipped with two suction cups, one for attaching the cable to the side of the tank and another for attaching the thermometer
  • SUPER LONG CABLE: The cable length connected to the probe is 78.74 inch (2 m) superior to 23.62 inch (60 cm) standard cable length; Allows accurate temperature measurements in even the largest fish tanks
  • 1. Open the battery cover on the back of this thermometer and insert the button battery to ensure the “+” positive electrode is face up;
  • 2. Use one suction cup to attach the back of this thermometer, then fix this unit to the outer of this fish tank, another suction cup is for attaching the cable;
  • 3. Submerge the probe attached cable into the fish tank;
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

VIVOSUN Final Thoughts

"So we are ordering more."

He was moving slow in the winter and we realized he needed a heater! Who knows, whatever it was, it was revolting! I removed the batteries of the units I wasn't using right away. I used to have a large hang in the side tank that you couldn't miss. 49 thermometer that is 100% accurate. At least in the first 3 months of use. The temperature fluctuated a lot with it.

Overall Score
4.6


(1062 Points)

Peoples Choice - Other Highly Rated VIVOSUN Aquarium Thermometers

2. VIVOSUN 4-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction C...

User Ratings: 69 3

VIVOSUN First Impressions

"Appears to be accurate."

This is how you calibrate a thermometer. So much easier than the ones that hang on the inside. It is about 6 inches in length and roughly an inch wide. I used these on a number of my aquariums that have discus fish in them. In the right situation this magnet thermometer is the best available. I just wrote it off as a minor loss. Ambient room temperature measures 72.

  • VIVOSUN 4-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction Cup for Turtle
  • HIGH ACCURACY: Temperature Range: -50℃ ~ +70℃ (-58 °F ~ +158 °F); This aquarium thermometer is accurate to +/- 1℃, no matter whether the probe is placed in any corner of this fish tank, an accurate temperature will be displayed
  • LCD DISPLAY: Comes with a large LCD display that is easy to read clearly and accurately
  • ADJUSTABLE UNIT TEMPERATURE: Easy to adjust the temp between Fahrenheit and Celsius displays; Long-press the power button to adjust the unit display
  • TWO SUCTION CUPS: Equipped with two suction cups, one for attaching the cable to the side of the tank and another for attaching the thermometer
  • SUPER LONG CABLE: The cable length connected to the probe is 78.74 inch (2 m) superior to 23.62 inch (60 cm) standard cable length; Allows accurate temperature measurements in even the largest fish tanks
  • 1. Open the battery cover on the back of this thermometer and insert the button battery to ensure the “+” positive electrode is face up;
  • 2. Use one suction cup to attach the back of this thermometer, then fix this unit to the outer of this fish tank, another suction cup is for attaching the cable;
  • 3. Submerge the probe attached cable into the fish tank;
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

VIVOSUN Final Thoughts

"These are great!"

50 thermometers, reads much easier and no suction cup residue, also looks better. The digital display itself is easy to read at a glance. So far I've been very thrilled with these. They reviewed the packaging or shipping by saying it arrived broken. It is about 6 inches in length and roughly an inch wide. The suction cups work well anywhere I have placed it it has not Fallen. I'm pretty sure those reviewers have acrylic tanks.

Overall Score
4.5


(627 Points)

3. VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction C...

User Ratings: 71 3

VIVOSUN First Impressions

"Fast accurate readings."

Excellent working for our bearded dragon tank. It is my opinion that everyone should have these that are in the Aquarium Hobby. I ordered a new one and it works GREAT! The non-working ones still provide 2 batteries each AND. Water tested with Autidefy brand for two hours. The lid is textured aluminum, and the suction cups don't stick to that. This doesn't bother me as it ws so cheap.

  • VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction Cup for Turtle
  • HIGH ACCURACY: Temperature Range: -50℃ ~ +70℃ (-58 °F ~ +158 °F); This aquarium thermometer is accurate to +/- 1℃, no matter whether the probe is placed in any corner of this fish tank, an accurate temperature will be displayed
  • LCD DISPLAY: Comes with a large LCD display that is easy to read clearly and accurately
  • ADJUSTABLE UNIT TEMPERATURE: Easy to adjust the temp between Fahrenheit and Celsius displays; Long-press the power button to adjust the unit display
  • TWO SUCTION CUPS: Equipped with two suction cups, one for attaching the cable to the side of the tank and another for attaching the thermometer
  • SUPER LONG CABLE: The cable length connected to the probe is 39.37 inch (1 m) superior to 23.62 inch (60 cm) standard cable length; Allows accurate temperature measurements in even the largest fish tanks
  • 1. Open the battery cover on the back of this thermometer and insert the button battery to ensure the “+” positive electrode is face up;
  • 2. Use one suction cup to attach the back of this thermometer, then fix this unit to the outer of this fish tank, another suction cup is for attaching the cable;
  • 3. Submerge the probe attached cable into the fish tank;
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

VIVOSUN Final Thoughts

"There is no question."

Love it, it's easy to read and keeps an accurate temp. And I just really started to doubt it. 6 inch long Bala Sharks that are known to be very unruly and boisterous. Then is started to give a low reading, and it is not reading the correct temperature. Far more accurate than the usual small glass ones or external LCD strips. It's kind of difficult to hide and keep out of the way. I came here to give this product a positive review.

Overall Score
4.5


(512 Points)

4. Vipe Aquarium Thermometer Sticker Fast-Read Thermometer Stick On Aquarium Fish Tank Glass Greenhouse...

User Ratings: 32 27

Vipe First Impressions

"2 deg of 32."

Sure enough the digital thermometer was way off by 6 degrees! I guess these units do not like saltwater. So much so that I purchased a second set of 6. I have kept aquariums for about 45 years. It's kind of difficult to hide and keep out of the way. I needed a solution that was not breakable and these do the trick! The lid is textured aluminum, and the suction cups don't stick to that.

  • Vipe Aquarium Thermometer Sticker Fast-Read Thermometer Stick On Aquarium Fish Tank Glass Greenhouse (1pcs)
  • Monitor tank temperature --- Keep fishes, shrimps, reptiles & turtles comfortable by making sure the water isn’t too hot or too cold. Irregular water temperatures can cause fish to be stressed or sick and develop white spots.
  • 2 steps to setup 2 --- Just peel & stick. Thermometer is slim, measuring 3.94inch x 0.79inch. Just stick it on the outside of your tank and keep it away from any heat source.
  • Clean, practical design --- Measurement range: Fahrenheit degree 64-93°F or Celsius degree 18-34°C. This all black thermometer changes color according to the temperature. If the water temperature is 80°F, the background scale of 80°F will turn into blue color to indicate your reading.
  • Measure the temperature of your fish tank, your DIY Brew Beer and wine barrel, Terrarium, Greenhouse, Vivarium and any sort of pet tank, or any place in your house. The right water temperature is very important for the health of your fish, get your beer and wine right or use in kitchen or around the home to monitor temperature.
  • Easy to install, just peel off the back of the sticker and the transparent protective film at the front and stick it on the outside wall of the aquarium, that is it.
  • Manufacture: Vipe
  • Editor's Impressions Of The Vipe
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Vipe Final Thoughts

"Very easy to read."

I am extremely pleased with this product. Sure enough the digital thermometer was way off by 6 degrees! The non-working ones still provide 2 batteries each AND. When I set up my newest tank I will be getting another one of these. It is easy to use and install it'disappears' in your tank it is so unobtrusive. All are pretty accurate within one degree as claimed. In this scenario it would probably get knocked loose a lot.

Overall Score
3.2


(26 Points)

5. Decdeal TPM10 Aquarium Thermometer Instant Read Digital Fish Tank Water Temperature Measurement Tool...

Decdeal First Impressions

"It works great."

The temperature fluctuated a lot with it. I used these on a number of my aquariums that have discus fish in them. I used these on a number of my aquariums that have discus fish in them. Far more accurate than the usual small glass ones or external LCD strips. You dont HAVE to stick the display onto your tank. When and if we run out of this batch, I'll instantly order another batch. I use a small flashlight if I don't want to brighten the area.

  • Decdeal TPM10 Aquarium Thermometer Instant Read Digital Fish Tank Water Temperature Measurement Tool with Waterproof Probe LED Display Gauge
  • Mini size and very light in weight.
  • Fast reading system achieves an accurate temperature reading within just a few seconds.
  • Ultra-clear screen LCD display showing temperature unit of Celsius.
  • With 1m cable metal sensor, it is perfect for use in refrigerator, aquarium tank, fish tank, pet cage, etc.
  • The metal probe is waterproof, you can just drop it into your fish tank.
  • Manufacture: Decdeal
  • Item Weight: 1.22 ounces
  • Editor's Impressions Of The Decdeal
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Decdeal Final Thoughts

"No complaints."

Was going to get a floater until I saw this magnetic one! One extra battery came with each unit. Now if it falls into a sink full of water, it's not a problem. I bought these for my dwc reservoirs. I have it in both my aquariums now. Sure enough the digital thermometer was way off by 6 degrees! This temperature read a perfect 32 degrees.

Overall Score
4.0


(1 Points)

6. Aquarium Thermometer with Alarm,Fish Tank Thermometer with Large Clear Screen,Reptile Thermometer wi...

User Ratings: 75

Atsani First Impressions

"Sticks easy."

6F all six took about three minutes to read between 88. I used to have a large hang in the side tank that you couldn't miss. Simple fix, you adjust the thermometer within the suction cup and VIOLA! Have checked them against the glass thermometers and the accuracy is right on. I don't think they are backlit but for the price they are still nice. It is always where yo last put it and it is very easy to see and read. I used these on a number of my aquariums that have discus fish in them.

  • Aquarium Thermometer with Alarm,Fish Tank Thermometer with Large Clear Screen,Reptile Thermometer with Probe and LCD Digital,Thermometer Hygrometer Stick on Tank for Reptile,Turtle,Salt & Freshwater
  • 【LCD Digital & Temperature Warning】-- Concise and stylish aquarium thermometer,digital number display on the large clear screen ensures you can read the fish tank's current water temperature,indoor temperature,and battery power quickly and accurately without any blind spots.High and low temperature warnings,you can set high and low temperature thresholds.Can also used for measure the temperature for reptile and turtle.
  • 【Easy to Use】-- Atsani Aquarium Thermometer is easy to use.Tear off the double-sided adhesive,stick one side to the circular suction cup of the hook,and stick the other side to the appropriate position of the fish tank.Submerge the probe into the fish tank to measure water temperature (submerge only the probe,do not submerge the whole thermometer in the water).You can choose either Fahrenheit or Celsius scale according to your need.
  • 【Digital Display & Alarm】-- Atsani Fish Tank Thermometer can display high temperature threshold,low temperature threshold,main temperature,negative temperature (indoor temperature),humidity.Each data presented clearly on the screen.You can get all the information you need.This thermometer will warn you if the temperature is too high.
  • 【Newest Design】-- Digital number display on thermometer's large clear screen ensures you to read current temperature quickly and accurately without any blind zone.The thermometer body and the water temperature probe are separated in design,which is more convenient and easier to disassemble.Button design,easy setting of water temperature meter parameters.Each thermometer is equipped with an LR44 battery which can be used for 5 months.
  • 【Widely Used】-- Fish tank thermometer suitable for different water types,such as fresh water,tap water,salty water,marine water and monitors the living temperature for reptile such as lizard,turtle.Also,it can be used for DIY Brew Beer and wine barrel,Terrarium, Greenhouse,Vivarium and any sort of pet tank thermometer.We provide a year quality guarantee.If you have any questions about our product please contact us.
  • Manufacture: Atsani
  • Editor's Impressions Of The Atsani
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Atsani Final Thoughts

"And I am glad I did."

I removed the batteries of the units I wasn't using right away. Good cheap accurate aquarium thermometer. It worked great and I highly recommend it! So far, they're all doing their job in my four tanks and I am quite content. These things are useful for a lot besides pet husbandry, too. I have to admit I had two reasons for buying six. The lid is textured aluminum, and the suction cups don't stick to that.

Overall Score
4.8


(9 Points)

7. General Tools AQ150 In and Out Aquarium Thermometer with Waterproof Probe

User Ratings: 61 8

General Tools AQ150 First Impressions

"Highly Recommended."

89 I could buy Six Thermometers with Six included batteries. I've checked it against two other thermometers that are accurate. I was using one of those ubiquitous cheap digital thermometers on Amazon. Instead she sent a new package of two, both of which work. I got root rot after light leaks and high water temps. 2 deg, if it was 32, it would be a SOLID block of ice. I find that the temps are accurate, and this product gives added peace of mind.

  • General Tools AQ150 In and Out Aquarium Thermometer with Waterproof Probe
  • General Tools and Instruments AQ150 In and Out Aquarium Thermometer monitors temperature in an aquarium or other marine environment
  • The digital thermometer can measure temperatures ranging from -58 to 158 Degrees Fahrenheit (-50 to 70 Degrees Celsius)
  • Digital aquarium thermometer has both minimum and maximum memory and a high/low temperature alarm; keep the water temperature right where you want it
  • A jumbo digital thermometer displays temperature in the aquarium; toggle between ambient/remote sensor temperature and between Fahrenheit and Celsius
  • The industrial thermometer design features both a backlight display and a convenient foldaway stand; CE approved
  • Manufacture: General Tools & Instruments
  • Product Dimensions: 0.5 x 2 x 2.88 inches; 3.04 Ounces
  • Batteries: 1 AAA batteries required. (included)
  • Editor's Impressions Of The General Tools AQ150
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

General Tools AQ150 Final Thoughts

"Would recommend!"

I bent it a little bit and when I put it back it was perfectly fine. The units each had a battery in place and situated for immediate use. 82 PER THERMOMETER with battery included. Since it is a mercury thermometer, it is very accurate. Then she followed up again on that, asking if they had arrived and were okay. The display can be set to Fahrenheit or Celsius. One extra battery came with each unit.

Overall Score
4.1


(254 Points)

8. Smarttemp Thermometer

User Ratings: 68

SMARTTEMP THERMOMETER First Impressions

"Fish and me happy."

It is large enough to see without being obtrusive. I've checked it against two other thermometers that are accurate. I got the second one as a bonus that I'm now using in my old tank. Place it on your aquarium and you are good to go. He acted aggressively towards it and so I ultimate ended up removing it due to that. It is large enough to see without being obtrusive. 6 inch long Bala Sharks that are known to be very unruly and boisterous.

  • Smarttemp Thermometer
  • SMARTTEMP THERMOMETER, 2 PACK, AQUARIUM, THERMOMETER & HYDROMETER, JW PET COMPANY
  • SMARTTEMP THERMOMETER
  • AQUARIUM
  • Saltwater safe.
  • Pack of 2
  • Manufacture: JW - AQUATIC
  • Product Dimensions: 3 x 3 x 3 inches; 3.2 Ounces
  • Editor's Impressions Of The SMARTTEMP THERMOMETER
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

SMARTTEMP THERMOMETER Final Thoughts

"Or left a mark."

Still a recommendation for me due to price and accuracy. The lid is textured aluminum, and the suction cups don't stick to that. Now if it falls into a sink full of water, it's not a problem. It's kind of difficult to hide and keep out of the way. Water tested with Autidefy brand for two hours. I used these on a number of my aquariums that have discus fish in them. They are within a degree or two of other thermometers I've checked to compare them.

Overall Score
4.5


(10 Points)

9. Qooltek Mini Hygrometer Thermometer LCD Display Digital Temperature Humidity Meter Gauge for Incubat...

User Ratings: 67 6

Qooltek First Impressions

"2-degrees."

The only reason I didn't give this 5 stars is because my betta fish didn't like it. I used these to raise chicks, and in my parrot cages. Only thing I don't love is how long the cord is. I got the second one as a bonus that I'm now using in my old tank. Simple fix, you adjust the thermometer within the suction cup and VIOLA! I read some of the 1 star reviews and most of them are not about the product. The plastic from the suction cup quickly turned from a clear to a milky white.

  • Qooltek Mini Hygrometer Thermometer LCD Display Digital Temperature Humidity Meter Gauge for Incubators Reptile and Humidors (Fahrenheit)
  • Mini Digital LCD Display Hygrometer Thermometer
  • Temperature Range: -40°F ~ 140°F ; Temperature Display Resolution: 1°F
  • Measuring Humidity Range: 10% RH ~ 99% RH
  • Humidity Accuracy:5%; Humidity Display Resolution: 1% RH
  • Degree Fahrenheit (F) Display Only, Temperature and humidity display the same size of figures.
  • Manufacture: Qooltek
  • Part Number: 004-00651
  • Item Weight: 0.705 ounces
  • Product Dimensions: 1.89 x 0.59 x 1.1 inches
  • Color: Black
  • Batteries: 2 LR44 batteries required.
  • Power Source: Battery Powered
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The Qooltek
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Qooltek Final Thoughts

"2 degrees of each other."

The lid is textured aluminum, and the suction cups don't stick to that. Ambient room temperature measures 72. Only thing I don't love is how long the cord is. So, in those cases, I find it easier to simply replace it. 82 PER THERMOMETER with battery included. I used to have a large hang in the side tank that you couldn't miss. I have this thermometer on all my tanks.

Overall Score
4.3


(447 Points)

10. Vipe Digital LCD Aquarium Thermometer Fish Tank Water Terrarium Temperature

User Ratings: 52 15

Vipe First Impressions

"Super easy."

The digital display is nice and small as well. I got the second one as a bonus that I'm now using in my old tank. I am extremely pleased with this product. I don't think i'll ever be able to trust a digital thermometer again. Good cheap accurate aquarium thermometer. This doesn't bother me as it ws so cheap. I'm pretty sure those reviewers have acrylic tanks.

  • Vipe Digital LCD Aquarium Thermometer Fish Tank Water Terrarium Temperature
  • Large accurate temperature readings with this Mini Digital Thermometer that has a simple appearance, discreet design and an easy to read LCD display.
  • Made of sturdy plastic material, ideal for use in refrigerators, refrigerators and freezers, the thermometer has a range of -50 degrees to +70 degrees.
  • Size of the Freezer Digital Thermometer Refrigerator makes it ideal for any situation where you need an accurate reading and easy-to-read screen displays the ambient temperature in Celsius.
  • Thermometer Refrigerator Digital Thermometer features ultra small and lightweight unit.
  • Powered by two button batteries, LCD Digital Thermometer can be used for a long time.
  • Manufacture: Vipe
  • Editor's Impressions Of The Vipe
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Vipe Final Thoughts

"It is within."

This is my first 5 star review out of many many reviews on Amazon. Then she followed up again on that, asking if they had arrived and were okay. I got root rot after light leaks and high water temps. The only reason I didn't give this 5 stars is because my betta fish didn't like it. He was moving slow in the winter and we realized he needed a heater! All are pretty accurate within one degree as claimed. I did have a problem with one in my first pack of 6.

Overall Score
3.8


(26 Points)

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