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. Glass Hydrometer Saltwater Temperature Thermometer Aquarium Fish Tank Marine

Aisoway First Impressions

"It works great."

You can use the thermometer with or without the plastic suction cup. It is large enough to see without being obtrusive. Ordered three of these and they do the job. So the extra units will always come in handy. Set all six probes up in a terrarium with a constant temp of 88. The display can be set to Fahrenheit or Celsius. Have checked them against the glass thermometers and the accuracy is right on.

  • Glass Hydrometer Saltwater Temperature Thermometer Aquarium Fish Tank Marine
  • Aquarium and exo terra reptile tank thermometer.
  • Size: 19.5cm.
  • Package included:1 x Thermometer.
  • Applicable both on the land and in the water.
  • Made of high quality glass, clear and easy to read. Stable and durable enough for a long time use.
  • Manufacture: Aisoway
  • Item Weight: 1.13 ounces
  • Product Dimensions: 1.97 x 1.97 x 1.97 inches
  • Editor's Impressions Of The Aisoway
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aisoway Final Thoughts

"So glad i got these!"

And for the price you cant beat it. 49 thermometer that is 100% accurate. This company is taking the long term view of how to do business right. The plastic from the suction cup quickly turned from a clear to a milky white. I am extremely pleased with this product. This is how you calibrate a thermometer. This company is taking the long term view of how to do business right.

Overall Score
5.0


(1 Points)

5. JLENOVEG Reptile Thermometer Humidity and Temperature Sensor Gauges Reptile Digital Thermometer Digi...

User Ratings: 68 4

JLENOVEG First Impressions

"Suction cups fail."

In the right situation this magnet thermometer is the best available. This company is taking the long term view of how to do business right. These digital thermometers are great and there is no guesswork involved. I did have a problem with one in my first pack of 6. I think the people who said the suction cup broke. Only thing I don't love is how long the cord is. It started working as soon as I put it in and has been working ever since.

  • JLENOVEG Reptile Thermometer Humidity and Temperature Sensor Gauges Reptile Digital Thermometer Digital Reptile Tank Thermometer Hygrometer with Hook Ideal for Reptile Tanks, Terrariums
  • Essential Reptile Thermometer Hygrometer: Monitor temperature and humidity of tanks with this easy to use thermometer hygrometer.
  • Stylish Design: Stylish looking digital thermometer with hook for temperature and humidity monitoring. Easy to read, install and operate; this gadget features a digital screen that displays reading in both Fahrenheit and Celsius.
  • Fantastic Value to Help Maintain Ideal Environment: While caring for your beloved reppies, temperature plays a quintessential role; When it comes to reptile tanks, we only offer the best quality and accuracy. Reptile Digital Thermometer allows you to closely monitor the right temperature
  • Quality Guaranteed and Accurate Temperature Measurement: Our carefully sourced range of thermometer hygrometers are manufactured to the highest of standards our customers expect
  • Exceptional Customer Service: With size of only 2.08” x 1.3” x 0.67”, this can be displayed anywhere in your tank without getting in the way of your pal’s view. With a wealth of experience our Thermometer World teams are here to help with any questions.
  • Manufacture: Poly
  • Product Dimensions: 2.08 x 1.3 x 0.67 inches; 1.59 Ounces
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The JLENOVEG
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

JLENOVEG Final Thoughts

"Appears to be accurate."

Ordered three of these and they do the job. I have this thermometer on all my tanks. One of my aquariums is glass, and the other two are plastic. Checked with temp gun and the terrarium was on target at 88. This thermometer is spot on accurate. 49 thermometer that is 100% accurate. Checked with temp gun and the terrarium was on target at 88.

Overall Score
4.4


(320 Points)

6. Neptonion Aquarium Thermometer LCD Digital Aquarium Thermometer with Suction Cup Fish Tank Water Ter...

User Ratings: 72 5

Neptonion First Impressions

"Buy these."

So far I've been very thrilled with these. Then she followed up again on that, asking if they had arrived and were okay. Only thing I don't love is how long the cord is. It is easy to use and install it'disappears' in your tank it is so unobtrusive. It is large enough to see without being obtrusive. I don't think i'll ever be able to trust a digital thermometer again. It started working as soon as I put it in and has been working ever since.

  • Neptonion Aquarium Thermometer LCD Digital Aquarium Thermometer with Suction Cup Fish Tank Water Terrarium Temperature for Fish and Reptiles Like Lizard and Turtle
  • - Easy to read : With compact design ,The Large LCD display unit is easy to read.
  • - °F / ℃ : It records a wide range of temperature (can be read in Celsius or Fahrenheit), which makes it exceptionally useful in that you can use it in any kind of fish tank.
  • ⏰ - Precise : Displaying temperature measurements within 0.1 degrees! And has a temperature range from -50 to +70 degrees celsius.
  • - Easy to set up : This thermometer comes with two parts that have suction cups that simplify the mounting process.
  • - Durable : it’s powered by one LR44 battery. These are very long lasting and easy to replace. Making this a great choice if you’re looking for an accurate and durable thermometer.
  • Manufacture: Windbells
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The Neptonion
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Neptonion Final Thoughts

"Fast accurate readings."

Put them all in the same tank and they read very close to each other. The suction will never be the same. Instead she sent a new package of two, both of which work. You can not swivle the thermometer to face a certain way. I have kept aquariums for about 45 years. Only thing I don't love is how long the cord is. I've checked it against two other thermometers that are accurate.

Overall Score
4.4


(1325 Points)

7. AQUANEAT 1 Pack Aquarium Thermometer, Reptile Thermometer, Fish Tank Thermometer, Digital Thermomete...

User Ratings: 70 4

AQUANEAT DT-A045^ First Impressions

"So far loving it."

My 50+ eyes cannot read a regular tank thermometer without squinting. Only thing I don't love is how long the cord is. These are the perfect size to be easily read while not being obtrusive. SIX Digital Thermometers with SIX batteries INCLUDED working so well. This doesn't bother me as it ws so cheap. Since it is a mercury thermometer, it is very accurate. I can't say which is the most accurate and don't really care.

  • AQUANEAT 1 Pack Aquarium Thermometer, Reptile Thermometer, Fish Tank Thermometer, Digital Thermometer, Terrarium Water Temperature Test, with Large LCD Display
  • Wide application: Ideal for use in water or high moisture environment like aquarium terrarium, or vivarium; suitable for different water types such as fresh water, tap water, salty water, marine water and etc.
  • Easy to read: Comes with a large LCD display that is easy to read clearly
  • Easy to setup: Submerge probe with suction cup can easily be set in water (Submerge probe only, do not submerge thermometer in water) ; Press ''PWR'' for 3 seconds to power off
  • Free extra LR44: 2 PCS LR44 button cell for each thermometer (one for operation, one for spare)
  • Wide temperature range: Measure -58°F to +158°F (-50°C to +70°C) with accuracy +/- 1°C
  • Manufacture: AQUANEAT
  • Editor's Impressions Of The AQUANEAT DT-A045^
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AQUANEAT DT-A045^ Final Thoughts

"So far so good."

So far, they're all doing their job in my four tanks and I am quite content. The digital display itself is easy to read at a glance. Place it on your aquarium and you are good to go. I have mine on my 60 gallon cube marine tank. Simple fix, you adjust the thermometer within the suction cup and VIOLA! Personally I do not mind the way it looks in my aquarium. Place it on your aquarium and you are good to go.

Overall Score
4.5


(507 Points)

8. Non-Contact Infrared Thermometer, ELVASEN Digital Laser Temperature Gun Forehead Infrared Thermomete...

User Ratings: 38 27

ELVASEN First Impressions

"Great product!"

82 PER THERMOMETER with battery included. In this scenario it would probably get knocked loose a lot. I find that the temps are accurate, and this product gives added peace of mind. Very impressed, I have now had them in used for a month so far. And is easily hidden behind a plant. I have this thermometer on all my tanks. Excellent working for our bearded dragon tank.

  • Non-Contact Infrared Thermometer, ELVASEN Digital Laser Temperature Gun Forehead Infrared Thermometer for Baby, Adult, Child, Surface of Objects
  • Measurement accuracy: Body Temperature -- outside (35-42) ℃ ± 0.3 ℃ / 0.54 ℉ / (35-42) ℃ ± 0.2 ℃ / 0.4 ℉; Object Temperature: ± 1.0 ℃ / 1.8 ℉.(Not include battery)
  • Measurement range: Body Temperature -- 32 ℃ to 42.9 ℃ (89.6 ℉ to 109.2 ℉); Object Temperature -- 0 ℃ to 100 ℃ (32 ℉ to 212 ℉)
  • Product Introduction: This product is composed of high-precision infrared sensor, microprocessor, memory chip, power supply, electro-acoustic component, liquid crystal display and housing. It can quickly and accurately measure human body temperature or object temperature.
  • Usage rules -- Human Body Measurement: While waiting, point the thermometer probe at the center of the forehead (above the eyebrow center) and keep it vertical, distance 3 ~ 5cm, press the measurement key to display the measured temperature within about 0.5 seconds; While waiting, press the "-" button once to switch to the temperature measurement mode. Point the thermometer probe at the object and press the measurement button. The measurement temperature will be displayed in about 1 seconds.
  • Working Principle: This product adopts infrared temperature sensing method to measure temperature display or data output. It displays the temperature of the measured object by measuring the thermal radiation of the forehead or object.
  • Manufacture: ELVASEN
  • Editor's Impressions Of The ELVASEN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

ELVASEN Final Thoughts

"So far loving it."

Personally I do not mind the way it looks in my aquarium. For something so cheap, they are working remarkably well. My only complaint is that they tend to be a one time use. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. So much easier than the ones that hang on the inside. Who knows, whatever it was, it was revolting! I can't say which is the most accurate and don't really care.

Overall Score
3.4


(48 Points)

9. SunGrow Tortoise Thermometer with LCD Display, Monitors Enclosure Temperature in Celsius & Fahrenhei...

User Ratings: 54 17

SunGrow First Impressions

"It sticks very firmly."

I bent it a little bit and when I put it back it was perfectly fine. Good cheap accurate aquarium thermometer. The only reason I didn't give this 5 stars is because my betta fish didn't like it. It worked great and I highly recommend it! I removed the batteries of the units I wasn't using right away. I removed the batteries of the units I wasn't using right away. I removed the batteries of the units I wasn't using right away.

  • SunGrow Tortoise Thermometer with LCD Display, Monitors Enclosure Temperature in Celsius & Fahrenheit in 5 Seconds, Easy to Install, Temperature Sensor Probe, 2 Suction Cups and Battery Included
  • ✔ THEY’LL GROW OLD WITH YOU WHEN OPTIMAL TEMPERATURE IS PROVIDED --- To keep themselves in a healthy frame of mind, your cold-blooded herp needs a lot of heat. Provide a basking spot with temperature ranging between 95°F - 105°F. SunGrow Digital Thermometer with LCD display enables you to monitor this temperature accurately. The optimal temperature promotes blood circulation, ensures quick digestion, flex their muscles, ability to reproduce.
  • ✔ ENSURE HAPPINESS & LONGEVITY OF YOUR PET --- Being able to quickly and accurately read the temperature of your pet’s habitat is essential to keeping them healthy. Frequent changes in temperature can greatly stress them out affect their immune system. By using SungGrow Digital Thermometer, you ensure their happiness and long life.
  • ✔ SHOWS TEMPERATURE IN FAHRENHEIT OR CELSIUS --- SunGrow Digital Thermometer clearly displays the temperature in both Fahrenheit and Celsius and has a measurement of -58° to +158°F and -50° to +70°C. If the temperature is outside of that range, the screen will display L° for low temps and H° for high temps.
  • ✔ ACCURATELY MONITORS TERRARIUM TEMPERATURE --- When it comes to monitoring the temperature of your indoor pet’s tank, the most useful tool you can find is an aquarium thermometer. Don’t let your land-dwelling specie tell you it’s too cold or warm in there, by getting ill, and risk losing them. The Digital Thermometer from SunGrow quickly tells you the temperature at a quick glance any time so that you can make potentially life-saving adjustments to their enclosure.
  • ✔ MADE TO LAST --- Made of durable plastic and clear, big LCD screen, lightweight and easy to read. Unobtrusive and long-lasting. Comes with Reader tip (Sensing Probe Cable Line), suction cups and LR44, 1.5v battery included, cable with 38" length and ready-to-go upon arrival.
  • Manufacture: Luffy Pets Collection
  • Editor's Impressions Of The SunGrow
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

SunGrow Final Thoughts

"Very accurate."

6 inch long Bala Sharks that are known to be very unruly and boisterous. Who knows, whatever it was, it was revolting! The lid is textured aluminum, and the suction cups don't stick to that. Was going to get a floater until I saw this magnetic one! My 50+ eyes cannot read a regular tank thermometer without squinting. And is easily hidden behind a plant. You can use the thermometer with or without the plastic suction cup.

Overall Score
3.9


(38 Points)

10. Ade Advanced Optics Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater

User Ratings: 75 5

Ade Advanced Optics SSA0010 First Impressions

"I like these."

The suction works for a month at a time- in pool and hot tub circulation. You can glue, tape or simply cover the cords in the tank to keep them discreet. I used these on a number of my aquariums that have discus fish in them. The units each had a battery in place and situated for immediate use. I have kept aquariums for about 45 years. I use a small flashlight if I don't want to brighten the area. The non-working ones still provide 2 batteries each AND.

  • Ade Advanced Optics Dual Scale 1.0 to 1.070 S.G. Salinity Refractometer for Aquarium & Seawater
  • One scale checks the NaCl levels with the range of 0-100 ppt (with 1 ppt scale divisions) and the other scale gauges Specific Gravity with a range of 1.000 to 1.070(+/-0.001 accuracy)
  • Features ATC (Automatic Temperature Compensation) for accurate readings.
  • Sturdy design, compact in size and light in weight, convenient to keep up and carry around.
  • It is suitable for a marine saltwater tank.
  • This Refractometer is backed by a 2 Year - No Hassle - Free Replacement Guarantee.
  • Manufacture: Ade Advanced Optics
  • Product Dimensions: 2 x 2 x 7 inches; 6.4 Ounces
  • Editor's Impressions Of The Ade Advanced Optics SSA0010
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Ade Advanced Optics SSA0010 Final Thoughts

"Works perfect."

My 50+ eyes cannot read a regular tank thermometer without squinting. Since it is a mercury thermometer, it is very accurate. I ordered this guy and it was 6 degrees hotter than the digital! It is my opinion that everyone should have these that are in the Aquarium Hobby. The non-working ones still provide 2 batteries each AND. For the price I'll probably end up putting these in all of my aquariums. I tested this in a cup crammed full of ice and some water.

Overall Score
4.5


(854 Points)

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