Editor's Choice - Our Favorite POPETPOP Aquarium Thermometers

1. POPETPOP LCD Digital Aquarium Thermometer High Precision Digital Fish Tank Thermometer for Aquarium/...

User Ratings: 60 7

POPETPOP First Impressions

"I am new to the hobby."

Very impressed, I have now had them in used for a month so far. Now if it falls into a sink full of water, it's not a problem. I use a small flashlight if I don't want to brighten the area. So much so that I purchased a second set of 6. This little wonder allows me to see at a glance that everything is as it should be. I find that the temps are accurate, and this product gives added peace of mind. In the right situation this magnet thermometer is the best available.

  • POPETPOP LCD Digital Aquarium Thermometer High Precision Digital Fish Tank Thermometer for Aquarium/Pond/Reptile Turtles Habitats (Blue)
  • TEMPERATURE - Temperature range is -20℃ ~ + 70℃. Temperature accuracy is ±1℃(±2℉). Update measured temperature every 10 seconds.
  • READINGS - LCD screen displays measured temperature which can be switched between ℃ and ℉, and it can save the maximum and minimum readings during past tests.
  • SCREEN - Large screen displays clearly, no dead corner on the left or right make it looks more beautiful. Besides, if you want a clearer screen displays, you can remove the screen protector.
  • INSTALLATION - Easy and convenient to install at fish tank with suction cup or spring clip that make sure space-saving and portable. You can put this small thermometer at anyplace you want to place. (Please only submerge probe, don't submerge thermometer in water)
  • MATERIAL - Eco-friendly ABS shell which is tough and hard. Excellent mechanical properties make the device safer, wear-resistant and stable. High accuracy with professional sensor, it can measure temperature more correctly than same product. Powered by two AG13 button cells (included).
  • Manufacture: POPETPOP
  • Product Dimensions: 2.76 x 2.76 x 1.18 inches; 1.8 Ounces
  • Editor's Impressions Of The POPETPOP
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

POPETPOP Final Thoughts

"Subtracted from the tank."

Simple fix, you adjust the thermometer within the suction cup and VIOLA! He acted aggressively towards it and so I ultimate ended up removing it due to that. I use a small flashlight if I don't want to brighten the area. I use a small flashlight if I don't want to brighten the area. Now if it falls into a sink full of water, it's not a problem. He was moving slow in the winter and we realized he needed a heater! Works well in my betta tank, but provide a couple hours for it to read temp changes.

Overall Score
4.2


(105 Points)

Peoples Choice - Other Highly Rated POPETPOP Aquarium Thermometers

2. POPETPOP Pet Dog Thermometer Digital - LCD Waterproof Electronic Portable Vetinary Thermometer for D...

User Ratings: 29 22

POPETPOP J17LR51I0OV0P449AW15T0F First Impressions

"I like the product."

Ordered three of these and they do the job. Set all six probes up in a terrarium with a constant temp of 88. At least in the first 3 months of use. My poor fish was in 86 degrees water for a month. If the digital display starts to get dim, it's time for a new battery. They are within a degree or two of other thermometers I've checked to compare them. Since it is a mercury thermometer, it is very accurate.

  • POPETPOP Pet Dog Thermometer Digital - LCD Waterproof Electronic Portable Vetinary Thermometer for Dog Puppy Cats Rabbits Kittens Sheep Celsius Only
  • Animal Thermometer Waterproof rubber probe, flexible, soft tactility more comfortabe.
  • Soft sensor, measurement accuracy, LCD display and waterproof.
  • Suitable for your farm animal, pigs, cattle, sheep, etc.
  • Directions for use: Insert the thermometer soft head position rectal 5-8 cm, press the switch (ON/OFF) button, hear di after start measuring, when they hear continuous di... After the measurement end. 20-40 seconds out thermometer, view the measurement results, according to the switch key to clos
  • Cat temperature thermometer made of high quality ABS material, practical, durable and safe.
  • Manufacture: POPETPOP
  • Product Dimensions: 4.72 x 1.18 x 0.79 inches; 0.71 Ounces
  • Editor's Impressions Of The POPETPOP J17LR51I0OV0P449AW15T0F
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

POPETPOP J17LR51I0OV0P449AW15T0F Final Thoughts

"And he is a betta."

Simple fix, you adjust the thermometer within the suction cup and VIOLA! Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK. When I set up my newest tank I will be getting another one of these. Works well in my betta tank, but provide a couple hours for it to read temp changes. So much easier than the ones that hang on the inside. I had my heater set at 73-degrees and the thermometers showed 74. The digital display itself is easy to read at a glance.

Overall Score
3.2


(32 Points)

3. POPETPOP Aquarium Thermometer-Fish Tank Thermometer Hook Practical Universal Accessory Creative Glas...

POPETPOP First Impressions

"This is perfect."

82 PER THERMOMETER with battery included. You can use the thermometer with or without the plastic suction cup. I have it in both my aquariums now. The suction works for a month at a time- in pool and hot tub circulation. Ambient room temperature measures 72. For something so cheap, they are working remarkably well. He acted aggressively towards it and so I ultimate ended up removing it due to that.

  • POPETPOP Aquarium Thermometer-Fish Tank Thermometer Hook Practical Universal Accessory Creative Glass Thermometer with Hook for Aquarium Fish Tank-6MM
  • The maximum temperature is 40 degrees centigrade.
  • Aquarium temperature gauge Hook design for easy install.
  • The thermometer column is very sensitive, will always change according to the temperature.
  • The right water temperature is very important for the health of your fish, a aquarium thermometer is very necessary.
  • Simple to use and convenient to read.
  • Manufacture: POPETPOP
  • Product Dimensions: 5.71 x 0.94 x 0.2 inches; 0.71 Ounces
  • Editor's Impressions Of The POPETPOP
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

POPETPOP Final Thoughts

"7 reading."

I think the people who said the suction cup broke. The non-working ones still provide 2 batteries each AND. So far, they're all doing their job in my four tanks and I am quite content. My poor fish was in 86 degrees water for a month. This thermometer is spot on accurate. I have it in both my aquariums now. Sure enough the digital thermometer was way off by 6 degrees!

Overall Score
3.0


(1 Points)

4. CoZroom LCD Digital Aquarium Thermometer for Fish Tank Water Vivarium Temperature Sensor, Pack of 3,...

User Ratings: 52 15

CoZroom First Impressions

"Just sayin'."

The suction works for a month at a time- in pool and hot tub circulation. I ordered a new one and it works GREAT! I ordered this guy and it was 6 degrees hotter than the digital! I got the second one as a bonus that I'm now using in my old tank. So far, they're all doing their job in my four tanks and I am quite content. I used these to raise chicks, and in my parrot cages. Still a recommendation for me due to price and accuracy.

  • CoZroom LCD Digital Aquarium Thermometer for Fish Tank Water Vivarium Temperature Sensor, Pack of 3, Black
  • Reliable and good-working thermometer for your fish tank or terrarium.
  • Sustains a temperature range of -50℃ - 70℃ and operates within -10℃ - 50℃.
  • The glass aquarium thermometer is designed with a LCD display for easy reading.
  • Works with a high accuracy of 1 degree to set the water at the exact temperature for the fishes and animals.
  • Powered by two button batteries.
  • Manufacture: CoZroom
  • Product Dimensions: 3.54 x 0.79 x 5.12 inches; 0.32 Ounces
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The CoZroom
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

CoZroom Final Thoughts

"Would recommend!"

Ordered three of these and they do the job. However, Lucy at Zacro read this review and emailed me. These digital thermometers are great and there is no guesswork involved. I find that the temps are accurate, and this product gives added peace of mind. He acted aggressively towards it and so I ultimate ended up removing it due to that. The suction will never be the same. You can glue, tape or simply cover the cords in the tank to keep them discreet.

Overall Score
3.8


(133 Points)

5. NITRIP Digital Aquarium Thermometer, DC16 LCD Waterproof Temperature Thermometer for Fish Tank

Nitrip First Impressions

"2-degrees."

A battery can last you up to six months, I'd say, but expect more like three. This doesn't bother me as it ws so cheap. Since it is a mercury thermometer, it is very accurate. The display can be set to Fahrenheit or Celsius. So this is the extreme end of the high temperature range. For something so cheap, they are working remarkably well. So much easier than the ones that hang on the inside.

  • NITRIP Digital Aquarium Thermometer, DC16 LCD Waterproof Temperature Thermometer for Fish Tank
  • With a Large LCD screen: easy to read the temperature at a glance.
  • Very precise: this thermometer is accurate enough to create readings within 0.1 degree.
  • No sensor cable needed, simply attaches to the interior of your aquarium with the suction cup.
  • High and low temperature automatic alarm: default high temperature 28℃, low temperature of 18℃.
  • Wireless with integrated probe and waterproof design, perfect for fish tank or other place.
  • Manufacture: NITRIP
  • Product Dimensions: 1.97 x 1.97 x 1.97 inches; 1.2 Ounces
  • Editor's Impressions Of The Nitrip
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Nitrip Final Thoughts

"I like these."

I bent it a little bit and when I put it back it was perfectly fine. I don't think i'll ever be able to trust a digital thermometer again. One of my aquariums is glass, and the other two are plastic. So much so that I purchased a second set of 6. I have it in both my aquariums now. I used to have a large hang in the side tank that you couldn't miss. I find that the temps are accurate, and this product gives added peace of mind.

Overall Score
3.0


(1 Points)

6. Lifestyler New Glass Meter Aquarium Fish Tank Water Temperature Thermometer Suction Cup

Lifestyler First Impressions

"Never had any problems."

This company is taking the long term view of how to do business right. So versatile, I can read the temperatures literally anywhere. The display can be set to Fahrenheit or Celsius. 6 inch long Bala Sharks that are known to be very unruly and boisterous. I bought these for my dwc reservoirs. Works well in my betta tank, but provide a couple hours for it to read temp changes. I needed a solution that was not breakable and these do the trick!

  • Lifestyler New Glass Meter Aquarium Fish Tank Water Temperature Thermometer Suction Cup
  • Clearly readable scale tells you to understand the temperature at two degrees Celsius and Fahrenheit.
  • Since this thermometer is in the tank, it reads the water temperature exactly as it is.
  • It is floating and fixed by the attached sucker.
  • Easy to install, simply place it in the tank and connect the suction cup to the inside of the tank for easy reading.
  • Test range: 0 ~ 40 ℃
  • Manufacture: Lifestyler
  • Item Weight: 1.76 Ounces
  • Editor's Impressions Of The Lifestyler
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Lifestyler Final Thoughts

"Appears to be accurate."

I think the people who said the suction cup broke. When I set up my newest tank I will be getting another one of these. And is easily hidden behind a plant. The display can be set to Fahrenheit or Celsius. This doesn't bother me as it ws so cheap. One extra battery came with each unit. You can glue, tape or simply cover the cords in the tank to keep them discreet.

Overall Score
5.0


(1 Points)

7. Vacally New Glass Meter Aquarium Fish Tank Water Thermometer Suction Cup Aquarium Glass Thermometer ...

User Ratings: 57

Vacally Aquarium Accessories First Impressions

"Very accurate."

I used these to raise chicks, and in my parrot cages. Now if it falls into a sink full of water, it's not a problem. The suction will never be the same. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. It is large enough to see without being obtrusive. This is my first 5 star review out of many many reviews on Amazon. Works well in my betta tank, but provide a couple hours for it to read temp changes.

  • Vacally New Glass Meter Aquarium Fish Tank Water Thermometer Suction Cup Aquarium Glass Thermometer Salt Marine
  • ❤Material: glass ❤Test range: 0 ~ 40 ℃ ❤ Size: about 10.5cm ❤Quantity: 1
  • ❤Clearly readable scale tells you to understand the temperature at two degrees Celsius and Fahrenheit.
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  • Manufacture: SJHDFI49
  • Product Dimensions: 4.13 x 0.39 x 0.39 inches; 0.6 Ounces
  • Editor's Impressions Of The Vacally Aquarium Accessories
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Vacally Aquarium Accessories Final Thoughts

"Great price."

Ordered three of these and they do the job. It is easy to use and install it'disappears' in your tank it is so unobtrusive. If the digital display starts to get dim, it's time for a new battery. I got the second one as a bonus that I'm now using in my old tank. So this is the extreme end of the high temperature range. 49 thermometer that is 100% accurate. And I just really started to doubt it.

Overall Score
4.6


(2 Points)

8. MECO(TM) Aquarium Fish Tank Suction Glass Temperature Thermometer

User Ratings: 66

GOZIER First Impressions

"Suction cups fail."

I am extremely pleased with this product. I have bought many many temperature gauges for my various fish tanks over the years. I was using one of those ubiquitous cheap digital thermometers on Amazon. 6F all six took about three minutes to read between 88. Simple fix, you adjust the thermometer within the suction cup and VIOLA! When and if we run out of this batch, I'll instantly order another batch. I had my heater set at 73-degrees and the thermometers showed 74.

  • MECO(TM) Aquarium Fish Tank Suction Glass Temperature Thermometer
  • Is a long version that easily attaches to your tank with the suction cap provided.
  • Just drop it in the tank and attached the suction cup to the inside of the tank for easy and accurate reading.
  • Clear and easy to read scale. Clear tells you what the temperature is in both Celsius and Fahrenheit degrees.
  • Permanently sealed glass of the floating thermometer with suction cup for your fish tank and aquarium is easy to clean.
  • Being that this thermometer is inside the tank, it gives a much accurate reading of the water temperature than those placed on the outside.
  • Editor's Impressions Of The GOZIER
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

GOZIER Final Thoughts

"2 deg of 32."

I'm pretty sure those reviewers have acrylic tanks. I recommend gluing the suction cups in place where needed for long-term installation. Have checked them against the glass thermometers and the accuracy is right on. I removed the batteries of the units I wasn't using right away. These digital thermometers are great and there is no guesswork involved. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. It worked great and I highly recommend it!

Overall Score
4.7


(4 Points)

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

User Ratings: 68 6

Neptonion First Impressions

"The hotter, the faster."

I used these to raise chicks, and in my parrot cages. You can use the thermometer with or without the plastic suction cup. It is large enough to see without being obtrusive. It works equally well on all of them. The display can be set to Fahrenheit or Celsius. Works well in my betta tank, but provide a couple hours for it to read temp changes. For the price I'll probably end up putting these in all of my aquariums.

  • 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

"Subtracted from the tank."

Who knows, whatever it was, it was revolting! Bought the two pack of thermometers. 49 thermometer that is 100% accurate. We are using them to measure various temperatures inside and outside of a motorhome. Works well in my betta tank, but provide a couple hours for it to read temp changes. Personally I do not mind the way it looks in my aquarium. I am extremely pleased with this product.

Overall Score
4.4


(386 Points)

10. Lifegard Aquatics Full-View 5 Gallon Aquarium R800204 with LED Light Heater Thermometer, Net & Built...

User Ratings: 46 24

Lifegard Aquatics R800204 First Impressions

"The hotter, the faster."

If the digital display starts to get dim, it's time for a new battery. Works well in my betta tank, but provide a couple hours for it to read temp changes. Have checked them against the glass thermometers and the accuracy is right on. These are the perfect size to be easily read while not being obtrusive. So, in those cases, I find it easier to simply replace it. Put them all in the same tank and they read very close to each other. One extra battery came with each unit.

  • Lifegard Aquatics Full-View 5 Gallon Aquarium R800204 with LED Light Heater Thermometer, Net & Built-in Back Filter with Pump
  • Clear angled front glass for greater viewing area
  • Pump included in the full built-in back filter
  • Bonus items included - Full spectrum LED light, heater, thermometer, Net and algae magnet
  • Water level control
  • Insulation base pad
  • Manufacture: Lifegard Aquatics
  • Product Dimensions: 14 x 14 x 10 inches; 18 Pounds
  • Editor's Impressions Of The Lifegard Aquatics R800204
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Lifegard Aquatics R800204 Final Thoughts

"It's accurate I tell you."

Since adding one of these, it has been much easier to monitor the temp of my tanks. I have kept aquariums for about 45 years. Ordered three of these and they do the job. When I set up my newest tank I will be getting another one of these. For something so cheap, they are working remarkably well. SIX Digital Thermometers with SIX batteries INCLUDED working so well. This little wonder allows me to see at a glance that everything is as it should be.

Overall Score
3.4


(5 Points)

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