Editor's Choice - Our Favorite Pssopp Aquarium Thermometers

1. Mini Thermometer Hygrometer, Embedded LCD Digital Temperature Humidity Meter Gauge Monitor with Exte...

User Ratings: 65 11

Pssopp First Impressions

"Just received it today."

My only complaint is that they tend to be a one time use. The suction cups work well anywhere I have placed it it has not Fallen. It started working as soon as I put it in and has been working ever since. I guess these units do not like saltwater. So far, they're all doing their job in my four tanks and I am quite content. Who knows, whatever it was, it was revolting! 89 I could buy Six Thermometers with Six included batteries.

  • Mini Thermometer Hygrometer, Embedded LCD Digital Temperature Humidity Meter Gauge Monitor with External Probe for Incubators, Brooders, Reptile Tank, Aquarium, Fish Tank
  • High Precision - Temperature measurement accuracy up to ±1 Celsius Degree (under normal temperature), humidity measurement accuracy ±5%.
  • 2 in 1 Meter - Integrated the thermometer and hygrometer in one meter, allows you easily and fast to know the environment temperature and humidity, convenient to use.
  • Clear LCD Digital Display - LCD digital screen displays the number clearly, better visual effects, you can see the temperature or humidity in the distance.
  • Wide Application - Perfect to use in incubators, brooders, cigar room, reptile tank, aquarium, fish tank and other places where you want, offering a comfortable living surrounding for your pet or reptiles.
  • Measuring Range - The temperature humidity meter can measure the humidity in the range of 10%-99%, and temperature from -50℃ to 70℃ precisely.
  • Manufacture: Pssopp
  • Product Dimensions: 3.94 x 3.94 x 3.94 inches; 1.41 Ounces
  • Editor's Impressions Of The Pssopp
  • Thermometer Accuracy [star rating='4.4']
  • Quality [star rating='4']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='3.2']

Pssopp Final Thoughts

"Very easy to read."

6 inch long Bala Sharks that are known to be very unruly and boisterous. Good cheap accurate aquarium thermometer. As you can see from my photos, in both°F and°C, all six are within. 2 deg, if it was 32, it would be a SOLID block of ice. I guess these units do not like saltwater. I had my heater set at 73-degrees and the thermometers showed 74. 6F all six took about three minutes to read between 88.

Overall Score
4.2

[star rating="4.2"]
(13 Points)

2. Qguai Aquarium Thermometer, C/F Switch LCD Digital Fish Tank Thermometer with Large Clear Screen, Mo...

User Ratings: 70 6

Qguai First Impressions

"Very easy to read."

I have always had trouble reading the color temp. It is about 6 inches in length and roughly an inch wide. It is easy to use and install it'disappears' in your tank it is so unobtrusive. The display can be set to Fahrenheit or Celsius. So much easier than the ones that hang on the inside. So the extra units will always come in handy. The temperature fluctuated a lot with it.

  • Qguai Aquarium Thermometer, C/F Switch LCD Digital Fish Tank Thermometer with Large Clear Screen, Monitor Water Terrarium Temperature, No Messy Wires in Your Saltwater Freshwater and Reef Aquarium.
  • Simple and Sleek Aquarium Thermometer: Digital number display on large clear screen ensures you to read current temperature quickly and accurately without any blind zone. no probe or messy wires in water reduce electronic component aging problem.
  • Accurately monitor water temperature in Fahrenheit or Celsius: Just press “up” or “down” to switch C / F, and this temperature thermometer will display reading from 0C to 70C / 32F - 158F with precision backside temperature probe stick on the fish tank, it is accurate to 0.1.
  • Easy to set up safe zone: This Self-adhensive fish tank thermometer is powered by CR2032 (included), you just need to tear down the film and stick it to the outside of your fish tank. Specially made insulative tape is easy to remove and will not leave any stain on your fish tank.
  • Wide application: Suitable for different water types such as fresh water, tap water, salt water, marine water, can be used as terrarium thermometer to monitor the living temperature for reptile such as lizard, turtle.
  • Our Fish Aquarium Thermometer is backed by 6 Month Warranty. Contact us if you have any problem.
  • Manufacture: Qguai
  • Batteries: 2 Product Specific batteries required. (included)
  • Editor's Impressions Of The Qguai
  • Thermometer Accuracy [star rating='5']
  • Quality [star rating='3.8']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='4']

Qguai Final Thoughts

"Would buy again."

Ordered three of these and they do the job. This temperature read a perfect 32 degrees. Good cheap accurate aquarium thermometer. The display can be set to Fahrenheit or Celsius. I had my heater set at 73-degrees and the thermometers showed 74. However, Lucy at Zacro read this review and emailed me. All were Close enough for a fish tank and other uses.

Overall Score
4.4

[star rating="4.4"]
(244 Points)

3. Fluval Wireless 2in1 Digital Thermometer

User Ratings: 69 7

Fluval 11193 First Impressions

"Would recommend!"

Works well in my betta tank, but provide a couple hours for it to read temp changes. The suction will never be the same. Very accurate, have checked it with other thermometers as well. Instead she sent a new package of two, both of which work. I have mine on my 60 gallon cube marine tank. I came here to give this product a positive review. I came here to give this product a positive review.

  • Fluval Wireless 2in1 Digital Thermometer
  • 2-in-1: Measures water & room temperature accurately within 10C/20 F
  • Wireless technology: no probes or messy wires Large LCD display simultaneously shows aquarium and ambient room temperatures
  • Large, easy-to-read LCD Display
  • For fresh and saltwater aquariums
  • Manufacture: Rolf C. Hagen (USA) Corp.
  • Product Dimensions: 0.5 x 2.6 x 4.9 inches; 1.28 Ounces
  • Editor's Impressions Of The Fluval 11193
  • Thermometer Accuracy [star rating='3.4']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='4.5']

Fluval 11193 Final Thoughts

"Great product!"

The non-working ones still provide 2 batteries each AND. In this scenario it would probably get knocked loose a lot. Love it, it's easy to read and keeps an accurate temp. And is easily hidden behind a plant. Love it, it's easy to read and keeps an accurate temp. He acted aggressively towards it and so I ultimate ended up removing it due to that. Far more accurate than the usual small glass ones or external LCD strips.

Overall Score
4.4

[star rating="4.4"]
(318 Points)

4. Zoo Med Digital Aquatic Turtle Thermometer (2 Pack)

User Ratings: 41 29

Zoo Med TH26 First Impressions

"I like these."

This temperature read a perfect 32 degrees. I have this thermometer on all my tanks. 89 I could buy Six Thermometers with Six included batteries. The non-working ones still provide 2 batteries each AND. The digital display itself is easy to read at a glance. A bit large for anything smaller than 5 gallons, but that's to be expected. I used these to raise chicks, and in my parrot cages.

  • Zoo Med Digital Aquatic Turtle Thermometer (2 Pack)
  • Replacement Battery Included
  • Fully submersible
  • Fahrenheit Scale
  • Manufacture: Zoo Med Laboratories
  • Product Dimensions: 4 x 1 x 4 inches; 3.2 Ounces
  • Editor's Impressions Of The Zoo Med TH26
  • Thermometer Accuracy [star rating='2.5']
  • Quality [star rating='3.6']
  • Value For Money [star rating='2.7']
  • Affordability [star rating='3.4']

Zoo Med TH26 Final Thoughts

"Works perfect."

I don't think they are backlit but for the price they are still nice. The digital display is nice and small as well. I got root rot after light leaks and high water temps. I have it in both my aquariums now. 89 I could buy Six Thermometers with Six included batteries. When and if we run out of this batch, I'll instantly order another batch. One extra battery came with each unit.

Overall Score
3.3

[star rating="3.3"]
(45 Points)

5. 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 [star rating='3.4']
  • Quality [star rating='4.7']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4']

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

[star rating="4.4"]
(1325 Points)

6. Marina Floating Thermometer with Suction Cup

User Ratings: 70 5

Marina 11201A1 First Impressions

"So I guess I needed them!"

This thermometer is spot on accurate. So much so that I purchased a second set of 6. Still a recommendation for me due to price and accuracy. Personally I do not mind the way it looks in my aquarium. The digital display is nice and small as well. A bit large for anything smaller than 5 gallons, but that's to be expected. This is my first 5 star review out of many many reviews on Amazon.

  • Marina Floating Thermometer with Suction Cup
  • Easy to read floating aquarium thermometer with suction cups
  • Includes a safety zone indicator appropriate for most tropical fish
  • Equipped with suction cups to attach to the side of your fish tank
  • Ensures your aquarium is at the proper temperature
  • Thermometer is 4.25 inches tall
  • Manufacture: Marina
  • Product Dimensions: 7 x 4 x 1 inches; 0.35 Ounces
  • Editor's Impressions Of The Marina 11201A1
  • Thermometer Accuracy [star rating='3.9']
  • Quality [star rating='3.5']
  • Value For Money [star rating='3.7']
  • Affordability [star rating='4.8']

Marina 11201A1 Final Thoughts

"I like this."

A bit large for anything smaller than 5 gallons, but that's to be expected. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. The digital display itself is easy to read at a glance. They are within a degree or two of other thermometers I've checked to compare them. I am extremely pleased with this product. He acted aggressively towards it and so I ultimate ended up removing it due to that. This temperature read a perfect 32 degrees.

Overall Score
4.4

[star rating="4.4"]
(8702 Points)

7. uxcell Aquarium Fishbowl Dual Scale Thermometer Sticker Strip 2 in 1

User Ratings: 22 22

uxcell US-SA-AJD-33116 First Impressions

"Easy to setup in tank."

So this is the extreme end of the high temperature range. It works equally well on all of them. The suction will never be the same. So far, they're all doing their job in my four tanks and I am quite content. Only thing I don't love is how long the cord is. He acted aggressively towards it and so I ultimate ended up removing it due to that. I was using one of those ubiquitous cheap digital thermometers on Amazon.

  • uxcell Aquarium Fishbowl Dual Scale Thermometer Sticker Strip 2 in 1
  • Product Name : Aquarium Thermometer Sticker;Color : Black, White
  • Material : Plastic
  • Size : Rectangle: 13 x 1.9cm/ 5.1" x 0.75"(L*W)Round: 5cm/2"(Diamater)
  • Weight : 3g
  • Package Contents : 2 × Aquarium Thermometer Sticker
  • Manufacture: uxcell
  • Editor's Impressions Of The uxcell US-SA-AJD-33116
  • Thermometer Accuracy [star rating='3.2']
  • Quality [star rating='4.4']
  • Value For Money [star rating='3.5']
  • Affordability [star rating='2.8']

uxcell US-SA-AJD-33116 Final Thoughts

"Close enough I reckon!"

89 I could buy Six Thermometers with Six included batteries. One extra battery came with each unit. I needed a solution that was not breakable and these do the trick! Checked with temp gun and the terrarium was on target at 88. I have always had trouble reading the color temp. I tested this in a cup crammed full of ice and some water. Then she followed up again on that, asking if they had arrived and were okay.

Overall Score
3.6

[star rating="3.6"]
(3 Points)

8. Natural Color Glass Thermometer for Aquariums, Aquarium Floating Glass Thermometer with Suction for ...

AquariumH2o First Impressions

"Not just for aquariums!"

It is always where yo last put it and it is very easy to see and read. These things are useful for a lot besides pet husbandry, too. We are using them to measure various temperatures inside and outside of a motorhome. I needed a solution that was not breakable and these do the trick! I used these to raise chicks, and in my parrot cages. My 50+ eyes cannot read a regular tank thermometer without squinting. The digital display is nice and small as well.

  • Natural Color Glass Thermometer for Aquariums, Aquarium Floating Glass Thermometer with Suction for Fresh or Marine Fish Tank
  • Sealed glass, easy to clean
  • Up to 122 Fahrenheit 50 Celsius
  • Natural Color Glass Thermometer For Aquariums, Aquarium Floating Glass Thermometer with Suction for Fresh or Marine Fish Tank
  • This thermometer attaches easily to both plastic and glass walls, and features numbers that are easy to read and accurate readings.
  • Manufacture: United Aquatics, LLC.
  • Editor's Impressions Of The AquariumH2o
  • Thermometer Accuracy [star rating='4.2']
  • Quality [star rating='3.5']
  • Value For Money [star rating='3']
  • Affordability [star rating='3.5']

AquariumH2o Final Thoughts

"Suction cups are okay."

This temperature read a perfect 32 degrees. As you can see from my photos, in both°F and°C, all six are within. The lid is textured aluminum, and the suction cups don't stick to that. You can use the thermometer with or without the plastic suction cup. I recommend gluing the suction cups in place where needed for long-term installation. This is my first 5 star review out of many many reviews on Amazon. Since it is a mercury thermometer, it is very accurate.

Overall Score
4.0

[star rating="4"]
(1 Points)

9. SUKRAGRAHA Traditional Stick-on Aquarium Thermometers Temperature Strip Celsius Fahrenheit Display 1...

User Ratings: 72 5

SUKRAGRAHA First Impressions

"Love this product!"

This temperature read a perfect 32 degrees. I got root rot after light leaks and high water temps. I'm pretty sure those reviewers have acrylic tanks. These things are useful for a lot besides pet husbandry, too. I have mine on my 60 gallon cube marine tank. The display can be set to Fahrenheit or Celsius. I read some of the 1 star reviews and most of them are not about the product.

  • SUKRAGRAHA Traditional Stick-on Aquarium Thermometers Temperature Strip Celsius Fahrenheit Display 10 pc (18~34C Not for Fever)
  • 10 pcs Set
  • Dimensions: 5.12 x 0.71 inch / 13.0 x 1.8 cm
  • Measuring range: 18~34 Degree C (64~93 Degree F)
  • Adhesive by the back, just peel off the tape and attach to outside /surface of aquarium
  • Different temperature with different color
  • Manufacture: SUKRAGRAHA
  • Editor's Impressions Of The SUKRAGRAHA
  • Thermometer Accuracy [star rating='4.1']
  • Quality [star rating='4']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='4.2']

SUKRAGRAHA Final Thoughts

"Great price."

It is my opinion that everyone should have these that are in the Aquarium Hobby. The digital display itself is easy to read at a glance. 6 in a pack, extra batteries, easy set up, great price. I removed the batteries of the units I wasn't using right away. It is always where yo last put it and it is very easy to see and read. I bent it a little bit and when I put it back it was perfectly fine. 6 inch long Bala Sharks that are known to be very unruly and boisterous.

Overall Score
4.5

[star rating="4.5"]
(325 Points)

10. REPTI ZOO Reptile Terrarium Thermometer Hygrometer Dual Gauges Pet Rearing Box Reptile Thermometer a...

User Ratings: 64 5

REPTI ZOO First Impressions

"6 tenths of a degree."

The suction will never be the same. He was moving slow in the winter and we realized he needed a heater! When and if we run out of this batch, I'll instantly order another batch. I ordered a new one and it works GREAT! I don't think they are backlit but for the price they are still nice. Then is started to give a low reading, and it is not reading the correct temperature. I have mine on my 60 gallon cube marine tank.

  • REPTI ZOO Reptile Terrarium Thermometer Hygrometer Dual Gauges Pet Rearing Box Reptile Thermometer and Humidity Gauge
  • Accurate measure temperature and humidity in vivariums, hatchers, brooders, propagators, etc
  • Easy to read:uses different color coded segments for easy reading
  • Easy to install:sticky pad on reverse allows it to be mounted on most surfaces
  • No battery,energy saving and environmental protection
  • 100% quality guarantee:we provide 12 months quality guarantee,if you have any question about our product,please contact us,we will reply and help you in 24 hours
  • Manufacture: REPTI ZOO
  • Part Number: RHT01
  • Item Weight: 1.58 ounces
  • Batteries Included?: No
  • Batteries Required?: No
  • Editor's Impressions Of The REPTI ZOO
  • Thermometer Accuracy [star rating='3.3']
  • Quality [star rating='3.5']
  • Value For Money [star rating='4.9']
  • Affordability [star rating='5']

REPTI ZOO Final Thoughts

"2 degrees of each other."

This doesn't bother me as it ws so cheap. In the right situation this magnet thermometer is the best available. I have kept aquariums for about 45 years. Water tested with Autidefy brand for two hours. I am extremely pleased with this product. I use a small flashlight if I don't want to brighten the area. We are using them to measure various temperatures inside and outside of a motorhome.

Overall Score
4.3

[star rating="4.3"]
(262 Points)

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