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
  • Quality
  • Value For Money
  • Affordability

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


(13 Points)

2. DEVMO 2PCS Digital LCD Thermometer Temperature Gauge Aquarium with Probe for Vehicle Reptile Terrari...

User Ratings: 41 15

DEVMO First Impressions

"Very accurate."

These things are useful for a lot besides pet husbandry, too. Water tested with Autidefy brand for two hours. Simple fix, you adjust the thermometer within the suction cup and VIOLA! I was using one of those ubiquitous cheap digital thermometers on Amazon. So far, they're all doing their job in my four tanks and I am quite content. This doesn't bother me as it ws so cheap. Checked with temp gun and the terrarium was on target at 88.

  • DEVMO 2PCS Digital LCD Thermometer Temperature Gauge Aquarium with Probe for Vehicle Reptile Terrarium Fish Tank Refrigerator(Fahrenheit) Black
  • ★Remote wired probe can read temperature up to 3.3 feet away
  • ★Temperature range: -58°F~ +199°F
  • ★Designed to be embedded or can be surface mounted
  • ★Battery Operated (included) (Aprox 2 year battery life)Size 1"x1.75"
  • ★Mounting Hole Size 1"x 1.75" (0.5" deep).
  • Manufacture: DEVMO
  • Item Weight: 0.634 ounces
  • Editor's Impressions Of The DEVMO
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

DEVMO Final Thoughts

"They all were within."

Bought the two pack of thermometers. You can glue, tape or simply cover the cords in the tank to keep them discreet. I had my heater set at 73-degrees and the thermometers showed 74. Then she followed up again on that, asking if they had arrived and were okay. Personally I do not mind the way it looks in my aquarium. Love it, it's easy to read and keeps an accurate temp. Ambient room temperature measures 72.

Overall Score
3.7


(7 Points)

3. Zonon 15 Pieces Stick-on Digital Thermometer Strip LCD Thermometer Strip Digital Thermometer Strip A...

User Ratings: 54 12

Zonon 813 First Impressions

"And he is a betta."

I've checked it against two other thermometers that are accurate. So much so that I purchased a second set of 6. I just wrote it off as a minor loss. I am extremely pleased with this product. Since it is a mercury thermometer, it is very accurate. When I set up my newest tank I will be getting another one of these. Ambient room temperature measures 72.

  • Zonon 15 Pieces Stick-on Digital Thermometer Strip LCD Thermometer Strip Digital Thermometer Strip Adhesive Crystal Temperature Strips Aquarium Sticker for Aquarium Display
  • Quantity of liquid crystal thermometer: 15 pieces digital temperature strips in total, each measures approx. 13 x 1.8 cm/ 5.12 x 0.71 inches (LW), proper size to use
  • Clear temperature scale: simply designed with clear scale, 2 different temperature readings for you, one is Celsius reading, ranges from 18 - 34 degrees Celsius, the other one is corresponding Fahrenheit reading, ranges from 64 - 93 degrees Fahrenheit, suitable for different groups of people
  • Convenient to read: 3 colored marking that can indicate the temperature situation, which can change with the water temperature, each color represents different water temperature condition, they can be seen clearly and quickly from the surface
  • Easy to use: the thermometer strip is self adhesive one, you can directly stick it to the outside part of fish tank, better to be pasted below the water level, not applicable in the water, you can check the temperature condition of fish tank at any time
  • Applicable occasions: suitable for wine bottles, baby bottles, fish tanks, bath water, you can get the accurate reading, green color represents current temperature, blue color represents a bit lower temperature, brown color represents a bit higher temperature
  • Manufacture: Zonon
  • Editor's Impressions Of The Zonon 813
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zonon 813 Final Thoughts

"1 degrees F at all times."

Since it is a mercury thermometer, it is very accurate. For the price I'll probably end up putting these in all of my aquariums. I came here to give this product a positive review. We are using them to measure various temperatures inside and outside of a motorhome. The only reason I didn't give this 5 stars is because my betta fish didn't like it. 49 thermometer that is 100% accurate. This company is taking the long term view of how to do business right.

Overall Score
4.0


(55 Points)

4. 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
  • Quality
  • Value For Money
  • Affordability

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


(13 Points)

5. KORDON #39844 Rid Fungus for Aquarium, 4-Ounce

User Ratings: 52 26

Kordon MODEL-39844 First Impressions

"9, and 78."

This little wonder allows me to see at a glance that everything is as it should be. So far, they're all doing their job in my four tanks and I am quite content. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. The only reason I didn't give this 5 stars is because my betta fish didn't like it. The digital display is nice and small as well. So, in those cases, I find it easier to simply replace it. Set all six probes up in a terrarium with a constant temp of 88.

  • KORDON #39844 Rid Fungus for Aquarium, 4-Ounce
  • Kordon rid fungus 4oz
  • Kordon prevent ich is a strong preventative
  • Also serves as an effective external treatment of protozoans, din flagellates and fungi
  • Manufacture: KORDON LLC
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches; 0.32 Ounces
  • Editor's Impressions Of The Kordon MODEL-39844
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Kordon MODEL-39844 Final Thoughts

"Fish are doing very well."

You dont HAVE to stick the display onto your tank. Works well in my betta tank, but provide a couple hours for it to read temp changes. I have mine on my 60 gallon cube marine tank. You can not swivle the thermometer to face a certain way. I'm pretty sure those reviewers have acrylic tanks. I used to have a large hang in the side tank that you couldn't miss. My 50+ eyes cannot read a regular tank thermometer without squinting.

Overall Score
3.5


(6 Points)

6. DaToo Aquarium Thermometer Fish Tank Thermometer with Sucker, 1 Yr Warranty

User Ratings: 51

DaToo First Impressions

"THERE'S MORE!"

I got root rot after light leaks and high water temps. So much so that I purchased a second set of 6. Place it on your aquarium and you are good to go. I find that the temps are accurate, and this product gives added peace of mind. Now that the chickens are grown, I have one out in the coop as well. A bit large for anything smaller than 5 gallons, but that's to be expected. The digital display is nice and small as well.

  • DaToo Aquarium Thermometer Fish Tank Thermometer with Sucker, 1 Yr Warranty
  • SIMPLE DESIGN - The DaToo Aquarium Thermometer is an attractive but simple designed unit with no over-complicated controls. The unit itself is blue, and features a clear plastic trim around the edges.
  • WATERPROOF And Wireless - The aquarium thermometer is completely waterproof, you can put it in the fish tank, real-time monitoring of water temperature. Without any cables, make your fish tank look cleaner and increase the playing space of the fish, it will not be bothered by cables.
  • VERY SIMPLE TO OPERATE - Don't need additional instructions. This is the simplest aquarium thermometer on the market with no buttons to operate. Your child can also use it easily!
  • SUCTION PAD FOR EASE OF PLACEMENT - Just find the best spot in the fish tank, then attach the unit with the small suction pad which will keep the thermometer in place until removal is required.
  • WIDE RANGE - The temperature range is from -58°F to 158°F allowing you to use this aquarium thermometer in the majority of temperature conditions.
  • Manufacture: DaToo
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The DaToo
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

DaToo Final Thoughts

"2 degrees of each other."

Very accurate, have checked it with other thermometers as well. Then is started to give a low reading, and it is not reading the correct temperature. These digital thermometers are great and there is no guesswork involved. It works equally well on all of them. I guess these units do not like saltwater. I used to have a large hang in the side tank that you couldn't miss. I ordered a new one and it works GREAT!

Overall Score
4.5


(2 Points)

7. Penn Plax PP37201 Digital Aquarium Thermometer

User Ratings: 60

Penn-Plax First Impressions

"So far loving it."

So the extra units will always come in handy. The digital display itself is easy to read at a glance. In the right situation this magnet thermometer is the best available. Works well in my betta tank, but provide a couple hours for it to read temp changes. He acted aggressively towards it and so I ultimate ended up removing it due to that. The lid is textured aluminum, and the suction cups don't stick to that. I bought these for my dwc reservoirs.

  • Penn Plax PP37201 Digital Aquarium Thermometer
  • Clear numbers for easy readings
  • Displays Fahrenheit and Celsius temperatures
  • Pressure-sensitive backing mounts outside of tank
  • Manufacture: Penn Plax
  • Editor's Impressions Of The Penn-Plax
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Penn-Plax Final Thoughts

"Great for price."

This doesn't bother me as it ws so cheap. You can glue, tape or simply cover the cords in the tank to keep them discreet. I have to admit I had two reasons for buying six. I have kept aquariums for about 45 years. I just wrote it off as a minor loss. I read some of the 1 star reviews and most of them are not about the product. Since it is a mercury thermometer, it is very accurate.

Overall Score
4.6


(3 Points)

8. uxcell Temperature Gauge Aquarium Thermometer Celsius with Probe for Fish Tank 3pcs

User Ratings: 69

uxcell First Impressions

"Currently maintains a 76."

Then is started to give a low reading, and it is not reading the correct temperature. Water tested with Autidefy brand for two hours. One of my aquariums is glass, and the other two are plastic. 6 in a pack, extra batteries, easy set up, great price. Personally I do not mind the way it looks in my aquarium. So this is the extreme end of the high temperature range. Now that the chickens are grown, I have one out in the coop as well.

  • uxcell Temperature Gauge Aquarium Thermometer Celsius with Probe for Fish Tank 3pcs
  • Temperature range: -50℃ ~ 110℃ (-58°F ~ + 158°F)
  • Designed to be embedded or can be surface mounted
  • Battery Operated (included) (Aprox 2 year battery life)
  • Remote wired probe can read temperature up to 3.3 feet away
  • Perfect for use in refrigerator, aquarium tank, fish tank, pet cage, bedroom or any other place that requires monitoring of temperature.
  • Manufacture: Uxcell
  • Part Number: A19010400ux0395
  • Item Weight: 3.45 ounces
  • Size: 3 Piece
  • Power Source: Battery Powered
  • Batteries Required?: No
  • Editor's Impressions Of The uxcell
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell Final Thoughts

"All you need."

It is my opinion that everyone should have these that are in the Aquarium Hobby. I read some of the 1 star reviews and most of them are not about the product. My only complaint is that they tend to be a one time use. This company is taking the long term view of how to do business right. SIX Digital Thermometers with SIX batteries INCLUDED working so well. Far more accurate than the usual small glass ones or external LCD strips. I have this thermometer on all my tanks.

Overall Score
4.1


(4 Points)

9. Dimart Boyu Bt-08 Premium Aquarium Digital Thermometer Digital Thermostat Oven Thermometer Thermosta...

Dimart First Impressions

"Exactly what I needed."

Put them all in the same tank and they read very close to each other. Since it is a mercury thermometer, it is very accurate. The units each had a battery in place and situated for immediate use. I had my heater set at 73-degrees and the thermometers showed 74. I ordered a new one and it works GREAT! Since adding one of these, it has been much easier to monitor the temp of my tanks. Have checked them against the glass thermometers and the accuracy is right on.

  • Dimart Boyu Bt-08 Premium Aquarium Digital Thermometer Digital Thermostat Oven Thermometer Thermostat Thermometer with Probe Vehicle Fish Tank Aquarium Refrigerator Embedded (Black)
  • Wireless with integrated probe for easy use.
  • Ideal for Aquarium or terrarium temperature monitoring
  • Easy-to-read LCD displays temperature in Fahrenheit or Celsius
  • Enjoy convenient monitoring of parameters essential to Fish and reptile health
  • Best choice for your home fish tank & aquariums.
  • Manufacture: Dimart
  • Editor's Impressions Of The Dimart
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Dimart Final Thoughts

"Currently maintains a 76."

I just wrote it off as a minor loss. In this scenario it would probably get knocked loose a lot. I am extremely pleased with this product. 50 thermometers, reads much easier and no suction cup residue, also looks better. Then she followed up again on that, asking if they had arrived and were okay. So, in those cases, I find it easier to simply replace it. So far I've been very thrilled with these.

Overall Score
5.0


(2 Points)

10. IS Icstation Digital Thermometer, Car Auto Temperature Gauge Sensor, DC 4-28V Fahrenheit Dual Displa...

User Ratings: 62 11

IS 13649 First Impressions

"Very easy to read."

Only thing I don't love is how long the cord is. I got root rot after light leaks and high water temps. Since adding one of these, it has been much easier to monitor the temp of my tanks. A battery can last you up to six months, I'd say, but expect more like three. You can glue, tape or simply cover the cords in the tank to keep them discreet. Then she followed up again on that, asking if they had arrived and were okay. I think the people who said the suction cup broke.

  • IS Icstation Digital Thermometer, Car Auto Temperature Gauge Sensor, DC 4-28V Fahrenheit Dual Display, Monitor with 2 NTC Waterproof Probes for Aquarium Vehicle Fish Tank
  • NTC WATERPROOF PROBES - This aquarium thermometer uses high-precision NTC waterproof metal sensor probes to measure the water temperature of the aquarium.
  • DUAL SENSOR PROBES - Comes with 2 probes, enabling the thermometer to test the temperatures of two different places. For example, measuring the temp of indoor&outdoor or two different tanks at the same time.
  • RED&BLUE DISPLAY - Icstation temp sensor uses a HD LCD display to let you know the Fahrenheit temperature of the fish tank in real time, thus providing a healthy and comfortable water environment for your lovely fishes. The clear red and blue display makes it easy to read temperatures no matter in bright and dark.
  • WIDE TEMP RANGE - Temperature Range -58 ℉ ~ +257℉(Fahrenheit); Temperature measurement accuracy: ±1℉ (±0.1℉ when temperature within -9.9~99.9F). It can be not only used in water but also used to measure the air temperature. But the water temperature will be more accurate than that of air.
  • 3 FEET WIRES - With 1 meter long wires, it is flexible to place the 2 sensor probes in aquarium tank, fish tank, reptile terrarium, refrigerator, brooders, vehicle or any other place that requires monitoring of temperature.
  • ICStation has 9 years experience on electronic industry products
  • Welcome to ask for discount for bulk purchase
  • Provide technical assistance
  • Manufacture: icstation
  • Editor's Impressions Of The IS 13649
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

IS 13649 Final Thoughts

"This is perfect."

Then she followed up again on that, asking if they had arrived and were okay. We are using them to measure various temperatures inside and outside of a motorhome. So versatile, I can read the temperatures literally anywhere. The plastic from the suction cup quickly turned from a clear to a milky white. Still a recommendation for me due to price and accuracy. Since it is a mercury thermometer, it is very accurate. So, in those cases, I find it easier to simply replace it.

Overall Score
4.1


(105 Points)

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