Editor's Choice - Our Favorite General Tools Aquarium Thermometers

1. 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)

2. AQUANEAT 6 Pack Aquarium Thermometer, Reptile Thermometer, Fish Tank Thermometer, Digital Thermomete...

User Ratings: 58 8

AQUANEAT DT-A045x6 First Impressions

"Very accurate."

In this scenario it would probably get knocked loose a lot. Then is started to give a low reading, and it is not reading the correct temperature. I have this thermometer on all my tanks. Now if it falls into a sink full of water, it's not a problem. So, in those cases, I find it easier to simply replace it. I had my heater set at 73-degrees and the thermometers showed 74. I have mine on my 60 gallon cube marine tank.

  • AQUANEAT 6 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-A045x6
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AQUANEAT DT-A045x6 Final Thoughts

"No complaints."

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. Works well in my betta tank, but provide a couple hours for it to read temp changes. So far I've been very thrilled with these. I recommend gluing the suction cups in place where needed for long-term installation. I have to admit I had two reasons for buying six. Checked with temp gun and the terrarium was on target at 88.

Overall Score
4.1


(219 Points)

3. Marina " Diameterorado", 66 to 88 F / 19 to 31 C

User Ratings: 57 15

Marina 11223 First Impressions

"Very accurate."

This company is taking the long term view of how to do business right. I needed a solution that was not breakable and these do the trick! The suction works for a month at a time- in pool and hot tub circulation. The plastic from the suction cup quickly turned from a clear to a milky white. Then is started to give a low reading, and it is not reading the correct temperature. I got root rot after light leaks and high water temps. Then is started to give a low reading, and it is not reading the correct temperature.

  • Marina " Diameterorado", 66 to 88 F / 19 to 31 C
  • Easy To Mount Thermometer For Glass Aquariums
  • Measures In Celsius And Fahrenheit
  • Temperature Range Of 66 To 88-Degree Fahrenheit And 19 To 31-Degree Celsius
  • Equipped With Adhesive Backing For Durable Hold
  • Measures 3-inch long
  • Manufacture: Marina
  • Product Dimensions: 0.3 x 3 x 7 inches; 0.32 Ounces
  • Editor's Impressions Of The Marina 11223
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Marina 11223 Final Thoughts

"That adds peace of mind."

I find that the temps are accurate, and this product gives added peace of mind. I ordered a new one and it works GREAT! Very accurate, have checked it with other thermometers as well. 89 I could buy Six Thermometers with Six included batteries. One being a very expensive digital. I've checked it against two other thermometers that are accurate. He was moving slow in the winter and we realized he needed a heater!

Overall Score
4.0


(47 Points)

4. 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)

5. Stick On Thermometer Strip, Digital Temperature Display for Fermenting, Brewing, Wine, Beer, Kombuch...

User Ratings: 75 4

Propagate Pro PPTS1-V First Impressions

"Perfect customer service."

It is always where yo last put it and it is very easy to see and read. It is large enough to see without being obtrusive. Very impressed, I have now had them in used for a month so far. This temperature read a perfect 32 degrees. The extra batteries where very much appreciated and came in handy. He was moving slow in the winter and we realized he needed a heater! I use a small flashlight if I don't want to brighten the area.

  • Stick On Thermometer Strip, Digital Temperature Display for Fermenting, Brewing, Wine, Beer, Kombucha or Aquariums. 50-90F (10-32C) Adhesive Sticker Vertical 5 or 10 Pack (5)
  • 5 or 10 Piece Vertical Set in Resealable Bag - Also in Horizontal Version B07DFW3Z9M
  • Dimensions: 4.75 x 1.0 inch / 120 x 25 mm
  • Measuring range: 10~32 Degree C (50~90 Degree F)
  • Adhesive on the back, just peel off the tape and attach to the outside surface, One time use
  • Color Changing Highly Accurate Temperature Readings
  • Manufacture: Heezy LLC
  • Item Weight: 0.5 ounces
  • Product Dimensions: 4.72 x 1 x 0.1 inches
  • Editor's Impressions Of The Propagate Pro PPTS1-V
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Propagate Pro PPTS1-V Final Thoughts

"Great price too."

89 I could buy Six Thermometers with Six included batteries. I was using one of those ubiquitous cheap digital thermometers on Amazon. I bent it a little bit and when I put it back it was perfectly fine. I'm pretty sure those reviewers have acrylic tanks. Excellent working for our bearded dragon tank. Simple fix, you adjust the thermometer within the suction cup and VIOLA! I had my heater set at 73-degrees and the thermometers showed 74.

Overall Score
4.6


(592 Points)

6. Zoo Med Laboratories SZMHC10 Hermit Crab Thermometer

User Ratings: 84 8

Zoo Med 976001 First Impressions

"And he is a betta."

Then is started to give a low reading, and it is not reading the correct temperature. I removed the batteries of the units I wasn't using right away. I used these to raise chicks, and in my parrot cages. I used these on a number of my aquariums that have discus fish in them. 49 thermometer that is 100% accurate. One extra battery came with each unit. You dont HAVE to stick the display onto your tank.

  • Zoo Med Laboratories SZMHC10 Hermit Crab Thermometer
  • Zoo Med Laboratories Hermit Crab Thermometer
  • High range LCD thermometer for monitoring the temperature in your crabs terrarium
  • Allows precise monitoring of both temperature and humidity in your hermit crabs home
  • Manufacture: TopDawg Pet Supply
  • Product Dimensions: 0.02 x 0.02 x 0.02 inches; 0.32 Ounces
  • Editor's Impressions Of The Zoo Med 976001
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zoo Med 976001 Final Thoughts

"It's accurate I tell you."

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. 6F all six took about three minutes to read between 88. And is easily hidden behind a plant. Ordered three of these and they do the job. I just wrote it off as a minor loss. The suction will never be the same.

Overall Score
4.5


(21 Points)

7. uxcell Temperature Gauge Aquarium Thermometer Celsius with Probe for Fish Tank

uxcell First Impressions

"Just received it today."

I used these to raise chicks, and in my parrot cages. The non-working ones still provide 2 batteries each AND. I've checked it against two other thermometers that are accurate. My only complaint is that they tend to be a one time use. We are using them to measure various temperatures inside and outside of a motorhome. It worked great and I highly recommend it! Works well in my betta tank, but provide a couple hours for it to read temp changes.

  • uxcell Temperature Gauge Aquarium Thermometer Celsius with Probe for Fish Tank
  • 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: A19010400ux0393
  • Item Weight: 0.81 ounces
  • Size: 1 Piece
  • Power Source: Battery Powered
  • Batteries Required?: No
  • Editor's Impressions Of The uxcell
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell Final Thoughts

"Great deal."

In the right situation this magnet thermometer is the best available. They reviewed the packaging or shipping by saying it arrived broken. 49 thermometer that is 100% accurate. This temperature read a perfect 32 degrees. So, in those cases, I find it easier to simply replace it. Love it, it's easy to read and keeps an accurate temp. I recommend gluing the suction cups in place where needed for long-term installation.

Overall Score
3.0


(1 Points)

8. Aquarium Digital Thermometer

User Ratings: 52

AquaTop DTG-25 First Impressions

"Versatile."

I came here to give this product a positive review. The only reason I didn't give this 5 stars is because my betta fish didn't like it. When I set up my newest tank I will be getting another one of these. So the extra units will always come in handy. You can glue, tape or simply cover the cords in the tank to keep them discreet. This little wonder allows me to see at a glance that everything is as it should be. Bought the two pack of thermometers.

  • Aquarium Digital Thermometer
  • Included Components: Atp Thermometer External Dual
  • Age Range Description: All Life Stages
  • Manufacture: Aquatop
  • Product Dimensions: 8 x 3 x 2 inches; 3.84 Ounces
  • Editor's Impressions Of The AquaTop DTG-25
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AquaTop DTG-25 Final Thoughts

"They are within 0."

A battery can last you up to six months, I'd say, but expect more like three. This company is taking the long term view of how to do business right. I got the second one as a bonus that I'm now using in my old tank. Love it, it's easy to read and keeps an accurate temp. Now if it falls into a sink full of water, it's not a problem. 50 thermometers, reads much easier and no suction cup residue, also looks better. It started working as soon as I put it in and has been working ever since.

Overall Score
4.0


(3 Points)

9. Genuine Pavia Rectal Temp Veterinary Thermometer for Dogs, Cats, Horses, Pets and Livestock. Accurat...

Pavia Rectal Temp Veterinary Thermometer First Impressions

"89 plus free shipping."

Now if it falls into a sink full of water, it's not a problem. One of my aquariums is glass, and the other two are plastic. These digital thermometers are great and there is no guesswork involved. The non-working ones still provide 2 batteries each AND. The units each had a battery in place and situated for immediate use. As you can see from my photos, in both°F and°C, all six are within. For the price I'll probably end up putting these in all of my aquariums.

  • Genuine Pavia Rectal Temp Veterinary Thermometer for Dogs, Cats, Horses, Pets and Livestock. Accurate Temps in Only 6 Seconds. Beeps When Ready. Trusted by Veterinarians, Breeders and Pet Owners.
  • PAVIA VETERINARY THERMOMETER: Fast, accurate rectal temps in as quick as 6 seconds. Used in veterinary clinics the world over, now available direct to kennels, rescues, shelters, breeders and pet owners everywhere.
  • FAST AND ACCURATE: Stable, accurate temperature readings in as quick as 6 seconds. Accurate to within +/- 0.2°F. Beeps when ready.
  • VERSATILE &ERGONOMIC: The small-diameter, 3-inch-long probe enables temperature taking of any size animal. Designed for easy holding and operation. Large, easy-view, 4-digit LCD.
  • RUGGED & DEPENDABLE: Tough, smooth exterior disinfects easily with soap or alcohol. Probe covers are not required. Ready to use at the press of a button.
  • IN THE BOX: Pavia Rectal TEMP Veterinary Thermometer, two (2) AAA batteries, Instructions. 90-day warranty.
  • Manufacture: Pavia Sales Group
  • Editor's Impressions Of The Pavia Rectal Temp Veterinary Thermometer
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Pavia Rectal Temp Veterinary Thermometer Final Thoughts

"It is within."

I bought these for my dwc reservoirs. The units each had a battery in place and situated for immediate use. However, Lucy at Zacro read this review and emailed me. 82 PER THERMOMETER with battery included. My poor fish was in 86 degrees water for a month. Water tested with Autidefy brand for two hours. In the right situation this magnet thermometer is the best available.

Overall Score
5.0


(3 Points)

10. 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)

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