Editor's Choice - Our Favorite AquaTop Aquarium Thermometers

1. AquaTop ATP Thermometer Submersible

User Ratings: 28 16

AquaTop DTG-15 First Impressions

"Very accurate."

So, in those cases, I find it easier to simply replace it. I have always had trouble reading the color temp. So far, they're all doing their job in my four tanks and I am quite content. For something so cheap, they are working remarkably well. Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK. I used to have a large hang in the side tank that you couldn't miss. My only complaint is that they tend to be a one time use.

  • AquaTop ATP Thermometer Submersible
  • The sleek, compact designs provide easy placement, making the DTG-15 and dtg-25 the perfect choice for aquariums of all sizes.
  • The digital thermometers are accurate to +/- 2 degrees Fahrenheit.
  • The DTG-15 is fully submersible and has a suction cup mount.
  • The dtg-25 has an adhesive back for easy installation and must be mounted externally.
  • Suction Cup mount
  • Manufacture: Aquatop
  • Product Dimensions: 8 x 3 x 2 inches; 1.41 Ounces
  • Editor's Impressions Of The AquaTop DTG-15
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AquaTop DTG-15 Final Thoughts

"I opened the first three."

I was using one of those ubiquitous cheap digital thermometers on Amazon. These digital thermometers are great and there is no guesswork involved. 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 can't say which is the most accurate and don't really care. So much easier than the ones that hang on the inside. This temperature read a perfect 32 degrees.

Overall Score
3.1


(6 Points)

Peoples Choice - Other Highly Rated AquaTop Aquarium Thermometers

2. 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)

3. Coralife 00232 Digital Thermometer

User Ratings: 50 10

Coralife 100105032 First Impressions

"Great price."

I used to have a large hang in the side tank that you couldn't miss. We are using them to measure various temperatures inside and outside of a motorhome. The non-working ones still provide 2 batteries each AND. I used these on a number of my aquariums that have discus fish in them. I've checked it against two other thermometers that are accurate. Excellent working for our bearded dragon tank. If the digital display starts to get dim, it's time for a new battery.

  • Coralife 00232 Digital Thermometer
  • Attaches to aquarium via small suction cup
  • 3 foot long temperature probe for large size aquariums
  • Battery included
  • Ideal for aquariums and terrariums
  • Readings to 0.1-degrees Fahrenheit or Celsius
  • Manufacture: Central Garden & Pet
  • Product Dimensions: 6.3 x 0.4 x 1.9 inches; 1.6 Ounces
  • Editor's Impressions Of The Coralife 100105032
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Coralife 100105032 Final Thoughts

"I like these."

I removed the batteries of the units I wasn't using right away. Bought the two pack of thermometers. Good cheap accurate aquarium thermometer. The plastic from the suction cup quickly turned from a clear to a milky white. It is always where yo last put it and it is very easy to see and read. The non-working ones still provide 2 batteries each AND. All are pretty accurate within one degree as claimed.

Overall Score
3.8


(230 Points)

4. Smartcoco Digital LCD Screen Sensor Aquarium Thermometer Wired Aquarium Fish Tank Reptile Box Temp M...

User Ratings: 54 26

Smartcoco First Impressions

"Never had any problems."

It will make you wonder why nobody thought of it before. Very accurate, have checked it with other thermometers as well. So much so that I purchased a second set of 6. 6 in a pack, extra batteries, easy set up, great price. I guess these units do not like saltwater. All were Close enough for a fish tank and other uses. They are within a degree or two of other thermometers I've checked to compare them.

  • Smartcoco Digital LCD Screen Sensor Aquarium Thermometer Wired Aquarium Fish Tank Reptile Box Temp Meter Electronic Temperature Measurement
  • Stylish and exquisite digital thermometer for Aquarium
  • LCD screen & High quality suction base & long sensor cable and switch of °C / °F
  • Size: 2.3 x 1.5 x 0.6 in / 5.8×3.7×1.6 cm
  • Suitable for fish tank, reptile box, diving pet box and more
  • Package included: 1* Aquarium Thermometer
  • Manufacture: Smartcoco
  • Editor's Impressions Of The Smartcoco
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Smartcoco Final Thoughts

"Suction cups are okay."

As you can see from my photos, in both°F and°C, all six are within. We are using them to measure various temperatures inside and outside of a motorhome. Simple fix, you adjust the thermometer within the suction cup and VIOLA! I find that the temps are accurate, and this product gives added peace of mind. For something so cheap, they are working remarkably well. I've checked it against two other thermometers that are accurate. Instead she sent a new package of two, both of which work.

Overall Score
3.8


(6 Points)

5. AQUANEAT Aquarium Thermometer Reptile Thermometer Digital Fish Tank Terrarium Water Temperature Test...

User Ratings: 60 7

AQUANEAT DT-A045x10 First Impressions

"I opened the first three."

These digital thermometers are great and there is no guesswork involved. However, Lucy at Zacro read this review and emailed me. The suction works for a month at a time- in pool and hot tub circulation. 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. They reviewed the packaging or shipping by saying it arrived broken. All were Close enough for a fish tank and other uses.

  • AQUANEAT Aquarium Thermometer Reptile Thermometer Digital Fish Tank Terrarium Water Temperature Test with LCD Display 10 PCS
  • 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-A045x10
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AQUANEAT DT-A045x10 Final Thoughts

"Great deal."

I recommend gluing the suction cups in place where needed for long-term installation. And for the price you cant beat it. They reviewed the packaging or shipping by saying it arrived broken. The lid is textured aluminum, and the suction cups don't stick to that. Very impressed, I have now had them in used for a month so far. Instead she sent a new package of two, both of which work. I guess these units do not like saltwater.

Overall Score
4.3


(44 Points)

6. Slaxry Fast-Read Thermometer Easy Setup Stick On Fish Tank Glass Thermometer Temperature Gauge Heate...

User Ratings: 74 26

Slaxry First Impressions

"Buy these."

So far, they're all doing their job in my four tanks and I am quite content. One extra battery came with each unit. You dont HAVE to stick the display onto your tank. It is easy to use and install it'disappears' in your tank it is so unobtrusive. Sure enough the digital thermometer was way off by 6 degrees! One extra battery came with each unit. He was moving slow in the winter and we realized he needed a heater!

  • Slaxry Fast-Read Thermometer Easy Setup Stick On Fish Tank Glass Thermometer Temperature Gauge Heater Sticker for Aquarium, Reptile, Turtles
  • Measure the temperature of your fish tank, DIY Brew Beer and wine barrel, Terrarium, Greenhouse, Vivarium and any sort of pet tank, or any place in your house
  • Dimension: 13 cm/5.12" of length, 1.8 cm/0.71" of width.
  • Measurement range: Celsius degree18-34°C, Fahrenheit degree 64-93°F.
  • No battery and suction cup to worry about.
  • The thermometer changes its color according to the surrounding temperature. If the surrounding temperature is 27°C, then the background of scale mark 27°C will turn colorful and other scale marks remain black.
  • Manufacture: Slaxry
  • Editor's Impressions Of The Slaxry
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Slaxry Final Thoughts

"A solid five stars."

Good cheap accurate aquarium thermometer. Good cheap accurate aquarium thermometer. This thermometer is spot on accurate. This temperature read a perfect 32 degrees. So far, they're all doing their job in my four tanks and I am quite content. They are within a degree or two of other thermometers I've checked to compare them. I can't say which is the most accurate and don't really care.

Overall Score
4.0


(14 Points)

7. Fish Tank Suction Cup Thermometer Water Temperature L 0-50 Celsius Aquarium Marine Glass

Fashion Life First Impressions

"There is no question."

It worked great and I highly recommend it! These digital thermometers are great and there is no guesswork involved. I ordered a new one and it works GREAT! This is how you calibrate a thermometer. Excellent working for our bearded dragon tank. A battery can last you up to six months, I'd say, but expect more like three. I can't say which is the most accurate and don't really care.

  • Fish Tank Suction Cup Thermometer Water Temperature L 0-50 Celsius Aquarium Marine Glass
  • Aquarium thermometer for fish tank usage.
  • Look no further, buy instantly
  • Manufacture: Fashion Life
  • Editor's Impressions Of The Fashion Life
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fashion Life Final Thoughts

"They all were within."

Excellent working for our bearded dragon tank. However, Lucy at Zacro read this review and emailed me. So much easier than the ones that hang on the inside. I don't think i'll ever be able to trust a digital thermometer again. Was going to get a floater until I saw this magnetic one! Simple fix, you adjust the thermometer within the suction cup and VIOLA! This company is taking the long term view of how to do business right.

Overall Score
5.0


(2 Points)

8. Yinuoday LCD Aquarium Thermometer Digital Fish Tank Magnetic Thermometer with Accurate Temperature S...

Yinuoday 1165893-348-1756032522 First Impressions

"I AM SO HAPPY."

It's kind of difficult to hide and keep out of the way. I'm pretty sure those reviewers have acrylic tanks. In the right situation this magnet thermometer is the best available. He was moving slow in the winter and we realized he needed a heater! This doesn't bother me as it ws so cheap. And I just really started to doubt it. The non-working ones still provide 2 batteries each AND.

  • Yinuoday LCD Aquarium Thermometer Digital Fish Tank Magnetic Thermometer with Accurate Temperature Sensor Monitor Water Temperature,Aquarium Accessory
  • 【Aquarium thermometer】: High transparent Crystal glass shell design, super 3D perspective effect, Exquisite small, convenient and simple to use.
  • 【Accurate Temperature】: Precise chip, High sensitive electronic sensors to measure temperature, accuracy up to 0.1℃.
  • 【Size】: 7x2cm (LxW); Measuring range: -45℃— 85℃; Accuracy: ± 0.1℃; Powered by button batteries (included)
  • 【Install】: The thermometer is attached to the outside of the glass wall of the fish tank. You can accurately measure the temperature in the fish tank.
  • 【100% Guarantee】: If you are unsatisfied with receiving theAquarium thermometer, we offer a 30 day money back guarantee. If you are not satisfied for any reason you can return the Aquarium thermometer for a full refund.
  • Manufacture: Yinuoday
  • Item Weight: 1.06 ounces
  • Product Dimensions: 3.15 x 1.18 x 1.18 inches
  • Editor's Impressions Of The Yinuoday 1165893-348-1756032522
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Yinuoday 1165893-348-1756032522 Final Thoughts

"Hope this helps!"

It started working as soon as I put it in and has been working ever since. These digital thermometers are great and there is no guesswork involved. I was using one of those ubiquitous cheap digital thermometers on Amazon. It is always where yo last put it and it is very easy to see and read. I have it in both my aquariums now. For something so cheap, they are working remarkably well. I came here to give this product a positive review.

Overall Score
5.0


(1 Points)

9. Reptilia Care Digital Infrared Thermometer for Reptiles, Terrarium Thermometer, Digital Reptile Ther...

User Ratings: 69

Reptilia First Impressions

"Great product!"

Sure enough the digital thermometer was way off by 6 degrees! I have always had trouble reading the color temp. So the extra units will always come in handy. The extra batteries where very much appreciated and came in handy. 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. This is my first 5 star review out of many many reviews on Amazon.

  • Reptilia Care Digital Infrared Thermometer for Reptiles, Terrarium Thermometer, Digital Reptile Thermometer Temperature Gun, Reptile Equipment for Reptile Habitat, Black
  • MONITOR WITHOUT DISTURBING - Monitor accurately from afar without disturbing your reptile with an 8:1 distance ratio. This infrared digital thermometer for reptiles measures accurately at greater distances compared to most other thermometer for reptiles
  • LASER GUIDE AND BACKLIT LCD - Inbuilt laser guide shows you exactly where you are measuring. No more guessing! Temperature reading in dimly lit conditions is a breeze with a LCD backlit display screen. Switch these features on or off to your liking
  • SIMPLY POINT, PRESS AND MEASURE - Easy and accurate temperature gun for reptiles. Accurately measures thermal gradient, basking area, incubation and hibernation temperatures easily. Press and hold to scan thermal gradient temperatures
  • PORTABLE AND VERSATILE - This small handheld pocket size temp gun for reptiles comes with a lanyard. You can hang it, store it, hook it around your wrist, or simply keep it in your pocket.
  • COMES WITH FREE CARE GUIDE - We have put together a set of habitat and care guides with ideal habitat temperature, terrarium thermometer setup and how to get the best out of this reptile temp gun. Temperature measurement range: -26 to 536°F (-32 to 280°C). Batteries not included
  • Manufacture: Fundamatter
  • Product Dimensions: 2 x 1.25 x 3.85 inches; 2.25 Ounces
  • Editor's Impressions Of The Reptilia
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Reptilia Final Thoughts

"Not just for aquariums!"

It's kind of difficult to hide and keep out of the way. He was moving slow in the winter and we realized he needed a heater! I came here to give this product a positive review. It works equally well on all of them. Personally I do not mind the way it looks in my aquarium. And for the price you cant beat it. It is about 6 inches in length and roughly an inch wide.

Overall Score
4.4


(29 Points)

10. AquaTop ATP Thermometer Submersible

User Ratings: 28 16

AquaTop DTG-15 First Impressions

"Very accurate."

So, in those cases, I find it easier to simply replace it. I have always had trouble reading the color temp. So far, they're all doing their job in my four tanks and I am quite content. For something so cheap, they are working remarkably well. Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK. I used to have a large hang in the side tank that you couldn't miss. My only complaint is that they tend to be a one time use.

  • AquaTop ATP Thermometer Submersible
  • The sleek, compact designs provide easy placement, making the DTG-15 and dtg-25 the perfect choice for aquariums of all sizes.
  • The digital thermometers are accurate to +/- 2 degrees Fahrenheit.
  • The DTG-15 is fully submersible and has a suction cup mount.
  • The dtg-25 has an adhesive back for easy installation and must be mounted externally.
  • Suction Cup mount
  • Manufacture: Aquatop
  • Product Dimensions: 8 x 3 x 2 inches; 1.41 Ounces
  • Editor's Impressions Of The AquaTop DTG-15
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AquaTop DTG-15 Final Thoughts

"I opened the first three."

I was using one of those ubiquitous cheap digital thermometers on Amazon. These digital thermometers are great and there is no guesswork involved. 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 can't say which is the most accurate and don't really care. So much easier than the ones that hang on the inside. This temperature read a perfect 32 degrees.

Overall Score
3.1


(6 Points)

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