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. Zacro LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature

User Ratings: 74 3

Zacro FBA_ZDT1-AUX-1 First Impressions

"I like this."

I have kept aquariums for about 45 years. For something so cheap, they are working remarkably well. So the extra units will always come in handy. One of my aquariums is glass, and the other two are plastic. It works equally well on all of them. Personally I do not mind the way it looks in my aquarium. My only complaint is that they tend to be a one time use.

  • Zacro LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature
  • Small volume, large function: The size of thermometer is 2.17 x 1.46 in. Our thermometer is suitable for different water types such as fresh water, tap water, salty water, marine water and etc.
  • Convenient: You can choose seither Fahrenheit or Celsius according to your need. What's more, each thermometer is equipped with a LR44 battery.
  • Show clearly temperature: You can read the temperature data clearly in the LCD screen. Please note that the thermometer reading has about 1 degree deviation.
  • Easy to use: Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).
  • Temperature range: -50 degree Celsius~ + 70 degree Celsius; Operating temperature: -10 degree Celsius~ +50 degree Celsius.
  • Manufacture: Zacro
  • Editor's Impressions Of The Zacro FBA_ZDT1-AUX-1
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zacro FBA_ZDT1-AUX-1 Final Thoughts

"7 reading."

The lid is textured aluminum, and the suction cups don't stick to that. This company is taking the long term view of how to do business right. 2 deg, if it was 32, it would be a SOLID block of ice. I recommend gluing the suction cups in place where needed for long-term installation. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. For the price I'll probably end up putting these in all of my aquariums. All were Close enough for a fish tank and other uses.

Overall Score
4.5


(4472 Points)

4. Maxmoral 4pcs Thermometer Strips Stick-on Digital Thermometer Strip Temperature Stickers Degree Cels...

User Ratings: 61

Maxmoral First Impressions

"I like these."

The digital display is nice and small as well. Place it on your aquarium and you are good to go. I got the second one as a bonus that I'm now using in my old tank. You can glue, tape or simply cover the cords in the tank to keep them discreet. In the right situation this magnet thermometer is the best available. I guess these units do not like saltwater. I had my heater set at 73-degrees and the thermometers showed 74.

  • Maxmoral 4pcs Thermometer Strips Stick-on Digital Thermometer Strip Temperature Stickers Degree Celsius Fahrenheit Display for Aquarium
  • Type:4pcs Thermometer Strips.Size:13x1.8cm/5.12x0.71 in.
  • Thermometer strips provide 2 different temperature readings,one is Celsius, ranging from 18 to 34 degrees Celsius, and the other is the corresponding Fahrenheit temperature reading, ranging from 64 to 93 degrees Fahrenheit.
  • Three color markers can indicate the temperature condition, can change with the water temperature, each color represents the different water temperature condition, can see them clearly and quickly from the surface.
  • Adhesive on the back, just peel off the tape and stick to any surface. A strong adhesive will hold the thermometer in place.
  • Can be used in aquarium, fish tank,wine, beer, Kombucha,Brewing ,Fermentation and so on. The thermometer will not be displayed beyond the measured temperature.
  • Manufacture: Maxmoral
  • Editor's Impressions Of The Maxmoral
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Maxmoral Final Thoughts

"Not just for aquariums!"

Bought the two pack of thermometers. I've checked it against two other thermometers that are accurate. 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. Then she followed up again on that, asking if they had arrived and were okay. One of my aquariums is glass, and the other two are plastic. You dont HAVE to stick the display onto your tank.

Overall Score
4.6


(3 Points)

5. 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)

6. uxcell Liquid Crystal Aquarium Fish Tank Fishbowl Thermometer Strip Sticker Black

User Ratings: 52 22

uxcell 18156 First Impressions

"Changed to 5-stars now."

The suction cups work well anywhere I have placed it it has not Fallen. 82 PER THERMOMETER with battery included. So far I've been very thrilled with these. Sure enough the digital thermometer was way off by 6 degrees! The units each had a battery in place and situated for immediate use. So the extra units will always come in handy. So far, they're all doing their job in my four tanks and I am quite content.

  • uxcell Liquid Crystal Aquarium Fish Tank Fishbowl Thermometer Strip Sticker Black
  • Product Name :Aquarium Thermometer
  • Temperature Measurement Range: 18degree ~ 34degree
  • Size: ~13(L) x 1.9(W)cm
  • Adhesive by the back, just peel off the tape and attach to outside /surface of aquarium
  • Different temperature with different color
  • Manufacture: uxcell
  • Product Dimensions: 0.3 x 3.3 x 7 inches; 0.16 Ounces
  • Editor's Impressions Of The uxcell 18156
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell 18156 Final Thoughts

"And I am glad I did."

They are within a degree or two of other thermometers I've checked to compare them. It is about 6 inches in length and roughly an inch wide. One being a very expensive digital. My 50+ eyes cannot read a regular tank thermometer without squinting. Bought the two pack of thermometers. And for the price you cant beat it. Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK.

Overall Score
3.6


(8 Points)

7. Dr. Marine Glass Saltwater Hydrometer Thermometer Reef Soft Coral

User Ratings: 65 9

Aquarium Equip SU First Impressions

"6 tenths of a degree."

These are the perfect size to be easily read while not being obtrusive. You can not swivle the thermometer to face a certain way. The non-working ones still provide 2 batteries each AND. I am extremely pleased with this product. I have mine on my 60 gallon cube marine tank. These are the perfect size to be easily read while not being obtrusive. You can not swivle the thermometer to face a certain way.

  • Dr. Marine Glass Saltwater Hydrometer Thermometer Reef Soft Coral
  • Ensures proper gravity of aquarium water. Easy to use.
  • Ensures all water has the same salinity within aquarium
  • Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums.
  • Measure both Temperature and Specific Gravity of the water.
  • SIZE:19.2CM(7.5"). Glass Hydrometer; Measures Celsius and Fahrenheit
  • Manufacture: SU
  • Product Dimensions: 8.1 x 0.8 x 0.8 inches; 0.96 Ounces
  • Editor's Impressions Of The Aquarium Equip SU
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aquarium Equip SU Final Thoughts

"Great product!"

A battery can last you up to six months, I'd say, but expect more like three. You can use the thermometer with or without the plastic suction cup. So the extra units will always come in handy. So far I've been very thrilled with these. 6F all six took about three minutes to read between 88. Works well in my betta tank, but provide a couple hours for it to read temp changes. So far, they're all doing their job in my four tanks and I am quite content.

Overall Score
4.2


(100 Points)

8. UPLY Betta Aquarium Thermometer LCD Digital Fish Tank Thermometer Waterproof Tank Thermometer with S...

User Ratings: 49

UPLY First Impressions

"It's accurate I tell you."

At least in the first 3 months of use. I don't think i'll ever be able to trust a digital thermometer again. You can glue, tape or simply cover the cords in the tank to keep them discreet. The plastic from the suction cup quickly turned from a clear to a milky white. One being a very expensive digital. I tested this in a cup crammed full of ice and some water. I'm pretty sure those reviewers have acrylic tanks.

  • UPLY Betta Aquarium Thermometer LCD Digital Fish Tank Thermometer Waterproof Tank Thermometer with Suction Cup Fresh Water Salt Water
  • Best Thermometer For Your Fish --- How to keep our fish healthy? The right temperature is critical. Every fish has a water temperature suitable for them to survive. As a breeder, we need to keep track of the temperature of the water in our fish tanks. Therefore, having an an accurate and effective aquarium thermometer is important to ensure the perfect temperature for your pet fish.
  • EASY TO READ --- No need to stop, no need to observe the scale, only you need to gently glance, you can easily get an accurate water temperature from UPLY Aquarium Thermometer's Display. Very Easy!!
  • COMPLETELY WATERPROOF --- UPLY aquarium thermometer uses waterproof ring design, can completely submerge into the water, water temperature measurement is more accurate. ( Your Betta can also use it as a rest leaf.)
  • WIRELESS --- The extra cables will make your tank look messy and affect the activity space of your fish. UPLY Aquarium Thermometer doesn't have any extra lines, and the simple design lets your use easier
  • WIDE TEMPERATURE RANGE --- Temperature range -58°F to 158°F, allows you to use this thermometer at any temperature. Not only a fish tank, you can use it wherever you want.
  • Manufacture: UPLY
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The UPLY
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

UPLY Final Thoughts

"Doing the math."

It will make you wonder why nobody thought of it before. I bent it a little bit and when I put it back it was perfectly fine. Who knows, whatever it was, it was revolting! Love it, it's easy to read and keeps an accurate temp. A battery can last you up to six months, I'd say, but expect more like three. I ordered this guy and it was 6 degrees hotter than the digital! When and if we run out of this batch, I'll instantly order another batch.

Overall Score
3.5


(2 Points)

9. Accreate Practical LCD 3D Crystal Digital Electronic Thermometer Temperature Measurement for Fish Ta...

Accreate First Impressions

"A solid five stars."

I don't think they are backlit but for the price they are still nice. So far I've been very thrilled with these. I use a small flashlight if I don't want to brighten the area. As you can see from my photos, in both°F and°C, all six are within. I have it in both my aquariums now. It works equally well on all of them. The suction works for a month at a time- in pool and hot tub circulation.

  • Accreate Practical LCD 3D Crystal Digital Electronic Thermometer Temperature Measurement for Fish Tank Aquarium
  • Adopting transparent crystal glass shell shape, fashion and elegant 3D perspective effect.
  • This is high sensitive electronic sensors with precise chip, accuracy up to 0.1 degree.
  • It has a strong sticker on the back, just need to tear off it and stick it on the outer of aquarium.
  • It is great tool for a aquarium thermometer, indoor and outdoor thermometer ect.
  • Manufacture: Accreate
  • Editor's Impressions Of The Accreate
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Accreate Final Thoughts

"Would buy again."

In the right situation this magnet thermometer is the best available. The extra batteries where very much appreciated and came in handy. It worked great and I highly recommend it! I have to admit I had two reasons for buying six. I don't think i'll ever be able to trust a digital thermometer again. I used to have a large hang in the side tank that you couldn't miss. This little wonder allows me to see at a glance that everything is as it should be.

Overall Score
3.3


(3 Points)

10. Rectal Temp Thermometer

User Ratings: 82 6

Pavia First Impressions

"These are great!"

I removed the batteries of the units I wasn't using right away. 50 thermometers, reads much easier and no suction cup residue, also looks better. I use a small flashlight if I don't want to brighten the area. I recommend gluing the suction cups in place where needed for long-term installation. Ambient room temperature measures 72. Instead she sent a new package of two, both of which work. You can use the thermometer with or without the plastic suction cup.

  • Rectal Temp Thermometer
  • PAVIA RECTAL TEMP THERMOMETER: Fast, accurate rectal temps in as quick as 6 seconds. Used in veterinary clinics the world over, now available direct to clinics, kennels, rescues, shelters, breeders and dog owners everywhere.
  • FAST AND ACCURATE: Stable, accurate temperature readings in as quick as 6 seconds. Accurate to within +/- 0.2°F.
  • 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 Thermometer, two (2) AAA batteries, Instructions. 90-day warranty.
  • Manufacture: Pavia
  • Product Dimensions: 2 x 5 x 8 inches; 5.22 Ounces
  • Batteries: 2 AAA batteries required.
  • Editor's Impressions Of The Pavia
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Pavia Final Thoughts

"Fish and me happy."

Love it, it's easy to read and keeps an accurate temp. I read some of the 1 star reviews and most of them are not about the product. So versatile, I can read the temperatures literally anywhere. Bought the two pack of thermometers. We are using them to measure various temperatures inside and outside of a motorhome. And is easily hidden behind a plant. The lid is textured aluminum, and the suction cups don't stick to that.

Overall Score
4.6


(32 Points)

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