Editor's Choice - Our Favorite American Thermal Aquarium Thermometers

1. American Thermal Horizontal Aquarium Thermometer

User Ratings: 59 4

American Thermal BC002008 First Impressions

"I immediately ordered it."

So far, they're all doing their job in my four tanks and I am quite content. Was going to get a floater until I saw this magnetic one! It works equally well on all of them. My poor fish was in 86 degrees water for a month. Very accurate, have checked it with other thermometers as well. 6 in a pack, extra batteries, easy set up, great price. The digital display is nice and small as well.

  • American Thermal Horizontal Aquarium Thermometer
  • Accurate.
  • Easy-to-read.
  • Mounts on the outside of your aquarium.
  • New movable thermometer.
  • Horizontal.
  • Manufacture: American Thermal
  • Product Dimensions: 7.4 x 1 x 0.1 inches; 0.35 Ounces
  • Editor's Impressions Of The American Thermal BC002008
  • Thermometer Accuracy [star rating='5']
  • Quality [star rating='4.1']
  • Value For Money [star rating='4']
  • Affordability [star rating='4.8']

American Thermal BC002008 Final Thoughts

"Great price."

The extra batteries where very much appreciated and came in handy. The lid is textured aluminum, and the suction cups don't stick to that. They reviewed the packaging or shipping by saying it arrived broken. Good cheap accurate aquarium thermometer. The temperature fluctuated a lot with it. The digital display itself is easy to read at a glance. Far more accurate than the usual small glass ones or external LCD strips.

Overall Score
4.2

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

Peoples Choice - Other Highly Rated American Thermal Aquarium Thermometers

2. ATI Aquarium Thermometer (Pack of 3)

American Thermal First Impressions

"Sticks easy."

I have always had trouble reading the color temp. The display can be set to Fahrenheit or Celsius. It works equally well on all of them. It is about 6 inches in length and roughly an inch wide. 82 PER THERMOMETER with battery included. My poor fish was in 86 degrees water for a month. They reviewed the packaging or shipping by saying it arrived broken.

  • ATI Aquarium Thermometer (Pack of 3)
  • Accurate
  • Easy to read.
  • Mounts on the outside of your aquarium.
  • Vertical
  • Pack of 3
  • Manufacture: American Thermal
  • Item Weight: 0.32 ounces
  • Product Dimensions: 7.8 x 4.2 x 1.3 inches
  • Editor's Impressions Of The American Thermal
  • Thermometer Accuracy [star rating='5']
  • Quality [star rating='4.1']
  • Value For Money [star rating='4.6']
  • Affordability [star rating='4.4']

American Thermal Final Thoughts

"Great price too."

The plastic from the suction cup quickly turned from a clear to a milky white. This temperature read a perfect 32 degrees. It is easy to use and install it'disappears' in your tank it is so unobtrusive. Put them all in the same tank and they read very close to each other. So this is the extreme end of the high temperature range. I used these on a number of my aquariums that have discus fish in them. Water tested with Autidefy brand for two hours.

Overall Score
5.0

[star rating="5"]
(1 Points)

3. uxcell Plastic Aquarium Sticker Thermometer Temperature Inductive Adhesive Strip Black

uxcell a16120700ux0055 First Impressions

"2-degrees."

I bought these for my dwc reservoirs. The units each had a battery in place and situated for immediate use. It is my opinion that everyone should have these that are in the Aquarium Hobby. SIX Digital Thermometers with SIX batteries INCLUDED working so well. One being a very expensive digital. Still a recommendation for me due to price and accuracy. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks.

  • uxcell Plastic Aquarium Sticker Thermometer Temperature Inductive Adhesive Strip Black
  • Product Name: Sticker Thermometer
  • Package Content: 1 x Sticker Thermometer
  • Color: Black
  • Weight: 10g
  • Product Size: 13 x 2 cm/5" x 0.8"(L*W)
  • Manufacture: uxcell
  • Editor's Impressions Of The uxcell a16120700ux0055
  • Thermometer Accuracy [star rating='2.5']
  • Quality [star rating='3.1']
  • Value For Money [star rating='2.9']
  • Affordability [star rating='3.5']

uxcell a16120700ux0055 Final Thoughts

"Holds a steady 1."

I used to have a large hang in the side tank that you couldn't miss. Still a recommendation for me due to price and accuracy. The non-working ones still provide 2 batteries each AND. This company is taking the long term view of how to do business right. All were Close enough for a fish tank and other uses. Very impressed, I have now had them in used for a month so far. I ordered this guy and it was 6 degrees hotter than the digital!

Overall Score
3.0

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

4. 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)

5. Superfish Outside Garden Pond Floating Water Thermometer 0-50C

User Ratings: 75 4

Superfish 669005 First Impressions

"Perhaps it's my fault."

You can use the thermometer with or without the plastic suction cup. For the price I'll probably end up putting these in all of my aquariums. They are within a degree or two of other thermometers I've checked to compare them. I needed a solution that was not breakable and these do the trick! Only thing I don't love is how long the cord is. I'm pretty sure those reviewers have acrylic tanks. He acted aggressively towards it and so I ultimate ended up removing it due to that.

  • Superfish Outside Garden Pond Floating Water Thermometer 0-50C
  • Plastic Floating Black Pond Thermometer
  • Helps you keep an eye on your pond temperture
  • Floating with cord to attach to the side of the Pond
  • Temperature Scale 0-50 degrees Celsius (30-120F)
  • Perfect for most ponds, swimming pools and tanks
  • Manufacture: Superfish
  • Product Dimensions: 4.33 x 4.33 x 4.33 inches; 2.82 Ounces
  • Editor's Impressions Of The Superfish 669005
  • Thermometer Accuracy [star rating='5']
  • Quality [star rating='5']
  • Value For Money [star rating='4.2']
  • Affordability [star rating='4.7']

Superfish 669005 Final Thoughts

"Great little thermometer."

The temperature fluctuated a lot with it. I ordered a new one and it works GREAT! Then is started to give a low reading, and it is not reading the correct temperature. 6 inch long Bala Sharks that are known to be very unruly and boisterous. These things are useful for a lot besides pet husbandry, too. It is my opinion that everyone should have these that are in the Aquarium Hobby. The non-working ones still provide 2 batteries each AND.

Overall Score
4.6

[star rating="4.6"]
(25 Points)

6. STEBCECE 9Pcs Brine Shrimp Incubator DIY Aquarium Hatching System Cap Connection Tee Regulator Hose ...

User Ratings: 51 49

STEBCECE First Impressions

"These are great!"

Set all six probes up in a terrarium with a constant temp of 88. All were Close enough for a fish tank and other uses. Good cheap accurate aquarium thermometer. Put them all in the same tank and they read very close to each other. It is always where yo last put it and it is very easy to see and read. In this scenario it would probably get knocked loose a lot. It will make you wonder why nobody thought of it before.

  • STEBCECE 9Pcs Brine Shrimp Incubator DIY Aquarium Hatching System Cap Connection Tee Regulator Hose Check Cultivation Kit for Ornamental Fish
  • ❋Easy to use, convenient to Hatch.
  • ❋Simple, practical, convenient to hatch shrimp for feeding fish.
  • ❋Can be directly into the harvest shrimp eggs, sea salt and water
  • ❋Connect with air p ump, eggs can be hatched within 24 hours .
  • ❋Good for the shrimp egg to feed the ornamental fish larvae.
  • Manufacture: STEBCECE
  • Item Weight: 1.98 Ounces
  • Editor's Impressions Of The STEBCECE
  • Thermometer Accuracy [star rating='2.4']
  • Quality [star rating='3.2']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='2.2']

STEBCECE Final Thoughts

"So we are ordering more."

Water tested with Autidefy brand for two hours. The display can be set to Fahrenheit or Celsius. Then she followed up again on that, asking if they had arrived and were okay. Water tested with Autidefy brand for two hours. I don't think they are backlit but for the price they are still nice. 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.

Overall Score
3.0

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

7. 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)

8. Fluker's Hermit Headquarters Thermometer & Hydrometer Combo

User Ratings: 55 10

Fluker's BCI012192-X2 First Impressions

"Subtracted from the tank."

Ordered three of these and they do the job. When I set up my newest tank I will be getting another one of these. This thermometer is spot on accurate. So far I've been very thrilled with these. SIX Digital Thermometers with SIX batteries INCLUDED working so well. The suction works for a month at a time- in pool and hot tub circulation. They reviewed the packaging or shipping by saying it arrived broken.

  • Fluker's Hermit Headquarters Thermometer & Hydrometer Combo
  • 2 Pack of Flukers Hermit Headquarters Thermometer & Hydrometer Combo
  • Combination gauge to measure temperature and humidity in crabs enclosure
  • Adhesive back makes attaching to inside of enclosure easy
  • Recommended to use 2 combo meters, one on each end
  • Appropriate extra is 78-82 degrees and humidity between 60-80%
  • Manufacture: Flukers
  • Product Dimensions: 3 x 1 x 2 inches; 0.96 Ounces
  • Editor's Impressions Of The Fluker's BCI012192-X2
  • Thermometer Accuracy [star rating='4.6']
  • Quality [star rating='5']
  • Value For Money [star rating='3.2']
  • Affordability [star rating='4.5']

Fluker's BCI012192-X2 Final Thoughts

"Changed to 5-stars now."

I was using one of those ubiquitous cheap digital thermometers on Amazon. And is easily hidden behind a plant. One extra battery came with each unit. This thermometer is spot on accurate. These things are useful for a lot besides pet husbandry, too. I have this thermometer on all my tanks. This company is taking the long term view of how to do business right.

Overall Score
4.1

[star rating="4.1"]
(216 Points)

9. SeeZQ 2 Pack Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature …

User Ratings: 55 7

SeeZQ First Impressions

"Appears to be accurate."

The temperature fluctuated a lot with it. I recommend gluing the suction cups in place where needed for long-term installation. 89 I could buy Six Thermometers with Six included batteries. If the digital display starts to get dim, it's time for a new battery. I have mine on my 60 gallon cube marine tank. This company is taking the long term view of how to do business right. All were Close enough for a fish tank and other uses.

  • SeeZQ 2 Pack Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature …
  • Manufacture: SeeZQ
  • Product Dimensions: 3.94 x 3.94 x 7.87 inches; 7.05 Ounces
  • Batteries: 1 LR44 batteries required.
  • Editor's Impressions Of The SeeZQ
  • Thermometer Accuracy [star rating='3.8']
  • Quality [star rating='3.2']
  • Value For Money [star rating='4.5']
  • Affordability [star rating='4.5']

SeeZQ Final Thoughts

"6 tenths of a degree."

I have always had trouble reading the color temp. I have bought many many temperature gauges for my various fish tanks over the years. Since adding one of these, it has been much easier to monitor the temp of my tanks. It worked great and I highly recommend it! 6 in a pack, extra batteries, easy set up, great price. One being a very expensive digital. This company is taking the long term view of how to do business right.

Overall Score
4.0

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

10. Vipe Aquarium Thermometer Sticker Fast-Read Thermometer Stick On Aquarium Fish Tank Glass Greenhouse...

User Ratings: 32 27

Vipe First Impressions

"2 deg of 32."

Sure enough the digital thermometer was way off by 6 degrees! I guess these units do not like saltwater. So much so that I purchased a second set of 6. I have kept aquariums for about 45 years. It's kind of difficult to hide and keep out of the way. I needed a solution that was not breakable and these do the trick! The lid is textured aluminum, and the suction cups don't stick to that.

  • Vipe Aquarium Thermometer Sticker Fast-Read Thermometer Stick On Aquarium Fish Tank Glass Greenhouse (1pcs)
  • Monitor tank temperature --- Keep fishes, shrimps, reptiles & turtles comfortable by making sure the water isn’t too hot or too cold. Irregular water temperatures can cause fish to be stressed or sick and develop white spots.
  • 2 steps to setup 2 --- Just peel & stick. Thermometer is slim, measuring 3.94inch x 0.79inch. Just stick it on the outside of your tank and keep it away from any heat source.
  • Clean, practical design --- Measurement range: Fahrenheit degree 64-93°F or Celsius degree 18-34°C. This all black thermometer changes color according to the temperature. If the water temperature is 80°F, the background scale of 80°F will turn into blue color to indicate your reading.
  • Measure the temperature of your fish tank, your DIY Brew Beer and wine barrel, Terrarium, Greenhouse, Vivarium and any sort of pet tank, or any place in your house. The right water temperature is very important for the health of your fish, get your beer and wine right or use in kitchen or around the home to monitor temperature.
  • Easy to install, just peel off the back of the sticker and the transparent protective film at the front and stick it on the outside wall of the aquarium, that is it.
  • Manufacture: Vipe
  • Editor's Impressions Of The Vipe
  • Thermometer Accuracy [star rating='3.2']
  • Quality [star rating='3']
  • Value For Money [star rating='2.2']
  • Affordability [star rating='3.4']

Vipe Final Thoughts

"Very easy to read."

I am extremely pleased with this product. Sure enough the digital thermometer was way off by 6 degrees! The non-working ones still provide 2 batteries each AND. When I set up my newest tank I will be getting another one of these. It is easy to use and install it'disappears' in your tank it is so unobtrusive. All are pretty accurate within one degree as claimed. In this scenario it would probably get knocked loose a lot.

Overall Score
3.2

[star rating="3.2"]
(26 Points)

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