Editor's Choice - Our Favorite REPTI ZOO Aquarium Thermometers

1. REPTI ZOO Reptile Terrarium Thermometer Hygrometer Dual Gauges Pet Rearing Box Reptile Thermometer a...

User Ratings: 64 5

REPTI ZOO First Impressions

"No issues."

So this is the extreme end of the high temperature range. I read some of the 1 star reviews and most of them are not about the product. Then she followed up again on that, asking if they had arrived and were okay. 2 deg, if it was 32, it would be a SOLID block of ice. The suction will never be the same. Place it on your aquarium and you are good to go. The digital display is nice and small as well.

  • 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='5']
  • Quality [star rating='4']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='4.8']

REPTI ZOO Final Thoughts

"Just received it today."

My poor fish was in 86 degrees water for a month. So far I've been very thrilled with these. I'm pretty sure those reviewers have acrylic tanks. 6 in a pack, extra batteries, easy set up, great price. I use a small flashlight if I don't want to brighten the area. They are within a degree or two of other thermometers I've checked to compare them. You can glue, tape or simply cover the cords in the tank to keep them discreet.

Overall Score
4.3

[star rating="4.3"]
(262 Points)

Peoples Choice - Other Highly Rated REPTI ZOO Aquarium Thermometers

2. 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)

3. REPTI ZOO Digital Thermometer Temperature Controller for Reptile Tank Water Terrarium, Waterproof Re...

User Ratings: 65 12

REPTI ZOO THC15 First Impressions

"And I am glad I did."

I came here to give this product a positive review. The digital display itself is easy to read at a glance. All are pretty accurate within one degree as claimed. Very accurate, have checked it with other thermometers as well. You can glue, tape or simply cover the cords in the tank to keep them discreet. Since adding one of these, it has been much easier to monitor the temp of my tanks. I recommend gluing the suction cups in place where needed for long-term installation.

  • REPTI ZOO Digital Thermometer Temperature Controller for Reptile Tank Water Terrarium, Waterproof Reptile Timer with Thermostat Controller Lighting Timer
  • 3 in 1 Integrated design with day/night temperature, humidity and timing control, which can meet the physiological needs of temperature, humidity and lighting for Reptiles, Amphibians or Plants.
  • For begginers, "One Button Operation" quickly switch to the tropical mode or desert mode; For advancers, easy to set the desired day/night temperature, humidity and 4 timer periods (accurate to 1 second) with different modules logic technology
  • Easy-to-read full-view LCD Display panel with 24 hours time system
  • Plug and play design, easy to use and store; detachable temperature and humidity sensor probe for easy maintence
  • Alarm flashes and sounds when temperature reaches extreme high or low levels; Built-in memory stores settings in case of power failure
  • Manufacture: REPTI ZOO
  • Batteries: 1 CR2 batteries required.
  • Editor's Impressions Of The REPTI ZOO THC15
  • Thermometer Accuracy [star rating='5']
  • Quality [star rating='3.5']
  • Value For Money [star rating='4']
  • Affordability [star rating='4.8']

REPTI ZOO THC15 Final Thoughts

"Very accurate."

I got the second one as a bonus that I'm now using in my old tank. 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. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. It works equally well on all of them. I think the people who said the suction cup broke. When and if we run out of this batch, I'll instantly order another batch.

Overall Score
4.1

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

4. REPTI ZOO 2 Pack Reptile Terrarium Thermometer Hygrometer Digital Display Pet Rearing Box Reptiles T...

User Ratings: 69 2

REPTI ZOO First Impressions

"They all were within."

This is how you calibrate a thermometer. Sure enough the digital thermometer was way off by 6 degrees! Very accurate, have checked it with other thermometers as well. I was using one of those ubiquitous cheap digital thermometers on Amazon. Now if it falls into a sink full of water, it's not a problem. 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.

  • REPTI ZOO 2 Pack Reptile Terrarium Thermometer Hygrometer Digital Display Pet Rearing Box Reptiles Tank Thermometer Hygrometer with Suction Cup
  • Accurate measure temperature and humidity in vivariums, hatchers, brooders, propagators, etc
  • Digital display and easy to read on clear LED screen, two modes of mounting the suction cup make you can put the thermo-hygrometer on the front or side glass of terrariums as your request.
  • Easy to install: suction cup can be adsorbed firmly on the side or back of the terrarium
  • One extra battery is included for standby in the package, two batteries can use for more than one year
  • 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
  • Material:Plastic
  • Power supply:1xLR1130/AG10 button cell(included)
  • Temperature range:14℉ to 122℉
  • Manufacture: REPTI ZOO
  • Editor's Impressions Of The REPTI ZOO
  • Thermometer Accuracy [star rating='3.9']
  • Quality [star rating='4.4']
  • Value For Money [star rating='3.6']
  • Affordability [star rating='4.5']

REPTI ZOO Final Thoughts

"Hope this helps!"

And is easily hidden behind a plant. This company is taking the long term view of how to do business right. I used these to raise chicks, and in my parrot cages. Water tested with Autidefy brand for two hours. I use a small flashlight if I don't want to brighten the area. For the price I'll probably end up putting these in all of my aquariums. I had my heater set at 73-degrees and the thermometers showed 74.

Overall Score
4.3

[star rating="4.3"]
(34 Points)

5. UPLY Aquarium Thermometer Digital Fish Tank Thermometer for Water Temperature

User Ratings: 53 18

UPLY First Impressions

"Easy to setup in tank."

Ambient room temperature measures 72. Still a recommendation for me due to price and accuracy. I ordered a new one and it works GREAT! I tested this in a cup crammed full of ice and some water. I think the people who said the suction cup broke. Since it is a mercury thermometer, it is very accurate. Very accurate, have checked it with other thermometers as well.

  • UPLY Aquarium Thermometer Digital Fish Tank Thermometer for Water Temperature
  • 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
  • Product Dimensions: 1.97 x 5.12 x 1.18 inches; 1.98 Ounces
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The UPLY
  • Thermometer Accuracy [star rating='3.5']
  • Quality [star rating='3.9']
  • Value For Money [star rating='3.2']
  • Affordability [star rating='3.2']

UPLY Final Thoughts

"Just received it today."

I have this thermometer on all my tanks. You can glue, tape or simply cover the cords in the tank to keep them discreet. 82 PER THERMOMETER with battery included. The extra batteries where very much appreciated and came in handy. Very accurate, have checked it with other thermometers as well. Love it, it's easy to read and keeps an accurate temp. 6 in a pack, extra batteries, easy set up, great price.

Overall Score
3.6

[star rating="3.6"]
(27 Points)

6. 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 [star rating='5']
  • Quality [star rating='5']
  • Value For Money [star rating='5']
  • Affordability [star rating='5']

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

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

7. Aquarium Thermometer LCD Digital Waterproof Thermometer with Suction Cup Fish Tank Water Temperature...

User Ratings: 44 23

Fischuel First Impressions

"7 reading."

These are the perfect size to be easily read while not being obtrusive. My only complaint is that they tend to be a one time use. However, Lucy at Zacro read this review and emailed me. I tested this in a cup crammed full of ice and some water. I don't think they are backlit but for the price they are still nice. Place it on your aquarium and you are good to go. These are the perfect size to be easily read while not being obtrusive.

  • Aquarium Thermometer LCD Digital Waterproof Thermometer with Suction Cup Fish Tank Water Temperature for Fish Like Betta
  • - 100% Waterproof : With Sealed Ring Design, Fischuel Aquarium Thermometer can completely submerge into the water, water temperature measurement is more accurate. ( Your Betta can also use it as a rest leaf.)
  • ✋- 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.
  • - Extreamly Easy To Use : No instructions necessary. This is the simplest aquarium thermometer on the market with no buttons to operate.
  • - Durable : Powered by a LR44 battery which is very long lasting and easy to replace.(Batteries included)
  • - Wireless : Fischuel Fish Tank Themometer works precisely without any external wire and probe, makes your tank look clean and tidy and expand the activity space of your fish.
  • Manufacture: Fischuel
  • Batteries: 2 LR44 batteries required. (included)
  • Editor's Impressions Of The Fischuel
  • Thermometer Accuracy [star rating='2.8']
  • Quality [star rating='3.4']
  • Value For Money [star rating='3.4']
  • Affordability [star rating='4.2']

Fischuel Final Thoughts

"2 deg of 32."

This company is taking the long term view of how to do business right. I have to admit I had two reasons for buying six. I bent it a little bit and when I put it back it was perfectly fine. I recommend gluing the suction cups in place where needed for long-term installation. So the extra units will always come in handy. I had my heater set at 73-degrees and the thermometers showed 74. I had my heater set at 73-degrees and the thermometers showed 74.

Overall Score
3.4

[star rating="3.4"]
(381 Points)

8. Zoo Med Digital Aquatic Turtle Thermometer (2 Pack)

User Ratings: 41 29

Zoo Med TH26 First Impressions

"I like these."

This temperature read a perfect 32 degrees. I have this thermometer on all my tanks. 89 I could buy Six Thermometers with Six included batteries. The non-working ones still provide 2 batteries each AND. The digital display itself is easy to read at a glance. A bit large for anything smaller than 5 gallons, but that's to be expected. I used these to raise chicks, and in my parrot cages.

  • Zoo Med Digital Aquatic Turtle Thermometer (2 Pack)
  • Replacement Battery Included
  • Fully submersible
  • Fahrenheit Scale
  • Manufacture: Zoo Med Laboratories
  • Product Dimensions: 4 x 1 x 4 inches; 3.2 Ounces
  • Editor's Impressions Of The Zoo Med TH26
  • Thermometer Accuracy [star rating='2.5']
  • Quality [star rating='3.6']
  • Value For Money [star rating='2.7']
  • Affordability [star rating='3.4']

Zoo Med TH26 Final Thoughts

"Works perfect."

I don't think they are backlit but for the price they are still nice. The digital display is nice and small as well. I got root rot after light leaks and high water temps. I have it in both my aquariums now. 89 I could buy Six Thermometers with Six included batteries. When and if we run out of this batch, I'll instantly order another batch. One extra battery came with each unit.

Overall Score
3.3

[star rating="3.3"]
(45 Points)

9. Abnaok Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Acc...

User Ratings: 68 14

Abnaok First Impressions

"Great price too."

So far, they're all doing their job in my four tanks and I am quite content. It worked great and I highly recommend it! So versatile, I can read the temperatures literally anywhere. I can't say which is the most accurate and don't really care. The lid is textured aluminum, and the suction cups don't stick to that. So versatile, I can read the temperatures literally anywhere. As you can see from my photos, in both°F and°C, all six are within.

  • Abnaok Salinity Tester, Sea Specific Gravity Test for Fish Tank Pond Water Saltwater Freshwater, Accurate Automatic Hydrometer
  • Safe Material:Made of plastic,aquarium clear Automatic Accurate Readable SaltWater Hydrometer.
  • Durable Clear Acrylic:Accurate, durable, and easy to read your marine aquarium's salt level and specific gravity,Small and waterproof.if the specific gravity between 1.000 - 1.019,show that the specific gravity is small;if the specific gravity between 1.020 - 1.023,show that the specific gravity is nomal;if the specific gravity between 1.024 - 1.030,show that the specific gravity is big;
  • Clearly Safe Zone Indicated:Includes solinity and specific grovity scales.The outside rang of scale indicates salinity(PPT).The inside range of scale indicates gravity.And with safe zone clearly indicated.Range of use: 0-40 degrees (1.000-1.030).If the salinity ppt between 32 - 40,show that the salinity hydrometer is high;If the salinity ppt between 27 - 31,show that the salinity hydrometer is normal; If the salinity ppt between 0 - 26,show that the salinity hydrometer is light.
  • Wide Usage:Fit for brackish and marine aquariums.Perfect for testing both salinity and specific gravity of your brackish and marine tank.Includes solinity and specific grovity scales.Suitable for fresh water and sea water.
  • Easy to Read and Use:The easy-to-read swing-arm pointer and extra wide stable base provide an accurate test result.
  • Manufacture: Abnaok
  • Editor's Impressions Of The Abnaok
  • Thermometer Accuracy [star rating='3.5']
  • Quality [star rating='4.5']
  • Value For Money [star rating='4.1']
  • Affordability [star rating='3.8']

Abnaok Final Thoughts

"They are within 0."

The units each had a battery in place and situated for immediate use. My poor fish was in 86 degrees water for a month. I have it in both my aquariums now. 6 inch long Bala Sharks that are known to be very unruly and boisterous. For the price I'll probably end up putting these in all of my aquariums. I just wrote it off as a minor loss. I think the people who said the suction cup broke.

Overall Score
4.1

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

10. Zacro Pack of 2 LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature

User Ratings: 73 2

Zacro ZDT1D-AUX-1 First Impressions

"Great product!"

89 I could buy Six Thermometers with Six included batteries. He was moving slow in the winter and we realized he needed a heater! And I just really started to doubt it. Instead she sent a new package of two, both of which work. SIX Digital Thermometers with SIX batteries INCLUDED working so well. A bit large for anything smaller than 5 gallons, but that's to be expected. Ordered three of these and they do the job.

  • Zacro Pack of 2 LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature
  • Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).
  • Easy to apply suction cup and easy to read lcd screen; temperature readings to within 1 degree
  • Large, easy to read lcd display; compact design for discrete use
  • Temperature range -50 degree Celsius ~ + 70 degree Celsius; Operating temperature -10 degree Celsius ~ +50 degree Celsius.
  • Powered by one lr44 button cell (included)
  • Manufacture: Zacro
  • Product Dimensions: 7.1 x 4.3 x 2 inches; 2.08 Ounces
  • Editor's Impressions Of The Zacro ZDT1D-AUX-1
  • Thermometer Accuracy [star rating='3.8']
  • Quality [star rating='5']
  • Value For Money [star rating='3.9']
  • Affordability [star rating='4.2']

Zacro ZDT1D-AUX-1 Final Thoughts

"Changed to 5-stars now."

The extra batteries where very much appreciated and came in handy. All are pretty accurate within one degree as claimed. For the price I'll probably end up putting these in all of my aquariums. One being a very expensive digital. This company is taking the long term view of how to do business right. The digital display itself is easy to read at a glance. I just wrote it off as a minor loss.

Overall Score
4.6

[star rating="4.6"]
(3558 Points)

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