Editor's Choice - Our Favorite Propagate Pro Aquarium Thermometers

1. 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)

2. Aquarium Thermometer Digital Fish Tank Thermometer with Large LCD Display Stick-on Tank Monitor Wate...

User Ratings: 36 33

JLENOVEG First Impressions

"Close enough I reckon!"

Love it, it's easy to read and keeps an accurate temp. One being a very expensive digital. It is easy to use and install it'disappears' in your tank it is so unobtrusive. I just wrote it off as a minor loss. I don't think they are backlit but for the price they are still nice. 82 PER THERMOMETER with battery included. I have bought many many temperature gauges for my various fish tanks over the years.

  • Aquarium Thermometer Digital Fish Tank Thermometer with Large LCD Display Stick-on Tank Monitor Water Terrarium Temperature with Hi Lo Alarm No Messy Wires in Your Saltwater Freshwater and Reef Aquar
  • Easy to use and install: Insert the battery, close it, then press the C/F button( which it’s in the right corner, need a paper clipper to click); then tear down the film and stick it to the outside of your fish tank.
  • Easy to read and accuracy: Easy to read digital LCD display in C/F degree. The button cell battery required for operation is included in the scope of delivery so the thermometer can be used directly out of the box. This Digital aquarium thermometer will directly display temperature for fish tank with the stick on tank sensor, reading from 0°C to 37°C / 32°F - 99°F, accurate to 0.1°
  • Cordless Design: no probes or messy wires in water and backside temperature sensor stick on the outside glass of the fish tank prevent water infiltration and electronic Oxidation.
  • Widely used: The fish tank thermometer is ideal for any aquarium. No matter if saltwater or freshwater. Used in the aquariums and reptile feeding box, ideal equipment for monitoring the temperature.
  • 12 Months Warranty: register your thermometer after purchase and increase your warranty coverage 1 YEAR. We are dedicated to ensuring your 100% satisfaction.
  • Manufacture: Poly
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The JLENOVEG
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

JLENOVEG Final Thoughts

"Only thing the battries."

So far, they're all doing their job in my four tanks and I am quite content. When I set up my newest tank I will be getting another one of these. So, in those cases, I find it easier to simply replace it. And I just really started to doubt it. I came here to give this product a positive review. I got root rot after light leaks and high water temps. These are the perfect size to be easily read while not being obtrusive.

Overall Score
3.0


(12 Points)

3. LXSZRPH Reptile Thermometer Hygrometer HD LCD Reptile Tank Digital Thermometer with Hook Temperature...

User Ratings: 50 50

LXSZRPH First Impressions

"Perfect customer service."

Now if it falls into a sink full of water, it's not a problem. The non-working ones still provide 2 batteries each AND. The temperature fluctuated a lot with it. I came here to give this product a positive review. Was going to get a floater until I saw this magnetic one! I read some of the 1 star reviews and most of them are not about the product. When and if we run out of this batch, I'll instantly order another batch.

  • LXSZRPH Reptile Thermometer Hygrometer HD LCD Reptile Tank Digital Thermometer with Hook Temperature Humidity Meter Gauge for Reptile Tanks, Terrariums, Vivarium
  • 100% Brand New and High-Quality Reptile Tank Thermometer Hygrometer: Precise supervision of the temperature and air humidity in terrariums, vivariums and reptile tanks.
  • Stylish Design: Stylish looking digital vivarum thermometer with hook and loop for easy to install to any reptile tanks or terrariums. Comes with a battery so you can use the thermometer immediately.
  • Fantastic Value: This accurate reptile thermometer and hygrometer allows you to monitor the temperature and humidity in the reptile tanks at all times to makesure your beloved reptiles are in perfect health.
  • Fahrenheit Celsius Convertible: Temperature can be display in Fahrenheit or Celsius by press the C/F hole on the back of the item with a paper clip.
  • Quality Guaranteed: Our carefully sourced range of thermometer hygrometers are manufactured to the highest of standards our customers expect. And provide 365 days warranty, in case of any quality problems, please feel free to contact us by email, we will give you a satisfactory solution.
  • Manufacture: Zhongshan Cangda Technology Co., Ltd.
  • Product Dimensions: 2.08 x 0.67 x 1.3 inches; 0.92 Ounces
  • Batteries: 2 LR44 batteries required. (included)
  • Editor's Impressions Of The LXSZRPH
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

LXSZRPH Final Thoughts

"Love it for my turtles."

Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK. This is my first 5 star review out of many many reviews on Amazon. This is how you calibrate a thermometer. So the extra units will always come in handy. A bit large for anything smaller than 5 gallons, but that's to be expected. It will make you wonder why nobody thought of it before. When I set up my newest tank I will be getting another one of these.

Overall Score
3.0


(2 Points)

4. Fluval Submersible Digital Thermometer

User Ratings: 63 12

Fluval 11194 First Impressions

"Perhaps it's my fault."

Very impressed, I have now had them in used for a month so far. My only complaint is that they tend to be a one time use. This thermometer is spot on accurate. So much easier than the ones that hang on the inside. Sure enough the digital thermometer was way off by 6 degrees! I have this thermometer on all my tanks. 6 inch long Bala Sharks that are known to be very unruly and boisterous.

  • Fluval Submersible Digital Thermometer
  • Features a large LED display
  • Fully submersible thermometer
  • Large screen for easy reading
  • Country Of Origin: China
  • Manufacture: Rolf C. Hagen (USA) Corp.
  • Product Dimensions: 1 x 2.6 x 4.9 inches; 0.81 Ounces
  • Editor's Impressions Of The Fluval 11194
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fluval 11194 Final Thoughts

"It sticks very firmly."

I needed a solution that was not breakable and these do the trick! I have this thermometer on all my tanks. The suction works for a month at a time- in pool and hot tub circulation. Since it is a mercury thermometer, it is very accurate. My 50+ eyes cannot read a regular tank thermometer without squinting. Ordered three of these and they do the job. I just wrote it off as a minor loss.

Overall Score
3.9


(53 Points)

5. 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)

6. Marina Floating Thermometer with Suction Cup

User Ratings: 70 5

Marina 11201A1 First Impressions

"So I guess I needed them!"

This thermometer is spot on accurate. So much so that I purchased a second set of 6. Still a recommendation for me due to price and accuracy. Personally I do not mind the way it looks in my aquarium. The digital display is nice and small as well. A bit large for anything smaller than 5 gallons, but that's to be expected. This is my first 5 star review out of many many reviews on Amazon.

  • Marina Floating Thermometer with Suction Cup
  • Easy to read floating aquarium thermometer with suction cups
  • Includes a safety zone indicator appropriate for most tropical fish
  • Equipped with suction cups to attach to the side of your fish tank
  • Ensures your aquarium is at the proper temperature
  • Thermometer is 4.25 inches tall
  • Manufacture: Marina
  • Product Dimensions: 7 x 4 x 1 inches; 0.35 Ounces
  • Editor's Impressions Of The Marina 11201A1
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Marina 11201A1 Final Thoughts

"I like this."

A bit large for anything smaller than 5 gallons, but that's to be expected. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. The digital display itself is easy to read at a glance. They are within a degree or two of other thermometers I've checked to compare them. I am extremely pleased with this product. He acted aggressively towards it and so I ultimate ended up removing it due to that. This temperature read a perfect 32 degrees.

Overall Score
4.4


(8702 Points)

7. GUOOU Aquarium Thermometer Sticker, Stick On Brewing Thermometer Strip, Temperature Display for Ferm...

User Ratings: 50

GUOOU First Impressions

"2 degrees of each other."

In this scenario it would probably get knocked loose a lot. All were Close enough for a fish tank and other uses. Checked with temp gun and the terrarium was on target at 88. I have it in both my aquariums now. I just wrote it off as a minor loss. Works well in my betta tank, but provide a couple hours for it to read temp changes. Only thing I don't love is how long the cord is.

  • GUOOU Aquarium Thermometer Sticker, Stick On Brewing Thermometer Strip, Temperature Display for Fermenting, Wine, Beer, Kombucha, 64℉ to 93℉, 20 Pack
  • 20 value set, 10 piece of Horizontal version and 10 piece of vertical version, meet your multiple needs.
  • Dimensions: 5.1 x 0.7 inch / 13 x 1.8 cm
  • The thermometer strip has a range of 64℉ to 93℉ and 18℃ to 34℃, the large numbers are Fahrenheit and the small numbers are Centigrade.
  • Easy to use, simply peel off the backing off and attach the thermometer sticker to the outside surface of aquarium, fish tank, wine jar, fermentation bucket and so on, works for fermenting kombucha, lagers and ales, one time use.
  • Responsive and easy to read, it will shows different color with different temperature, if it show multi-color, please choose the average value.
  • Manufacture: GUOOU
  • Editor's Impressions Of The GUOOU
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

GUOOU Final Thoughts

"Love this product!"

Far more accurate than the usual small glass ones or external LCD strips. Since it is a mercury thermometer, it is very accurate. Have checked them against the glass thermometers and the accuracy is right on. For something so cheap, they are working remarkably well. 50 thermometers, reads much easier and no suction cup residue, also looks better. I don't think they are backlit but for the price they are still nice. The units each had a battery in place and situated for immediate use.

Overall Score
4.5


(2 Points)

8. VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction C...

User Ratings: 71 3

VIVOSUN First Impressions

"Fast accurate readings."

Excellent working for our bearded dragon tank. It is my opinion that everyone should have these that are in the Aquarium Hobby. I ordered a new one and it works GREAT! The non-working ones still provide 2 batteries each AND. Water tested with Autidefy brand for two hours. The lid is textured aluminum, and the suction cups don't stick to that. This doesn't bother me as it ws so cheap.

  • VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction Cup for Turtle
  • HIGH ACCURACY: Temperature Range: -50℃ ~ +70℃ (-58 °F ~ +158 °F); This aquarium thermometer is accurate to +/- 1℃, no matter whether the probe is placed in any corner of this fish tank, an accurate temperature will be displayed
  • LCD DISPLAY: Comes with a large LCD display that is easy to read clearly and accurately
  • ADJUSTABLE UNIT TEMPERATURE: Easy to adjust the temp between Fahrenheit and Celsius displays; Long-press the power button to adjust the unit display
  • TWO SUCTION CUPS: Equipped with two suction cups, one for attaching the cable to the side of the tank and another for attaching the thermometer
  • SUPER LONG CABLE: The cable length connected to the probe is 39.37 inch (1 m) superior to 23.62 inch (60 cm) standard cable length; Allows accurate temperature measurements in even the largest fish tanks
  • 1. Open the battery cover on the back of this thermometer and insert the button battery to ensure the “+” positive electrode is face up;
  • 2. Use one suction cup to attach the back of this thermometer, then fix this unit to the outer of this fish tank, another suction cup is for attaching the cable;
  • 3. Submerge the probe attached cable into the fish tank;
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

VIVOSUN Final Thoughts

"There is no question."

Love it, it's easy to read and keeps an accurate temp. And I just really started to doubt it. 6 inch long Bala Sharks that are known to be very unruly and boisterous. Then is started to give a low reading, and it is not reading the correct temperature. Far more accurate than the usual small glass ones or external LCD strips. It's kind of difficult to hide and keep out of the way. I came here to give this product a positive review.

Overall Score
4.5


(512 Points)

9. Aquatic Gardens Aquarium Hydrometer with Thermometer

User Ratings: 25 25

Aquatic Gardens First Impressions

"The hotter, the faster."

These things are useful for a lot besides pet husbandry, too. This company is taking the long term view of how to do business right. I read some of the 1 star reviews and most of them are not about the product. I guess these units do not like saltwater. Sure enough the digital thermometer was way off by 6 degrees! And for the price you cant beat it. You can not swivle the thermometer to face a certain way.

  • Aquatic Gardens Aquarium Hydrometer with Thermometer
  • Manufacture: Aquatic Gardens
  • Editor's Impressions Of The Aquatic Gardens
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aquatic Gardens Final Thoughts

"There is no question."

I have to admit I had two reasons for buying six. The units each had a battery in place and situated for immediate use. 50 thermometers, reads much easier and no suction cup residue, also looks better. This is my first 5 star review out of many many reviews on Amazon. I did have a problem with one in my first pack of 6. The lid is textured aluminum, and the suction cups don't stick to that. The suction works for a month at a time- in pool and hot tub circulation.

Overall Score
3.2


(10 Points)

10. 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
  • Quality
  • Value For Money
  • Affordability

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


(34 Points)

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