Editor's Choice - Our Favorite WiFi Aquarium Thermometers

1. Inkbird Wireless Thermometer and Hygrometer Use Android and iOS Smart Sensor Data Logger with Extern...

User Ratings: 60 5

Inkbird First Impressions

"Easy set up."

It's kind of difficult to hide and keep out of the way. Just BE CAREFUL WHEN ADJUSTING, IT IS GLASS AND WILL BREAK. My poor fish was in 86 degrees water for a month. As you can see from my photos, in both°F and°C, all six are within. It started working as soon as I put it in and has been working ever since. Who knows, whatever it was, it was revolting! And for the price you cant beat it.

  • Inkbird Wireless Thermometer and Hygrometer Use Android and iOS Smart Sensor Data Logger with External Aquarium Probe for Aquarium Pet Shrimp Coral Fish Aquatic Pets
  • 【Flexible】 Add an Inkbird M1 WiFi Gateway (sold separately) for data and alerts via the Internet. It's BT(Bluetooth) enable without gateway
  • 【APP & Multiple Devices】 Free APP (Engbird) can be applied to IOS and Android system, which supports multi-language. History and immediacy data can be remotely checked. One mobile phone can monitor more than one sensor, and one sensor can be monitored by more than one mobile phone.
  • 【Measuring Range】 Monitoring Range: 30 meters / 100ft (No Obstructions). Temperature Range: -104~140°F/-40~60°C (Inner Sensor), -104~212°F/-40~100°C (External Probe). Humidity Range: 0~99%RH
  • 【Data Storage & Sampling Interval】 Hold data for 20 days if the sampling interval is 1min, and the max date storage is 30000 points. Different sampling interval can be setting.(10s/ 30s/ 1min/ 2mins/ 5mins/ 10mins/ 30mins) The saving data time will be different if you choose different sampling interval.
  • 【Probe & Mode】 Inside and external probe are supplied.External aquarium probes can only measure temperature, not both internal and external temperatures.
  • - Free IOS and Android APP to monitor temperature and humidity at any time
  • - APP supports multi language, °C /°F mode and product with magnet base
  • - One phone can connect more than one IBS-TH1 at the same time. And one IBS-TH1 can be connected with more than one phone at the same time
  • Manufacture: Inkbird
  • Item Weight: 3.2 ounces
  • Editor's Impressions Of The Inkbird
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Inkbird Final Thoughts

"Changed to 5-stars now."

These things are useful for a lot besides pet husbandry, too. I read some of the 1 star reviews and most of them are not about the product. This doesn't bother me as it ws so cheap. I don't think they are backlit but for the price they are still nice. My 50+ eyes cannot read a regular tank thermometer without squinting. And for the price you cant beat it. In the right situation this magnet thermometer is the best available.

Overall Score
4.2


(35 Points)

Peoples Choice - Other Highly Rated WiFi Aquarium Thermometers

2. Inkbird C929A Smart Digital WiFi Temperature Controller for Aquarium Fish Tank Wireless Thermostat f...

User Ratings: 48 13

Inkbird First Impressions

"They all were within."

He acted aggressively towards it and so I ultimate ended up removing it due to that. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. 6 in a pack, extra batteries, easy set up, great price. The units each had a battery in place and situated for immediate use. This little wonder allows me to see at a glance that everything is as it should be. Very accurate, have checked it with other thermometers as well. This thermometer is spot on accurate.

  • Inkbird C929A Smart Digital WiFi Temperature Controller for Aquarium Fish Tank Wireless Thermostat for Reptiles Terrarium
  • Equipped with 2 probes measure the temperature,double protection from overheating,peace in mind.
  • WiFi & APP remote monitor & control, get alarms of high/low-temperature or errors from APP & device
  • Easy to set up, plug and play, pre-wired and compatible with 110V heaters or fans.1200W max
  • Alarms if the Temperature difference is over 5℉, or continuous heating time exceeds expectations
  • Built-in dual relays enable power off when one of the relays is defective, overheated is prevent
  • Manufacture: Lerway Tech
  • Product Dimensions: 3.54 x 1.18 x 2.48 inches; 7.83 Ounces
  • Editor's Impressions Of The Inkbird
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Inkbird Final Thoughts

"Easy to setup in tank."

It worked great and I highly recommend it! You can glue, tape or simply cover the cords in the tank to keep them discreet. So far I've been very thrilled with these. I'm pretty sure those reviewers have acrylic tanks. Was going to get a floater until I saw this magnetic one! The plastic from the suction cup quickly turned from a clear to a milky white. I have always had trouble reading the color temp.

Overall Score
3.9


(30 Points)

3. SunGrow LCD Digital Betta Thermometer, Accurately Reads Tank Water Temperature, Maintains Betta's Re...

User Ratings: 68 3

SunGrow First Impressions

"Love it for my turtles."

This is how you calibrate a thermometer. Very accurate, have checked it with other thermometers as well. You can not swivle the thermometer to face a certain way. I had my heater set at 73-degrees and the thermometers showed 74. I came here to give this product a positive review. They reviewed the packaging or shipping by saying it arrived broken. It will make you wonder why nobody thought of it before.

  • SunGrow LCD Digital Betta Thermometer, Accurately Reads Tank Water Temperature, Maintains Betta's Real Habitat, Easy to Install, Comes with 2 Suction Cups and Battery
  • MAINTAINS TROPICAL HABITAT FOR BETTA--- In nature, betta fish are often found in warm and hot waters in low altitude areas such as Burma and Thailand. For the healthiest and most active betta, it is important to make their environment as close as possible to their habitat. Since betta are accustomed to consistent tropical temperatures, having an effective betta thermometer is essential to ensure the perfect temperature for your pet fish.
  • ACCURATELY MONITORS BETTA TANK WATER TERRARIUM TEMPERATURE --- When it comes to monitoring the water temperature of your betta tank, the most useful tool you can find is an aquarium thermometer. Don’t let your betta tell you it’s too cold or hot in the tank for them, by getting ill, and risk losing them. The durable, reliable Digital Thermometer from SunGrow quickly tells you the temperature at a quick glance any time, so that you can make potentially life saving adjustments to your betta tank
  • SHOWS TEMPERATURE IN FAHRENHEIT OR CELSIUS --- SunGrow Digital Thermometer displays the temperature in both Fahrenheit and Celsius and has a measurement of -58° to +158°F. If the water temperature is outside of that range, the screen will display L° for low temps and H° for high temps. To check the temperature, submerge the 38” cable and reading tip into the water and attach it using the suction cup. Then using another suction cup, place the LCD thermometer in a place most convenient for you
  • HELPS PROTECT BETTA FUR COAT SYNDROME --- As they are so sensitive to water temperature changes, betta are particularly susceptible to issues like Fur Coat Syndrome. It is a dermal infection that discolors betta’s fins and covers your fish in a furry mold. Fur Coat Syndrome is nearly always fatal within 30hrs of symptoms showing and is highly contagious. However, this is easily prevented if you keep your betta’s water between 78° and 80° Fahrenheit.
  • ENSURE HAPPINESS & LONGEVITY OF BETTA --- Being able to quickly and accurately read your betta tank’s water temperature is essential to keeping your betta fish healthy. Changes in water temperature can greatly stress out betta fish and seriously harm them. By using SungGrow Digital Thermometer,you ensure the happiness and longevity of your betta.
  • Manufacture: Luffy Pets Collection
  • Editor's Impressions Of The SunGrow
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

SunGrow Final Thoughts

"Suction cups fail."

I used these to raise chicks, and in my parrot cages. My 50+ eyes cannot read a regular tank thermometer without squinting. And for the price you cant beat it. One being a very expensive digital. 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. I have mine on my 60 gallon cube marine tank.

Overall Score
4.4


(159 Points)

4. Fluval Nano Thermometer

User Ratings: 64 12

Fluval 11199 First Impressions

"There is no question."

The only reason I didn't give this 5 stars is because my betta fish didn't like it. And for the price you cant beat it. I needed a solution that was not breakable and these do the trick! They reviewed the packaging or shipping by saying it arrived broken. These things are useful for a lot besides pet husbandry, too. I have this thermometer on all my tanks. I just wrote it off as a minor loss.

  • Fluval Nano Thermometer
  • Thermometer ideal for use with Fluval EBI Nano Shrimp and Fluval Flora Aquatic Plant Kits
  • Temperature range of 35-125 Fahrenheit
  • Accurate and easy to read
  • Perfect size for your aquarium
  • Measures 4 inches tall
  • Manufacture: Fluval
  • Product Dimensions: 1 x 2.3 x 4 inches; 0.48 Ounces
  • Editor's Impressions Of The Fluval 11199
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fluval 11199 Final Thoughts

"Love it for my turtles."

2 deg, if it was 32, it would be a SOLID block of ice. 6 inch long Bala Sharks that are known to be very unruly and boisterous. It is about 6 inches in length and roughly an inch wide. It worked great and I highly recommend it! It is about 6 inches in length and roughly an inch wide. I used these on a number of my aquariums that have discus fish in them. It is about 6 inches in length and roughly an inch wide.

Overall Score
4.1


(147 Points)

5. MINDPET-MED Fast Clinical Pet Thermometer for Dogs, Cats, Animals with 3 Switchable Modes (Body, Obj...

User Ratings: 52 14

MINDPET-MED First Impressions

"2 deg of 32."

I read some of the 1 star reviews and most of them are not about the product. Sure enough the digital thermometer was way off by 6 degrees! Then is started to give a low reading, and it is not reading the correct temperature. The plastic from the suction cup quickly turned from a clear to a milky white. Since it is a mercury thermometer, it is very accurate. Who knows, whatever it was, it was revolting! Since it is a mercury thermometer, it is very accurate.

  • MINDPET-MED Fast Clinical Pet Thermometer for Dogs, Cats, Animals with 3 Switchable Modes (Body, Object Surface Temp,Room), Body Modes accurately Measures pet Ear Temperature, C/F Switchable
  • Fast reading in 1 second without contacting to pets, close to ear,32 memories recall help you monitor pet body temperature better.
  • High contrast backlight for clearly reading, Celsius or Fahrenheit switchable
  • Animal friendly, special design for dogs, cats, horses, rabbits and other big ear animals.
  • Auto Beep alarm with a Pre-setting temperature
  • Easy to carry and store, runs on two AAA alkaline batteries, measures 7-inch length with package
  • Manufacture: Mindpet-med
  • Editor's Impressions Of The MINDPET-MED
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

MINDPET-MED Final Thoughts

"I must say."

For something so cheap, they are working remarkably well. A bit large for anything smaller than 5 gallons, but that's to be expected. Love it, it's easy to read and keeps an accurate temp. When I set up my newest tank I will be getting another one of these. Still a recommendation for me due to price and accuracy. So much so that I purchased a second set of 6. And for the price you cant beat it.

Overall Score
3.8


(59 Points)

6. capetsma Mini Hygrometer Reptile Thermometer Digital LCD Monitor Reptile Thermostat Humidity Meter ...

User Ratings: 50

capetsma First Impressions

"No issues."

I think the people who said the suction cup broke. The digital display itself is easy to read at a glance. Since it is a mercury thermometer, it is very accurate. I can't say which is the most accurate and don't really care. 2 deg, if it was 32, it would be a SOLID block of ice. Still a recommendation for me due to price and accuracy. Place it on your aquarium and you are good to go.

  • capetsma Mini Hygrometer Reptile Thermometer Digital LCD Monitor Reptile Thermostat Humidity Meter Gauge Reptile Supplies Humidifier for Terrarium Greenhouse Basement Babyroom - F/C - Sound Alarm
  • Wide Application: This hygrometer thermometer is suitable for various occasions like reptile supplies, or you can use it in your car home, kindergartens , schools and places equipped with air conditioners, etc.
  • Easy to use: capetsma digital reptile thermometer shows the temperature and humidity on clear LCD screen, accurate and easy to read, 24/7 monitoring helps you make sure your reptiles are in perfect condition. Just take a glance as you passed by or feeding, read or do some adjustment if needed.
  • Accurate Display: With an accurate temperature sensor inside, these hygrometer reptile supplies will measure every 10 seconds and display reading from 0C to 70C / 32F -158F, with a temperature mistake range +- 1C / +- 2F. Measures humidity from 10% to 90%, mistake range +/-5%.
  • Easy to install and remove with hook and velcro: No messy wires in tank, rustproof and durable, Just stick on the inside of the acrylic or glass terrarium, this reptile accessories humidity gauge will stay on steadily, not like thermometers with suction cup, it will not fall off and frighten your pal.
  • 12 month warranty: We are dedicated to ensuring your 100% satisfaction and we offer 12 month warranty. if you have any problem, just contact us and we will reply you within 24 hrs.
  • Manufacture: capetsma
  • Product Dimensions: 1.97 x 1.18 x 0.47 inches; 1.06 Ounces
  • Batteries: 1 CR2 batteries required. (included)
  • Editor's Impressions Of The capetsma
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

capetsma Final Thoughts

"Great product!"

I guess these units do not like saltwater. As you can see from my photos, in both°F and°C, all six are within. So versatile, I can read the temperatures literally anywhere. This thermometer is spot on accurate. 2 deg, if it was 32, it would be a SOLID block of ice. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. 50 thermometers, reads much easier and no suction cup residue, also looks better.

Overall Score
4.5


(2 Points)

7. Waterproof Digital Instant Read Food and Meat Thermometer for Kitchen, Outdoor Cooking, BBQ, and Gri...

User Ratings: 53 9

star sound source First Impressions

"Would buy again."

Good cheap accurate aquarium thermometer. When I set up my newest tank I will be getting another one of these. I'm pretty sure those reviewers have acrylic tanks. I came here to give this product a positive review. 6 in a pack, extra batteries, easy set up, great price. Excellent working for our bearded dragon tank. You can glue, tape or simply cover the cords in the tank to keep them discreet.

  • Waterproof Digital Instant Read Food and Meat Thermometer for Kitchen, Outdoor Cooking, BBQ, and Grill with Fahrenheit and Celsius can be converted (BBQ TP)
  • Instant Reading of The Thermometer is Quick: the instant reading thermometer uses a food grade stainless steel probe sensor to obtain accurate temperature readings, oF / oC can be switched.
  • Free Switching Between Celsius and Fahrenheit: Celsius temperature range -50°C~300°C; Fahrenheit temperature range of -58°F~572°F to ±1°C, suitable for indoor and outdoor cooking, barbecue, barbecue, etc.
  • Waterproof Rating is IP67: The thermometer can be cleaned under running water without worry! Rugged ABS plastic body for accidental drops or other crashes
  • Easy to Use: Sensitive probe, easy to use, precise temperature measurement, easy to store and carry.
  • Customer Service: If you have any questions or problems, please feel free to contact us and we will get back to you within 24 hours.
  • Manufacture: star sound source
  • Item Weight: 0.564 ounces
  • Batteries: 1 CR2 batteries required. (included)
  • Editor's Impressions Of The star sound source
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

star sound source Final Thoughts

"Fish and me happy."

It's kind of difficult to hide and keep out of the way. I used to have a large hang in the side tank that you couldn't miss. I have mine on my 60 gallon cube marine tank. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. 6 inch long Bala Sharks that are known to be very unruly and boisterous. Ambient room temperature measures 72. I have mine on my 60 gallon cube marine tank.

Overall Score
3.9


(75 Points)

8. Aquarium Thermometer, Fish Tank Thermometer, Water Thermometer with LCD Display Fahrenheit/Celsius(...

User Ratings: 67 3

AikTryee First Impressions

"2 deg of 32."

It is large enough to see without being obtrusive. So much so that I purchased a second set of 6. It started working as soon as I put it in and has been working ever since. I used these to raise chicks, and in my parrot cages. Was going to get a floater until I saw this magnetic one! Place it on your aquarium and you are good to go. We are using them to measure various temperatures inside and outside of a motorhome.

  • Aquarium Thermometer, Fish Tank Thermometer, Water Thermometer with LCD Display Fahrenheit/Celsius(℉/℃) for Vehicle Reptile Terrarium Fish Tank Refrigerator by AikTryee
  • 【PRODUCT MATERIAL】Aquarium Thermometer uses a high-precision stainless steel sensor probe to measure the water temperature of the aquarium. The main unit uses a professional LCD display to solve the problem of not knowing the temperature of the fish tank, thus providing a healthy and comfortable water environment for all kinds of fish.
  • 【WIDE TEMPERATURE TEST】Fish Tank Thermometer Temperature Range -58 ℉ ~ +500℉; Temperature measurement accuracy: ±1℉; It can be used in temperature sensing of many types of liquids, making your temperature measurement so simple.
  • 【LONG BATTERY LIFE】Water Thermometer Powered by Two LR44 Button Cell (Included), Battery Working Time up to 8 Months.
  • 【LARGE SCREEN DISPLAY】Digital Aquarium Thermometer with a Large Screen 1.6 inch LCD Display, Easy to Read Temperature for Children or Older People, Real-time monitoring of changes in water temperature.
  • 【Package Includes】Aquarium Thermometer 1 x Digital Aquarium Thermometer, 2 x Suction cup mounts, 1 x User manual, LR44 battery included.
  • Manufacture: AikTryee
  • Product Dimensions: 2.28 x 1.4 x 0.47 inches; 1.31 Ounces
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The AikTryee
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AikTryee Final Thoughts

"Disappointed."

Very impressed, I have now had them in used for a month so far. They reviewed the packaging or shipping by saying it arrived broken. The suction works for a month at a time- in pool and hot tub circulation. 6 inch long Bala Sharks that are known to be very unruly and boisterous. The plastic from the suction cup quickly turned from a clear to a milky white. The lid is textured aluminum, and the suction cups don't stick to that. This temperature read a perfect 32 degrees.

Overall Score
4.4


(79 Points)

9. Zoo Med Hermit Crab Thermometer and Humidity Gauge, Colors May Vary

User Ratings: 72 4

Zoo Med HC-11 First Impressions

"So far so good."

Excellent working for our bearded dragon tank. 49 thermometer that is 100% accurate. This company is taking the long term view of how to do business right. I used to have a large hang in the side tank that you couldn't miss. Place it on your aquarium and you are good to go. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. This is my first 5 star review out of many many reviews on Amazon.

  • Zoo Med Hermit Crab Thermometer and Humidity Gauge, Colors May Vary
  • Allows precise monitoring of temperature and humidity
  • Unique velcro backing
  • High level of accuracy
  • Manufacture: Zoo Med Laboratories
  • Item Weight: 0.8 ounces
  • Product Dimensions: 5.2 x 3.2 x 0.6 inches
  • Editor's Impressions Of The Zoo Med HC-11
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zoo Med HC-11 Final Thoughts

"Very accurate."

The suction works for a month at a time- in pool and hot tub circulation. Checked with temp gun and the terrarium was on target at 88. I have to admit I had two reasons for buying six. So, in those cases, I find it easier to simply replace it. I have mine on my 60 gallon cube marine tank. The extra batteries where very much appreciated and came in handy. Put them all in the same tank and they read very close to each other.

Overall Score
4.5


(368 Points)

10. Hang on Thermometer 18cm WL- Aquarium Freshwater Marine Fish Tank

Aquarium Equip HTWL 白L溫度計 First Impressions

"Great product!"

I needed a solution that was not breakable and these do the trick! Instead she sent a new package of two, both of which work. This little wonder allows me to see at a glance that everything is as it should be. If the digital display starts to get dim, it's time for a new battery. All are pretty accurate within one degree as claimed. I have always had trouble reading the color temp. When and if we run out of this batch, I'll instantly order another batch.

  • Hang on Thermometer 18cm WL- Aquarium Freshwater Marine Fish Tank
  • Product name: Hang on thermometer White(w-L) 18cm(7")
  • a. Accurate. b. Easy to read. c. For freshwater and marine tank. d. Easy install and without using sucker.
  • Manufacture: HTWL 白L溫度計
  • Editor's Impressions Of The Aquarium Equip HTWL 白L溫度計
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aquarium Equip HTWL 白L溫度計 Final Thoughts

"Very accurate."

The plastic from the suction cup quickly turned from a clear to a milky white. Was going to get a floater until I saw this magnetic one! I am extremely pleased with this product. The non-working ones still provide 2 batteries each AND. Put them all in the same tank and they read very close to each other. They are within a degree or two of other thermometers I've checked to compare them. The suction cups work well anywhere I have placed it it has not Fallen.

Overall Score
5.0


(2 Points)

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