Editor's Choice - Our Favorite Aquarium Equip Aquarium Thermometers

1. 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)

Peoples Choice - Other Highly Rated Aquarium Equip Aquarium Thermometers

2. Aquarium Equip LCD Digital Thermometer Temperature Meter

User Ratings: 50 50

Aquarium Equip A930 First Impressions

"I like this."

This doesn't bother me as it ws so cheap. The non-working ones still provide 2 batteries each AND. So much easier than the ones that hang on the inside. 82 PER THERMOMETER with battery included. The suction works for a month at a time- in pool and hot tub circulation. Personally I do not mind the way it looks in my aquarium. Love it, it's easy to read and keeps an accurate temp.

  • Aquarium Equip LCD Digital Thermometer Temperature Meter
  • Measuring Range: 0°C~50°C
  • Accuracy: ±1°C
  • Ambient temperature: -10°C~50°C
  • Battery: LR44x1
  • Measures approximately: 4.1cm(1.6''L)x2.7cm(1''W)x1.2cm(0.47''H)
  • Manufacture: Dr. Moss
  • Product Dimensions: 6.42 x 4.21 x 1.1 inches; 1.6 Ounces
  • Editor's Impressions Of The Aquarium Equip A930
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aquarium Equip A930 Final Thoughts

"Great product!"

It started working as soon as I put it in and has been working ever since. The suction will never be the same. Since it is a mercury thermometer, it is very accurate. So far, they're all doing their job in my four tanks and I am quite content. I got the second one as a bonus that I'm now using in my old tank. This little wonder allows me to see at a glance that everything is as it should be. I don't think they are backlit but for the price they are still nice.

Overall Score
3.0


(2 Points)

3. 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)

4. Reptilia Care Digital Infrared Thermometer for Reptiles, Terrarium Thermometer, Digital Reptile Ther...

User Ratings: 69

Reptilia First Impressions

"Great product!"

Sure enough the digital thermometer was way off by 6 degrees! I have always had trouble reading the color temp. So the extra units will always come in handy. The extra batteries where very much appreciated and came in handy. I bent it a little bit and when I put it back it was perfectly fine. 6 inch long Bala Sharks that are known to be very unruly and boisterous. This is my first 5 star review out of many many reviews on Amazon.

  • Reptilia Care Digital Infrared Thermometer for Reptiles, Terrarium Thermometer, Digital Reptile Thermometer Temperature Gun, Reptile Equipment for Reptile Habitat, Black
  • MONITOR WITHOUT DISTURBING - Monitor accurately from afar without disturbing your reptile with an 8:1 distance ratio. This infrared digital thermometer for reptiles measures accurately at greater distances compared to most other thermometer for reptiles
  • LASER GUIDE AND BACKLIT LCD - Inbuilt laser guide shows you exactly where you are measuring. No more guessing! Temperature reading in dimly lit conditions is a breeze with a LCD backlit display screen. Switch these features on or off to your liking
  • SIMPLY POINT, PRESS AND MEASURE - Easy and accurate temperature gun for reptiles. Accurately measures thermal gradient, basking area, incubation and hibernation temperatures easily. Press and hold to scan thermal gradient temperatures
  • PORTABLE AND VERSATILE - This small handheld pocket size temp gun for reptiles comes with a lanyard. You can hang it, store it, hook it around your wrist, or simply keep it in your pocket.
  • COMES WITH FREE CARE GUIDE - We have put together a set of habitat and care guides with ideal habitat temperature, terrarium thermometer setup and how to get the best out of this reptile temp gun. Temperature measurement range: -26 to 536°F (-32 to 280°C). Batteries not included
  • Manufacture: Fundamatter
  • Product Dimensions: 2 x 1.25 x 3.85 inches; 2.25 Ounces
  • Editor's Impressions Of The Reptilia
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Reptilia Final Thoughts

"Not just for aquariums!"

It's kind of difficult to hide and keep out of the way. He was moving slow in the winter and we realized he needed a heater! I came here to give this product a positive review. It works equally well on all of them. Personally I do not mind the way it looks in my aquarium. And for the price you cant beat it. It is about 6 inches in length and roughly an inch wide.

Overall Score
4.4


(29 Points)

5. BOYU BT-01 Glass Thermometer for Aquarium

User Ratings: 55 20

BOYU BT-01 First Impressions

"LOVE these thermometers."

One being a very expensive digital. You can use the thermometer with or without the plastic suction cup. So far, they're all doing their job in my four tanks and I am quite content. I have to admit I had two reasons for buying six. So far I've been very thrilled with these. This doesn't bother me as it ws so cheap. However, Lucy at Zacro read this review and emailed me.

  • BOYU BT-01 Glass Thermometer for Aquarium
  • Easy-to-read floating thermometer with suction cups
  • Includes a safety zone indicator
  • Ensures your aquarium is at a proper temperature
  • Celsius or Fahrenheit options
  • Manufacture: Tin Tin Trading Inc.
  • Product Dimensions: 1 x 1 x 4.5 inches; 0.64 Ounces
  • Editor's Impressions Of The BOYU BT-01
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

BOYU BT-01 Final Thoughts

"Very easy to read."

6 in a pack, extra batteries, easy set up, great price. Ambient room temperature measures 72. If the digital display starts to get dim, it's time for a new battery. I've checked it against two other thermometers that are accurate. A bit large for anything smaller than 5 gallons, but that's to be expected. The temperature fluctuated a lot with it. One being a very expensive digital.

Overall Score
3.7


(161 Points)

6. HEEPDD Reptile Thermometer Hygrometer, Mini Round Shape Dual Dial Thermometer and Humidity Gauge for...

User Ratings: 41 34

HEEPDD First Impressions

"LOVE these thermometers."

I have kept aquariums for about 45 years. The suction works for a month at a time- in pool and hot tub circulation. I used to have a large hang in the side tank that you couldn't miss. Ambient room temperature measures 72. Now if it falls into a sink full of water, it's not a problem. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. I used these on a number of my aquariums that have discus fish in them.

  • HEEPDD Reptile Thermometer Hygrometer, Mini Round Shape Dual Dial Thermometer and Humidity Gauge for Reptile Tank Lizard Tortoise Spider Chameleon Pet Rearing Box
  • 2 in 1 Design---Monitoring of temperature and humidity is essential in providing any reptile species with the correct environment. Adopt the principle of physical measurement, no maintenance needed, and no battery required.
  • Easy to Read---Large dual round dial with accuracy scales, easy to read. Temperature Measuring Range: -30-50°C, Humidity Measuring Range: 0-100%RH. Use different color coded segments for easy reading, blue means cold (humid), green means moderate, red means hot (dry).
  • Compact and Lightweight---The thermometer can be suspended level or placed on the use, can be displayed anywhere in the reptile habitat without getting in the way of your pal’s view.
  • Applicable Scenes---Widely used for lizard, tortoise, spider, chameleon in vivariums, hatchers, brooders, propagators, etc. Also suitable for pet, warehouse, hospital, laboratory, air-conditioned room, etc.
  • Satisfaction Guarantee---We greatly value our customers and want you to be completely satisfied with your purchase. If you aren't happy with your shopping experience or product, we urge you to contact us so we can resolve the issue!
  • Manufacture: HEEPDD
  • Product Dimensions: 6.1 x 2.95 x 0.59 inches; 2.12 Ounces
  • Editor's Impressions Of The HEEPDD
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

HEEPDD Final Thoughts

"I like this."

One extra battery came with each unit. I was using one of those ubiquitous cheap digital thermometers on Amazon. For something so cheap, they are working remarkably well. Then is started to give a low reading, and it is not reading the correct temperature. These digital thermometers are great and there is no guesswork involved. This little wonder allows me to see at a glance that everything is as it should be. So, in those cases, I find it easier to simply replace it.

Overall Score
3.0


(11 Points)

7. Shyfish LCD Digital Aquarium Thermometer,Fish Tank Water Terrarium Temperature for Fish and Reptiles...

Shyfish First Impressions

"So we are ordering more."

I was using one of those ubiquitous cheap digital thermometers on Amazon. I have this thermometer on all my tanks. A bit large for anything smaller than 5 gallons, but that's to be expected. These are the perfect size to be easily read while not being obtrusive. Far more accurate than the usual small glass ones or external LCD strips. Still a recommendation for me due to price and accuracy. It worked great and I highly recommend it!

  • Shyfish LCD Digital Aquarium Thermometer,Fish Tank Water Terrarium Temperature for Fish and Reptiles,Room Temperature,Indoor Humidity 3 in1(Fahrenheit)
  • Show clearly temperature: Pure transparent screen, You can read the temperature data clearly in the LCD screen. You can choose seither Fahrenheit or Celsius according to your need
  • Accurate measurement:The high-precision temperature probe can be immersed in the water for a long time to truly measure the temperature of the fish tank,Please note that taking into account the indoor temperature and humidity measurement the thermometer reading has about 0.3 degree deviation
  • Multifunctional measurement:Fish tank water temperature, room temperature, indoor humidity, three in one
  • Alarm function: Independently set high and low temperature thresholds, and automatically alarm when the threshold is exceeded.
  • Easy to use: Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water)
  • Manufacture: Shyfish
  • Product Dimensions: 4.96 x 2.95 x 0.35 inches; 3.53 Ounces
  • Batteries: 1 CR2 batteries required. (included)
  • Editor's Impressions Of The Shyfish
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Shyfish Final Thoughts

"2 degrees of each other."

It is always where yo last put it and it is very easy to see and read. I have bought many many temperature gauges for my various fish tanks over the years. I bought these for my dwc reservoirs. I've checked it against two other thermometers that are accurate. The suction cups work well anywhere I have placed it it has not Fallen. Simple fix, you adjust the thermometer within the suction cup and VIOLA! My 50+ eyes cannot read a regular tank thermometer without squinting.

Overall Score
5.0


(1 Points)

8. 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)

9. Wansan LCD Digital Aquarium Thermometer for Fish Tank Water Terrarium Temperature (Pack of 1,Black)

Wansan First Impressions

"1 degree of each other."

It is about 6 inches in length and roughly an inch wide. We are using them to measure various temperatures inside and outside of a motorhome. So this is the extreme end of the high temperature range. The suction will never be the same. I tested this in a cup crammed full of ice and some water. These digital thermometers are great and there is no guesswork involved. We are using them to measure various temperatures inside and outside of a motorhome.

  • Wansan LCD Digital Aquarium Thermometer for Fish Tank Water Terrarium Temperature (Pack of 1,Black)
  • Our Thermometer is made of durable plastic and clear, big LCD screen, lightweight and easy to read.
  • Package including:1 x Aquarium Thermometer
  • Submerge probe into fish tank to measure water temperature (Submerge probe only, do not submerge thermometer in water).
  • Easy to install.
  • Compact design for discrete use
  • Manufacture: Wansan
  • Product Dimensions: 0.39 x 0.39 x 0.39 inches; 1.06 Ounces
  • Editor's Impressions Of The Wansan
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Wansan Final Thoughts

"Buy these."

The plastic from the suction cup quickly turned from a clear to a milky white. We are using them to measure various temperatures inside and outside of a motorhome. I think the people who said the suction cup broke. This company is taking the long term view of how to do business right. This thermometer is spot on accurate. I used to have a large hang in the side tank that you couldn't miss. We are using them to measure various temperatures inside and outside of a motorhome.

Overall Score
5.0


(1 Points)

10. American Thermal Liquid Crystal Aquarium Thermometer Vertical Small

User Ratings: 72 7

Amer Thermal Instruments BC002021 First Impressions

"Perhaps it's my fault."

I have to admit I had two reasons for buying six. It is always where yo last put it and it is very easy to see and read. The units each had a battery in place and situated for immediate use. These things are useful for a lot besides pet husbandry, too. This thermometer is spot on accurate. The units each had a battery in place and situated for immediate use. 6 in a pack, extra batteries, easy set up, great price.

  • American Thermal Liquid Crystal Aquarium Thermometer Vertical Small
  • Know your aquarium's temperature at a glance
  • Easy-to-read and accurate thermometer mounts on outside of your aquarium
  • Unbreakable, non-corrosive, and non-toxic
  • Fahrenheit scale
  • Manufacture: Amer Thermal Instruments
  • Editor's Impressions Of The Amer Thermal Instruments BC002021
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Amer Thermal Instruments BC002021 Final Thoughts

"Which is good."

You can glue, tape or simply cover the cords in the tank to keep them discreet. The suction cups work well anywhere I have placed it it has not Fallen. Simple fix, you adjust the thermometer within the suction cup and VIOLA! The digital display itself is easy to read at a glance. I can't say which is the most accurate and don't really care. In the right situation this magnet thermometer is the best available. So versatile, I can read the temperatures literally anywhere.

Overall Score
4.4


(384 Points)

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