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. JARDIN Aquarium Digital Thermometer with Probe

User Ratings: 50 50

JARDIN a12101200ux0125 First Impressions

"Would buy again."

I got root rot after light leaks and high water temps. This company is taking the long term view of how to do business right. Who knows, whatever it was, it was revolting! The display can be set to Fahrenheit or Celsius. The temperature fluctuated a lot with it. They reviewed the packaging or shipping by saying it arrived broken. Far more accurate than the usual small glass ones or external LCD strips.

  • JARDIN Aquarium Digital Thermometer with Probe
  • Product Name : Aquarium Thermometer; Color : Black
  • Material : Plastic; Power : 1 x AAA Battery ( Not Included)
  • Size : 11. 5 x 3 x 3cm/4.5" x 1.2" x 1.2"(L*W*H);Cable Length : 1M/39.4"
  • Weight : 40g
  • Package Contents : 1 × Aquarium Thermometer
  • Manufacture: Jardin
  • Product Dimensions: 4.72 x 1.57 x 1.57 inches; 1.44 Ounces
  • Editor's Impressions Of The JARDIN a12101200ux0125
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

JARDIN a12101200ux0125 Final Thoughts

"I am new to the hobby."

Ambient room temperature measures 72. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. I bent it a little bit and when I put it back it was perfectly fine. He was moving slow in the winter and we realized he needed a heater! I had my heater set at 73-degrees and the thermometers showed 74. Far more accurate than the usual small glass ones or external LCD strips. All were Close enough for a fish tank and other uses.

Overall Score
3.0


(3 Points)

5. Aquarium Fish Tank Thermometer with Easy Read Large Numbers and Ideal Range Guide for Fresh or Marin...

AquariumH2o First Impressions

"Never had any problems."

The suction works for a month at a time- in pool and hot tub circulation. I was using one of those ubiquitous cheap digital thermometers on Amazon. For the price I'll probably end up putting these in all of my aquariums. Set all six probes up in a terrarium with a constant temp of 88. Set all six probes up in a terrarium with a constant temp of 88. I removed the batteries of the units I wasn't using right away. I have kept aquariums for about 45 years.

  • Aquarium Fish Tank Thermometer with Easy Read Large Numbers and Ideal Range Guide for Fresh or Marine Fish Tank
  • Easy to read Glass Thermometer
  • Floats at top of aquarium, weighted end keeps upright
  • Includes rubber suction cup to attach to glass or plastic aquarium walls
  • Sealed glass, easy to clean Length 4 1/4" x 1/2" diameter Ideal for fresh water, marine, aquariums, terrariums, vivariums and fish tanks
  • Manufacture: United Aquatics, LLC.
  • Editor's Impressions Of The AquariumH2o
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AquariumH2o Final Thoughts

"2 deg of 32."

6 in a pack, extra batteries, easy set up, great price. So much so that I purchased a second set of 6. Far more accurate than the usual small glass ones or external LCD strips. The suction cups work well anywhere I have placed it it has not Fallen. This little wonder allows me to see at a glance that everything is as it should be. Works well in my betta tank, but provide a couple hours for it to read temp changes. 82 PER THERMOMETER with battery included.

Overall Score
5.0


(1 Points)

6. Marina Deluxe Floating Thermometer with Suction Cup

User Ratings: 69 7

Marina 11204 First Impressions

"THERE'S MORE!"

Was going to get a floater until I saw this magnetic one! 82 PER THERMOMETER with battery included. If the digital display starts to get dim, it's time for a new battery. And is easily hidden behind a plant. So far, they're all doing their job in my four tanks and I am quite content. I tested this in a cup crammed full of ice and some water. Sure enough the digital thermometer was way off by 6 degrees!

  • Marina Deluxe Floating Thermometer with Suction Cup
  • Easy-to-read floating thermometer
  • Includes a safety zone indicator
  • Equipped with suction cups
  • Ensures your aquarium is at a proper temperature
  • Temperature range of 30 to 120 degrees Fahrenheit
  • Manufacture: Marina
  • Product Dimensions: 0.5 x 3.8 x 4.3 inches; 0.18 Ounces
  • Editor's Impressions Of The Marina 11204
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Marina 11204 Final Thoughts

"The hotter, the faster."

I've checked it against two other thermometers that are accurate. Love it, it's easy to read and keeps an accurate temp. A bit large for anything smaller than 5 gallons, but that's to be expected. A battery can last you up to six months, I'd say, but expect more like three. I have to admit I had two reasons for buying six. However, Lucy at Zacro read this review and emailed me. A battery can last you up to six months, I'd say, but expect more like three.

Overall Score
4.4


(649 Points)

7. Marina Floating Thermometer

User Ratings: 66 11

Marina 11200A1 First Impressions

"Versatile."

Have checked them against the glass thermometers and the accuracy is right on. 50 thermometers, reads much easier and no suction cup residue, also looks better. The units each had a battery in place and situated for immediate use. In this scenario it would probably get knocked loose a lot. One of my aquariums is glass, and the other two are plastic. So far, they're all doing their job in my four tanks and I am quite content. Then is started to give a low reading, and it is not reading the correct temperature.

  • Marina Floating Thermometer
  • Item Package Height: 19.812 Centimeters
  • Item Package Length: 1.778 Centimeters
  • Item Package Width: 10.922 Centimeters
  • Product Type: Pet Supplies
  • Manufacture: Marina
  • Product Dimensions: 0.4 x 3.7 x 4.2 inches; 0.64 Ounces
  • Editor's Impressions Of The Marina 11200A1
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Marina 11200A1 Final Thoughts

"Super easy."

Excellent working for our bearded dragon tank. These things are useful for a lot besides pet husbandry, too. I ordered a new one and it works GREAT! I bent it a little bit and when I put it back it was perfectly fine. I used these on a number of my aquariums that have discus fish in them. Have checked them against the glass thermometers and the accuracy is right on. So far, they're all doing their job in my four tanks and I am quite content.

Overall Score
4.2


(102 Points)

8. Aquarium Submersible Glass Thermometer With Suction 14Cm Hydrometer Waterproof Fish Tank Durable

User Ratings: 59

Fashion Life First Impressions

"Great for price."

He was moving slow in the winter and we realized he needed a heater! Place it on your aquarium and you are good to go. One being a very expensive digital. When and if we run out of this batch, I'll instantly order another batch. So this is the extreme end of the high temperature range. So, in those cases, I find it easier to simply replace it. He was moving slow in the winter and we realized he needed a heater!

  • Aquarium Submersible Glass Thermometer With Suction 14Cm Hydrometer Waterproof Fish Tank Durable
  • Aquarium and exo terra reptile tank thermometer.
  • Made of high quality glass, clear and easy to read.
  • Stable and durable enough for a long time use.
  • Manufacture: Fashion Life
  • Editor's Impressions Of The Fashion Life
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fashion Life Final Thoughts

"Love it for my turtles."

49 thermometer that is 100% accurate. Personally I do not mind the way it looks in my aquarium. 50 thermometers, reads much easier and no suction cup residue, also looks better. I used to have a large hang in the side tank that you couldn't miss. I bent it a little bit and when I put it back it was perfectly fine. I am extremely pleased with this product. 89 I could buy Six Thermometers with Six included batteries.

Overall Score
4.2


(4 Points)

9. 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)

10. Qguai Aquarium Thermometer, C/F Switch LCD Digital Fish Tank Thermometer with Large Clear Screen, Mo...

User Ratings: 70 6

Qguai First Impressions

"Very easy to read."

I have always had trouble reading the color temp. It is about 6 inches in length and roughly an inch wide. It is easy to use and install it'disappears' in your tank it is so unobtrusive. The display can be set to Fahrenheit or Celsius. So much easier than the ones that hang on the inside. So the extra units will always come in handy. The temperature fluctuated a lot with it.

  • Qguai Aquarium Thermometer, C/F Switch LCD Digital Fish Tank Thermometer with Large Clear Screen, Monitor Water Terrarium Temperature, No Messy Wires in Your Saltwater Freshwater and Reef Aquarium.
  • Simple and Sleek Aquarium Thermometer: Digital number display on large clear screen ensures you to read current temperature quickly and accurately without any blind zone. no probe or messy wires in water reduce electronic component aging problem.
  • Accurately monitor water temperature in Fahrenheit or Celsius: Just press “up” or “down” to switch C / F, and this temperature thermometer will display reading from 0C to 70C / 32F - 158F with precision backside temperature probe stick on the fish tank, it is accurate to 0.1.
  • Easy to set up safe zone: This Self-adhensive fish tank thermometer is powered by CR2032 (included), you just need to tear down the film and stick it to the outside of your fish tank. Specially made insulative tape is easy to remove and will not leave any stain on your fish tank.
  • Wide application: Suitable for different water types such as fresh water, tap water, salt water, marine water, can be used as terrarium thermometer to monitor the living temperature for reptile such as lizard, turtle.
  • Our Fish Aquarium Thermometer is backed by 6 Month Warranty. Contact us if you have any problem.
  • Manufacture: Qguai
  • Batteries: 2 Product Specific batteries required. (included)
  • Editor's Impressions Of The Qguai
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Qguai Final Thoughts

"Would buy again."

Ordered three of these and they do the job. This temperature read a perfect 32 degrees. Good cheap accurate aquarium thermometer. The display can be set to Fahrenheit or Celsius. I had my heater set at 73-degrees and the thermometers showed 74. However, Lucy at Zacro read this review and emailed me. All were Close enough for a fish tank and other uses.

Overall Score
4.4


(244 Points)

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