Editor's Choice - Our Favorite Lifegard Aquatics Aquarium Thermometers

1. Lifegard Aquatics Full-View 5 Gallon Aquarium R800204 with LED Light Heater Thermometer, Net & Built...

User Ratings: 46 24

Lifegard Aquatics R800204 First Impressions

"The hotter, the faster."

If the digital display starts to get dim, it's time for a new battery. Works well in my betta tank, but provide a couple hours for it to read temp changes. Have checked them against the glass thermometers and the accuracy is right on. These are the perfect size to be easily read while not being obtrusive. So, in those cases, I find it easier to simply replace it. Put them all in the same tank and they read very close to each other. One extra battery came with each unit.

  • Lifegard Aquatics Full-View 5 Gallon Aquarium R800204 with LED Light Heater Thermometer, Net & Built-in Back Filter with Pump
  • Clear angled front glass for greater viewing area
  • Pump included in the full built-in back filter
  • Bonus items included - Full spectrum LED light, heater, thermometer, Net and algae magnet
  • Water level control
  • Insulation base pad
  • Manufacture: Lifegard Aquatics
  • Product Dimensions: 14 x 14 x 10 inches; 18 Pounds
  • Editor's Impressions Of The Lifegard Aquatics R800204
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Lifegard Aquatics R800204 Final Thoughts

"It's accurate I tell you."

Since adding one of these, it has been much easier to monitor the temp of my tanks. I have kept aquariums for about 45 years. Ordered three of these and they do the job. When I set up my newest tank I will be getting another one of these. For something so cheap, they are working remarkably well. SIX Digital Thermometers with SIX batteries INCLUDED working so well. This little wonder allows me to see at a glance that everything is as it should be.

Overall Score
3.4


(5 Points)

2. Imagitarium Aquarium Strip Thermometer, Small

User Ratings: 39

Imagitarium THM-008 First Impressions

"Super easy."

The extra batteries where very much appreciated and came in handy. It is easy to use and install it'disappears' in your tank it is so unobtrusive. Set all six probes up in a terrarium with a constant temp of 88. The non-working ones still provide 2 batteries each AND. I use a small flashlight if I don't want to brighten the area. Was going to get a floater until I saw this magnetic one! I tested this in a cup crammed full of ice and some water.

  • Imagitarium Aquarium Strip Thermometer, Small
  • Aquarium Strip Thermometer from Imagitarium
  • Adheres to the outside of glass or acrylic fish tanks for an easy and secure instillation
  • Measures in Celsius and Fahrenheit
  • Uses easy-to-read measurements
  • Ideal for freshwater or saltwater fish tanks
  • Manufacture: Imagitarium
  • Item Weight: 0.32 ounces
  • Editor's Impressions Of The Imagitarium THM-008
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Imagitarium THM-008 Final Thoughts

"I opened the first three."

The display can be set to Fahrenheit or Celsius. I have to admit I had two reasons for buying six. And I just really started to doubt it. The only reason I didn't give this 5 stars is because my betta fish didn't like it. If the digital display starts to get dim, it's time for a new battery. Since it is a mercury thermometer, it is very accurate. Checked with temp gun and the terrarium was on target at 88.

Overall Score
4.0


(3 Points)

3. 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)

4. OASE Indoor Aquatics Digital Thermometer

OASE Indoor Aquatics 48492 First Impressions

"I like this."

This temperature read a perfect 32 degrees. I used these on a number of my aquariums that have discus fish in them. I had my heater set at 73-degrees and the thermometers showed 74. The lid is textured aluminum, and the suction cups don't stick to that. This is how you calibrate a thermometer. One extra battery came with each unit. I don't think i'll ever be able to trust a digital thermometer again.

  • OASE Indoor Aquatics Digital Thermometer
  • The digital thermometer can be bond to the exterior of the Aquarium for simple, No mess readings
  • Simple to read digital display
  • Displays temperature in Celsius
  • Includes 1 LR1130 battery
  • Manufacture: OASE
  • Product Dimensions: 2.4 x 0.7 x 1.9 inches; 1.23 Ounces
  • Editor's Impressions Of The OASE Indoor Aquatics 48492
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

OASE Indoor Aquatics 48492 Final Thoughts

"These are great!"

I came here to give this product a positive review. I have it in both my aquariums now. I have always had trouble reading the color temp. Since it is a mercury thermometer, it is very accurate. It will make you wonder why nobody thought of it before. I just wrote it off as a minor loss. Love it, it's easy to read and keeps an accurate temp.

Overall Score
5.0


(1 Points)

5. Maxmoral 4pcs Thermometer Strips Stick-on Digital Thermometer Strip Temperature Stickers Degree Cels...

User Ratings: 61

Maxmoral First Impressions

"I like these."

The digital display is nice and small as well. Place it on your aquarium and you are good to go. I got the second one as a bonus that I'm now using in my old tank. You can glue, tape or simply cover the cords in the tank to keep them discreet. In the right situation this magnet thermometer is the best available. I guess these units do not like saltwater. I had my heater set at 73-degrees and the thermometers showed 74.

  • Maxmoral 4pcs Thermometer Strips Stick-on Digital Thermometer Strip Temperature Stickers Degree Celsius Fahrenheit Display for Aquarium
  • Type:4pcs Thermometer Strips.Size:13x1.8cm/5.12x0.71 in.
  • Thermometer strips provide 2 different temperature readings,one is Celsius, ranging from 18 to 34 degrees Celsius, and the other is the corresponding Fahrenheit temperature reading, ranging from 64 to 93 degrees Fahrenheit.
  • Three color markers can indicate the temperature condition, can change with the water temperature, each color represents the different water temperature condition, can see them clearly and quickly from the surface.
  • Adhesive on the back, just peel off the tape and stick to any surface. A strong adhesive will hold the thermometer in place.
  • Can be used in aquarium, fish tank,wine, beer, Kombucha,Brewing ,Fermentation and so on. The thermometer will not be displayed beyond the measured temperature.
  • Manufacture: Maxmoral
  • Editor's Impressions Of The Maxmoral
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Maxmoral Final Thoughts

"Not just for aquariums!"

Bought the two pack of thermometers. I've checked it against two other thermometers that are accurate. I find that the temps are accurate, and this product gives added peace of mind. He acted aggressively towards it and so I ultimate ended up removing it due to that. Then she followed up again on that, asking if they had arrived and were okay. One of my aquariums is glass, and the other two are plastic. You dont HAVE to stick the display onto your tank.

Overall Score
4.6


(3 Points)

6. LCR Hallcrest A-1007 Liquid Crystal Horizontal Aquarium Thermometer

LCR Hallcrest A-1007 First Impressions

"Would recommend!"

I think the people who said the suction cup broke. It is large enough to see without being obtrusive. I bought these for my dwc reservoirs. I have this thermometer on all my tanks. This little wonder allows me to see at a glance that everything is as it should be. As you can see from my photos, in both°F and°C, all six are within. SIX Digital Thermometers with SIX batteries INCLUDED working so well.

  • LCR Hallcrest A-1007 Liquid Crystal Horizontal Aquarium Thermometer
  • Easy To Read
  • Mounts Vertically On The Outside Of Your Aquarium
  • Easily Movable
  • Manufacture: Unique Cell Distributors LLC
  • Product Dimensions: 4 x 0.5 x 7 inches; 0.35 Ounces
  • Editor's Impressions Of The LCR Hallcrest A-1007
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

LCR Hallcrest A-1007 Final Thoughts

"And I am glad I did."

Have checked them against the glass thermometers and the accuracy is right on. Sure enough the digital thermometer was way off by 6 degrees! The temperature fluctuated a lot with it. I came here to give this product a positive review. I can't say which is the most accurate and don't really care. He acted aggressively towards it and so I ultimate ended up removing it due to that. The display can be set to Fahrenheit or Celsius.

Overall Score
5.0


(12 Points)

7. 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
  • Quality
  • Value For Money
  • Affordability

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


(3558 Points)

8. Pet Thermometer, Professiona Pets Electronic Thermometer Dog Digital Thermometer Veterinary Supplies...

User Ratings: 47 22

TiTaKa 99BL49EA45Z10615TA First Impressions

"1 degree of each other."

I have always had trouble reading the color temp. Have checked them against the glass thermometers and the accuracy is right on. You can not swivle the thermometer to face a certain way. It is about 6 inches in length and roughly an inch wide. And I just really started to doubt it. I read some of the 1 star reviews and most of them are not about the product. I ordered this guy and it was 6 degrees hotter than the digital!

  • Pet Thermometer, Professiona Pets Electronic Thermometer Dog Digital Thermometer Veterinary Supplies for Pet Dogs Animals
  • Soft probe: waterproof non-toxic rubber probe, soft, soft to the touch, comfortable, safe, and will not harm the rectum of the animal.
  • Plastic material: ABS material, waterproof and environmental protection, mercury-free, safer.
  • Easy to view: LED display beeps, making the readings clearer and more accurate.
  • Simple operation: Built-in clamps make temperature measurement more convenient. You can start measurement with one click.
  • Portable design: small size, light weight, easy to carry around without taking up space.
  • Item Weight: 0.529 ounces
  • Product Dimensions: 5.71 x 0.79 x 0.47 inches
  • Editor's Impressions Of The TiTaKa 99BL49EA45Z10615TA
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

TiTaKa 99BL49EA45Z10615TA Final Thoughts

"89 plus free shipping."

I tested this in a cup crammed full of ice and some water. I ordered this guy and it was 6 degrees hotter than the digital! I find that the temps are accurate, and this product gives added peace of mind. 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 recommend gluing the suction cups in place where needed for long-term installation. All are pretty accurate within one degree as claimed.

Overall Score
3.6


(18 Points)

9. Digital Aquatic Turtle Thermometer

User Ratings: 21 10

Zoo Med TH-26 First Impressions

"Subtracted from the tank."

One of my aquariums is glass, and the other two are plastic. Checked with temp gun and the terrarium was on target at 88. This thermometer is spot on accurate. So much so that I purchased a second set of 6. 6F all six took about three minutes to read between 88. 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.

  • Digital Aquatic Turtle Thermometer
  • DIGITAL AQUATIC TURTLE THERMOMETER
  • 2 PACK
  • AQUARIUM
  • THERMOMETER & HYDROMETER
  • ZOO MED LABORATORIES
  • ZOO MED LABORATORIES
  • DIGITAL AQUATIC TURTLE THERMOMETER
  • AQUARIUM
  • Manufacture: ZOO MED LABORATORIES
  • Item Weight: 2.39 ounces
  • Batteries: 2 Nonstandard Battery batteries required.
  • Editor's Impressions Of The Zoo Med TH-26
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zoo Med TH-26 Final Thoughts

"Working wonderfully!"

I'm pretty sure those reviewers have acrylic tanks. It will make you wonder why nobody thought of it before. Very impressed, I have now had them in used for a month so far. I can't say which is the most accurate and don't really care. I came here to give this product a positive review. This is how you calibrate a thermometer. My 50+ eyes cannot read a regular tank thermometer without squinting.

Overall Score
3.2


(6 Points)

10. 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)

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