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. 20 Pieces Digital Temperature Sticker Adhesive Thermometer Strip Aquarium Thermometer Sticker Temper...

User Ratings: 72 9

BBTO First Impressions

"9, and 78."

In the right situation this magnet thermometer is the best available. Bought the two pack of thermometers. Excellent working for our bearded dragon tank. Bought the two pack of thermometers. One of my aquariums is glass, and the other two are plastic. Water tested with Autidefy brand for two hours. The digital display itself is easy to read at a glance.

  • 20 Pieces Digital Temperature Sticker Adhesive Thermometer Strip Aquarium Thermometer Sticker Temperature Thermometer Strips in Degree Fahrenheit and Celsius Display for Fish Tank and Aquarium
  • Package quantity: there are 20 pieces digital temperature sticker in the package, enough quantity to meet your long time using and use for different occasions; The adhesive temperature strip measure approx. 13 x 2 cm/ 5.1 x 0.8 in in length and width, proper size to fit most surfaces
  • Easy to stick: our aquarium thermometer sticker features adhesive design, just peel off the tape and attach to surface of aquarium, fish tank and others; After about 2 to 5 minutes, the colored change will indicate the exact temperature; Please keep it away from any heat source
  • Easy to read: the fish tank thermometer strip has 3 colored marking that can indicate the temperature situation, which can change with the water temperature, each color represents different water temperature condition, they can be seen clearly and quickly from the surface
  • Monitor temperature: our digital temperature sticker is suitable for monitor temperature of fish tank and aquarium, can keep fishes, shrimps, reptiles or turtles comfortable by making sure the water isn't too hot or too cold; Also can be applied to measure the temperature of your DIY drinks and wine barrel, terrarium and any sort of pet tank
  • Measuring range: the stick-on digital temperature strip measures both Fahrenheit and Celsius degree, Celsius degree in the range of 18 to 34 °C, and Fahrenheit degree in the range of 64 to 93 °F
  • Manufacture: BBTO
  • Editor's Impressions Of The BBTO
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

BBTO Final Thoughts

"Love this product!"

A bit large for anything smaller than 5 gallons, but that's to be expected. The plastic from the suction cup quickly turned from a clear to a milky white. 6F all six took about three minutes to read between 88. The only reason I didn't give this 5 stars is because my betta fish didn't like it. The units each had a battery in place and situated for immediate use. The suction will never be the same. I did have a problem with one in my first pack of 6.

Overall Score
4.4


(43 Points)

3. AQUANEAT 3 Pack Aquarium Thermometer, Reptile Thermometer, Fish Tank Thermometer, Digital Thermomete...

User Ratings: 67 9

AQUANEAT DT-A045x3 First Impressions

"Overall a great buy."

These things are useful for a lot besides pet husbandry, too. I used to have a large hang in the side tank that you couldn't miss. When I set up my newest tank I will be getting another one of these. Far more accurate than the usual small glass ones or external LCD strips. This doesn't bother me as it ws so cheap. Far more accurate than the usual small glass ones or external LCD strips. Good cheap accurate aquarium thermometer.

  • AQUANEAT 3 Pack Aquarium Thermometer, Reptile Thermometer, Fish Tank Thermometer, Digital Thermometer, Terrarium Water Temperature Test, with Large LCD Display
  • Wide application: Ideal for use in water or high moisture environment like aquarium terrarium, or vivarium; suitable for different water types such as fresh water, tap water, salty water, marine water and etc
  • Easy to read: Comes with a large LCD display that is easy to read clearly
  • Easy to setup: Submerge probe with suction cup can easily be set in water (Submerge probe only, do not submerge thermometer in water) ; Press ''PWR'' for 3 seconds to power off
  • Free extra LR44: 2 PCS LR44 button cell for each thermometer (one for operation, one for spare)
  • Wide temperature range: Measure -58°F to +158°F (-50°C to +70°C) with accuracy +/- 1°C
  • Manufacture: AQUANEAT
  • Editor's Impressions Of The AQUANEAT DT-A045x3
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AQUANEAT DT-A045x3 Final Thoughts

"Works perfect."

I don't think they are backlit but for the price they are still nice. I used these to raise chicks, and in my parrot cages. Now if it falls into a sink full of water, it's not a problem. I have bought many many temperature gauges for my various fish tanks over the years. I bent it a little bit and when I put it back it was perfectly fine. I find that the temps are accurate, and this product gives added peace of mind. I am extremely pleased with this product.

Overall Score
4.2


(193 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. American Thermal - Aquarium Vertical Thermometer

User Ratings: 63 6

Amercan Thermal BC002004 First Impressions

"Perfect customer service."

Very accurate, have checked it with other thermometers as well. One extra battery came with each unit. This doesn't bother me as it ws so cheap. I had my heater set at 73-degrees and the thermometers showed 74. Set all six probes up in a terrarium with a constant temp of 88. My only complaint is that they tend to be a one time use. So much so that I purchased a second set of 6.

  • American Thermal - Aquarium Vertical Thermometer
  • Accurate.
  • Easy-to-read.
  • Mounts on the outside of your aquarium.
  • New movable thermometer.
  • Vertical.
  • Manufacture: Amercan Thermal
  • Product Dimensions: 6.75 x 5 x 0.13 inches; 0.35 Ounces
  • Editor's Impressions Of The Amercan Thermal BC002004
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Amercan Thermal BC002004 Final Thoughts

"6 tenths of a degree."

I ordered this guy and it was 6 degrees hotter than the digital! All are pretty accurate within one degree as claimed. Bought the two pack of thermometers. Far more accurate than the usual small glass ones or external LCD strips. This company is taking the long term view of how to do business right. My poor fish was in 86 degrees water for a month. They are within a degree or two of other thermometers I've checked to compare them.

Overall Score
4.3


(83 Points)

6. 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)

7. SHARPTEMP-V. Fast, Accurate Temperatures in 8 to10 Seconds. Beeps When Ready. 5-Inch Stainless-Steel...

User Ratings: 72 4

COTRAN CORPORAT First Impressions

"Overall a great buy."

82 PER THERMOMETER with battery included. At least in the first 3 months of use. If the digital display starts to get dim, it's time for a new battery. Water tested with Autidefy brand for two hours. The plastic from the suction cup quickly turned from a clear to a milky white. Excellent working for our bearded dragon tank. When and if we run out of this batch, I'll instantly order another batch.

  • SHARPTEMP-V. Fast, Accurate Temperatures in 8 to10 Seconds. Beeps When Ready. 5-Inch Stainless-Steel Probe With Rounded Tip. Safe for All Farm Animals & Pets.
  • DIGITAL ANIMAL THERMOMETER: The Sharptemp-V Veterinary Livestock and Pet Thermometer is a versatile digital thermometer built rugged enough for heavy- duty use on-farm, in the stable, at the veterinary clinic and at home. The 5-inch probe length meet the needs of all types of large livestock, horses, and companion animals.
  • FAST & ACCURATE: Fast, accurate temperature readings in 8 to 10 seconds depending on conditions. Measures from 90 °F to 107°F and is accurate to +/- 0.1 F°. The large easy-read 3/8”-high LCD blinks while stabilizing then emits an audible beep when an accurate temperature is reached. Auto shut-off after 9 minutes. Thermometer reads Fahrenheit ( °F) only.
  • VERSATILE & SAFE: Designed of oral or rectal use in animals. Stainless steel probe is 3/16” (5mm) diameter with blunt end for safe insertion. Normal temperatures for common pets and farm animals are printed on the back for convenient reference. The tough durable plastic body and surgical-grade stainless-steel probe surfaces are designed for easy cleaning and disinfection.
  • BUILT TOUGH: Tough, durable, plastic thermometer BODY (without probe) measures 4” x 1-1/8” x 5/8” and fits ergonomically in hand. The woven nylon lanyard loops comfortably over wrist. The hard-plastic friction-fit probe cover prevents damage and slides on and off with ease. Includes one user- replaceable LR44 hearing aid battery and a sturdy, protective polyethylene storage case.
  • IN THE BOX: One Sharptemp-V digital veterinary animal thermometer with 5-inch probe, probe cover, battery, instructions and sturdy plastic storage case. CE- approved. One-year warranty. Click “ADD to CART” and start measuring animal temperatures fast and accurately with the Sharptemp-V Veterinary Animal Thermometer. Your satisfaction is 100% guaranteed!
  • Manufacture: COTRAN CORPORAT
  • Batteries: 1 LR44 batteries required.
  • Editor's Impressions Of The COTRAN CORPORAT
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

COTRAN CORPORAT Final Thoughts

"2 degrees of each other."

One extra battery came with each unit. The digital display is nice and small as well. All are pretty accurate within one degree as claimed. I bent it a little bit and when I put it back it was perfectly fine. Checked with temp gun and the terrarium was on target at 88. The temperature fluctuated a lot with it. This is how you calibrate a thermometer.

Overall Score
4.4


(117 Points)

8. 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)

9. Aurynns Pet Thermometer Dog Thermometer, Fast Digital Veterinary Thermometer, Pet Thermometer for Do...

User Ratings: 60 10

AURYNNS EAT-1 First Impressions

"It sticks very firmly."

The digital display is nice and small as well. It started working as soon as I put it in and has been working ever since. My 50+ eyes cannot read a regular tank thermometer without squinting. It is my opinion that everyone should have these that are in the Aquarium Hobby. The non-working ones still provide 2 batteries each AND. Sure enough the digital thermometer was way off by 6 degrees! I tested this in a cup crammed full of ice and some water.

  • Aurynns Pet Thermometer Dog Thermometer, Fast Digital Veterinary Thermometer, Pet Thermometer for Dogs, Cats, Horse,Cattle, Pigs,Birds, Sheep.C/F Switchable
  • Fast Pet Thermometer for all pets. Accurate to within +/- 0.2°F.
  • Measure pets temperature in anus, NOT IN EAR or MOUTH
  • LCD display & Memory function
  • ℃ and °F switchable, easy to read.
  • An alarm will sound if temperature is exceeded.
  • Manufacture: aurynns
  • Product Dimensions: 7.87 x 1.38 x 4.33 inches; 5.89 Ounces
  • Batteries: 2 AAA batteries required. (included)
  • Editor's Impressions Of The AURYNNS EAT-1
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AURYNNS EAT-1 Final Thoughts

"Subtracted from the tank."

49 thermometer that is 100% accurate. However, Lucy at Zacro read this review and emailed me. When and if we run out of this batch, I'll instantly order another batch. I have to admit I had two reasons for buying six. Ambient room temperature measures 72. They reviewed the packaging or shipping by saying it arrived broken. SIX Digital Thermometers with SIX batteries INCLUDED working so well.

Overall Score
4.2


(138 Points)

10. 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)

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