Editor's Choice - Our Favorite HEEPDD Aquarium Thermometers

1. 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)

2. KollerCraft TOM Temp Alert Digital Thermometer for Aquariums

User Ratings: 39 13

KollerCraft TM1208 First Impressions

"A solid five stars."

The only reason I didn't give this 5 stars is because my betta fish didn't like it. I'm pretty sure those reviewers have acrylic tanks. And for the price you cant beat it. I did have a problem with one in my first pack of 6. Was going to get a floater until I saw this magnetic one! Checked with temp gun and the terrarium was on target at 88. The non-working ones still provide 2 batteries each AND.

  • KollerCraft TOM Temp Alert Digital Thermometer for Aquariums
  • Digital thermometer for aquariums reliably monitors high and low temperatures
  • Audible and LED notifications when temperatures fall below or rise above presets
  • Presets for a low of 75 degrees F and a high of 82 degrees F
  • For use in both freshwater and saltwater aquariums
  • Plastic probe with suction cup, 3-foot cord
  • Warning when the temperature goes outside the preset range
  • Display is easy to read
  • Temperature reading is very accurate
  • Manufacture: Koller Enterprises
  • Product Dimensions: 7.5 x 5 x 1.5 inches; 1.6 Ounces
  • Editor's Impressions Of The KollerCraft TM1208
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

KollerCraft TM1208 Final Thoughts

"Never had any problems."

Very impressed, I have now had them in used for a month so far. This is my first 5 star review out of many many reviews on Amazon. Works well in my betta tank, but provide a couple hours for it to read temp changes. I have this thermometer on all my tanks. 82 PER THERMOMETER with battery included. I tested this in a cup crammed full of ice and some water. I had my heater set at 73-degrees and the thermometers showed 74.

Overall Score
3.7


(52 Points)

3. DWSFADA Waterproof Digital Thermometer for Pets,Animal Electronic Thermometer Care Tool Fast Reading...

User Ratings: 68 15

DWSFADA L052579L5U First Impressions

"Would buy again."

Was going to get a floater until I saw this magnetic one! I have it in both my aquariums now. I can't say which is the most accurate and don't really care. So far I've been very thrilled with these. This company is taking the long term view of how to do business right. I ordered this guy and it was 6 degrees hotter than the digital! Since adding one of these, it has been much easier to monitor the temp of my tanks.

  • DWSFADA Waterproof Digital Thermometer for Pets,Animal Electronic Thermometer Care Tool Fast Reading Pet Thermometer 32-43 Degree Veterinary Temperature Indicator in 3-5 Seconds
  • Material: ABS,Size:Approx. 13.5in—2cm/5.3in—0.79inch. Pet temperature readings in celsius.
  • The backlight is very useful and beautiful making everything crystal clear
  • Very suitable for pigs, cattle, cattle, goats, etc
  • Insert the thermometer into the rectum of the animal 5-8 cm and press the on/off button.Start measuring when you hear a click. The measurement ends when a continuous beep is heard
  • If you have any problems with our digital thermometer, please feel free to contact us and we will reply you within 24 hours
  • Manufacture: DWSFADA
  • Product Dimensions: 5.51 x 0.98 x 0.39 inches; 0.95 Ounces
  • Editor's Impressions Of The DWSFADA L052579L5U
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

DWSFADA L052579L5U Final Thoughts

"2-degrees."

Very impressed, I have now had them in used for a month so far. I have to admit I had two reasons for buying six. They reviewed the packaging or shipping by saying it arrived broken. Ambient room temperature measures 72. I needed a solution that was not breakable and these do the trick! And I just really started to doubt it. Then she followed up again on that, asking if they had arrived and were okay.

Overall Score
4.1


(8 Points)

4. NITRIP Digital Aquarium Thermometer, DC16 LCD Waterproof Temperature Thermometer for Fish Tank

Nitrip First Impressions

"2-degrees."

A battery can last you up to six months, I'd say, but expect more like three. This doesn't bother me as it ws so cheap. Since it is a mercury thermometer, it is very accurate. The display can be set to Fahrenheit or Celsius. So this is the extreme end of the high temperature range. For something so cheap, they are working remarkably well. So much easier than the ones that hang on the inside.

  • NITRIP Digital Aquarium Thermometer, DC16 LCD Waterproof Temperature Thermometer for Fish Tank
  • With a Large LCD screen: easy to read the temperature at a glance.
  • Very precise: this thermometer is accurate enough to create readings within 0.1 degree.
  • No sensor cable needed, simply attaches to the interior of your aquarium with the suction cup.
  • High and low temperature automatic alarm: default high temperature 28℃, low temperature of 18℃.
  • Wireless with integrated probe and waterproof design, perfect for fish tank or other place.
  • Manufacture: NITRIP
  • Product Dimensions: 1.97 x 1.97 x 1.97 inches; 1.2 Ounces
  • Editor's Impressions Of The Nitrip
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Nitrip Final Thoughts

"I like these."

I bent it a little bit and when I put it back it was perfectly fine. I don't think i'll ever be able to trust a digital thermometer again. One of my aquariums is glass, and the other two are plastic. So much so that I purchased a second set of 6. I have it in both my aquariums now. I used to have a large hang in the side tank that you couldn't miss. I find that the temps are accurate, and this product gives added peace of mind.

Overall Score
3.0


(1 Points)

5. uxcell Plastic Aquarium Self Adhesive Water Temperature Dual Thermometer Sticker 2 in 1

uxcell a17022200ux1475 First Impressions

"Very accurate."

I think the people who said the suction cup broke. The display can be set to Fahrenheit or Celsius. We are using them to measure various temperatures inside and outside of a motorhome. It is large enough to see without being obtrusive. I use a small flashlight if I don't want to brighten the area. Far more accurate than the usual small glass ones or external LCD strips. So the extra units will always come in handy.

  • uxcell Plastic Aquarium Self Adhesive Water Temperature Dual Thermometer Sticker 2 in 1
  • Weight: 2g; Color: White,Black,Brown
  • Package Content: 2 in 1 x Aquarium Temperature Stickers; Product Name: Aquarium Temperature Sticker
  • Material: Plastic; Tenperature Range: (Degrees Celsius):-18 to 34
  • Long Stickers Size: 13 x 2.8 x 0.1cm/5.1" x 1.1" x 0.03"(L*W*H)
  • Round Stickers Size: 5 x 0.1cm/2" x 0.03"(W*H)
  • Manufacture: uxcell
  • Editor's Impressions Of The uxcell a17022200ux1475
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell a17022200ux1475 Final Thoughts

"And I am glad I did."

I use a small flashlight if I don't want to brighten the area. Since it is a mercury thermometer, it is very accurate. So much easier than the ones that hang on the inside. My only complaint is that they tend to be a one time use. I have to admit I had two reasons for buying six. The non-working ones still provide 2 batteries each AND. A battery can last you up to six months, I'd say, but expect more like three.

Overall Score
5.0


(1 Points)

6. uxcell Aquarium Fishbowl Dual Scale Thermometer Sticker Strip 2 in 1

User Ratings: 22 22

uxcell US-SA-AJD-33116 First Impressions

"Easy to setup in tank."

So this is the extreme end of the high temperature range. It works equally well on all of them. The suction will never be the same. So far, they're all doing their job in my four tanks and I am quite content. Only thing I don't love is how long the cord is. He acted aggressively towards it and so I ultimate ended up removing it due to that. I was using one of those ubiquitous cheap digital thermometers on Amazon.

  • uxcell Aquarium Fishbowl Dual Scale Thermometer Sticker Strip 2 in 1
  • Product Name : Aquarium Thermometer Sticker;Color : Black, White
  • Material : Plastic
  • Size : Rectangle: 13 x 1.9cm/ 5.1" x 0.75"(L*W)Round: 5cm/2"(Diamater)
  • Weight : 3g
  • Package Contents : 2 × Aquarium Thermometer Sticker
  • Manufacture: uxcell
  • Editor's Impressions Of The uxcell US-SA-AJD-33116
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell US-SA-AJD-33116 Final Thoughts

"Close enough I reckon!"

89 I could buy Six Thermometers with Six included batteries. One extra battery came with each unit. I needed a solution that was not breakable and these do the trick! Checked with temp gun and the terrarium was on target at 88. I have always had trouble reading the color temp. I tested this in a cup crammed full of ice and some water. Then she followed up again on that, asking if they had arrived and were okay.

Overall Score
3.6


(3 Points)

7. Juwel Digital Aquarium Thermometer

User Ratings: 59 12

Juwel JU85702NET First Impressions

"Would buy again."

I find that the temps are accurate, and this product gives added peace of mind. Still a recommendation for me due to price and accuracy. Works well in my betta tank, but provide a couple hours for it to read temp changes. Simple fix, you adjust the thermometer within the suction cup and VIOLA! I needed a solution that was not breakable and these do the trick! I tested this in a cup crammed full of ice and some water. Ambient room temperature measures 72.

  • Juwel Digital Aquarium Thermometer
  • Wipe clean
  • The Juwel Digital Thermometer 2.0 has a large, easy-to-read digital display so you can easily keep an eye on the temperature in your aquarium.
  • Batteries included.
  • Manufacture: Juwel
  • Product Dimensions: 0.39 x 0.39 x 0.39 inches; 1.34 Ounces
  • Batteries: 1 LR44 batteries required. (included)
  • Editor's Impressions Of The Juwel JU85702NET
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Juwel JU85702NET Final Thoughts

"This is perfect."

I got the second one as a bonus that I'm now using in my old tank. 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. So much so that I purchased a second set of 6. Far more accurate than the usual small glass ones or external LCD strips. All are pretty accurate within one degree as claimed. Personally I do not mind the way it looks in my aquarium.

Overall Score
4.0


(1017 Points)

8. 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)

9. Marina Floating Thermometer with Suction Cup

User Ratings: 70 5

Marina 11201A1 First Impressions

"So I guess I needed them!"

This thermometer is spot on accurate. So much so that I purchased a second set of 6. Still a recommendation for me due to price and accuracy. Personally I do not mind the way it looks in my aquarium. The digital display is nice and small as well. A bit large for anything smaller than 5 gallons, but that's to be expected. This is my first 5 star review out of many many reviews on Amazon.

  • Marina Floating Thermometer with Suction Cup
  • Easy to read floating aquarium thermometer with suction cups
  • Includes a safety zone indicator appropriate for most tropical fish
  • Equipped with suction cups to attach to the side of your fish tank
  • Ensures your aquarium is at the proper temperature
  • Thermometer is 4.25 inches tall
  • Manufacture: Marina
  • Product Dimensions: 7 x 4 x 1 inches; 0.35 Ounces
  • Editor's Impressions Of The Marina 11201A1
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Marina 11201A1 Final Thoughts

"I like this."

A bit large for anything smaller than 5 gallons, but that's to be expected. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. The digital display itself is easy to read at a glance. They are within a degree or two of other thermometers I've checked to compare them. I am extremely pleased with this product. He acted aggressively towards it and so I ultimate ended up removing it due to that. This temperature read a perfect 32 degrees.

Overall Score
4.4


(8702 Points)

10. Fluval Edge Digital Aquarium Thermometer

User Ratings: 68 6

Fluval 11206 First Impressions

"Suction cups are okay."

I've checked it against two other thermometers that are accurate. 6 inch long Bala Sharks that are known to be very unruly and boisterous. Works well in my betta tank, but provide a couple hours for it to read temp changes. When and if we run out of this batch, I'll instantly order another batch. You dont HAVE to stick the display onto your tank. Instead she sent a new package of two, both of which work. This company is taking the long term view of how to do business right.

  • Fluval Edge Digital Aquarium Thermometer
  • accurate and easy-to-read thermometer
  • mounts easily on outside of glass
  • ideal for fresh and saltwater tanks
  • temperature range of 64 to 86 degrees fahrenheit
  • Age range description: All ranges
  • Manufacture: Fluval
  • Product Dimensions: 0.2 x 2.9 x 7 inches; 0.16 Ounces
  • Editor's Impressions Of The Fluval 11206
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fluval 11206 Final Thoughts

"2-degrees."

I just wrote it off as a minor loss. My poor fish was in 86 degrees water for a month. Then is started to give a low reading, and it is not reading the correct temperature. Now that the chickens are grown, I have one out in the coop as well. 6F all six took about three minutes to read between 88. I've checked it against two other thermometers that are accurate. All were Close enough for a fish tank and other uses.

Overall Score
4.3


(948 Points)

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