Editor's Choice - Our Favorite hossen Aquarium Thermometers

1. Digital Mini Automatic LCD Aquarium Fish Tank Food Feeder Timer up to 4 Feeding Times + High Accurac...

User Ratings: 27 24

hossen B008R6NWOU First Impressions

"LOVE these thermometers."

I think the people who said the suction cup broke. I bent it a little bit and when I put it back it was perfectly fine. I bought these for my dwc reservoirs. So far I've been very thrilled with these. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. Works well in my betta tank, but provide a couple hours for it to read temp changes. I did have a problem with one in my first pack of 6.

  • Digital Mini Automatic LCD Aquarium Fish Tank Food Feeder Timer up to 4 Feeding Times + High Accuracy Submersible Aquarium Index Thermometer
  • Made in China
  • Package height :12.1 cm
  • Package length :8.0 cm
  • Package width :11.1 cm
  • Manufacture: hossen
  • Product Dimensions: 4.8 x 3.15 x 4.41 inches; 6.4 Ounces
  • Batteries: 2 AAA batteries required.
  • Editor's Impressions Of The hossen B008R6NWOU
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

hossen B008R6NWOU Final Thoughts

"This is perfect."

These things are useful for a lot besides pet husbandry, too. You can use the thermometer with or without the plastic suction cup. And I just really started to doubt it. Instead she sent a new package of two, both of which work. 2 deg, if it was 32, it would be a SOLID block of ice. The extra batteries where very much appreciated and came in handy. Very impressed, I have now had them in used for a month so far.

Overall Score
3.3


(165 Points)

2. 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)

3. Superfish Outside Garden Pond Floating Water Thermometer 0-50C

User Ratings: 75 4

Superfish 669005 First Impressions

"Perhaps it's my fault."

You can use the thermometer with or without the plastic suction cup. For the price I'll probably end up putting these in all of my aquariums. They are within a degree or two of other thermometers I've checked to compare them. I needed a solution that was not breakable and these do the trick! Only thing I don't love is how long the cord is. I'm pretty sure those reviewers have acrylic tanks. He acted aggressively towards it and so I ultimate ended up removing it due to that.

  • Superfish Outside Garden Pond Floating Water Thermometer 0-50C
  • Plastic Floating Black Pond Thermometer
  • Helps you keep an eye on your pond temperture
  • Floating with cord to attach to the side of the Pond
  • Temperature Scale 0-50 degrees Celsius (30-120F)
  • Perfect for most ponds, swimming pools and tanks
  • Manufacture: Superfish
  • Product Dimensions: 4.33 x 4.33 x 4.33 inches; 2.82 Ounces
  • Editor's Impressions Of The Superfish 669005
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Superfish 669005 Final Thoughts

"Great little thermometer."

The temperature fluctuated a lot with it. I ordered a new one and it works GREAT! Then is started to give a low reading, and it is not reading the correct temperature. 6 inch long Bala Sharks that are known to be very unruly and boisterous. These things are useful for a lot besides pet husbandry, too. 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.

Overall Score
4.6


(25 Points)

4. Sea Hydrometer Salinity Meter Specific Gravity Test for Aquarium Fish Tank Water Marine Sea Saltwate...

User Ratings: 50 14

pranovo 4346782459 First Impressions

"Would recommend!"

However, Lucy at Zacro read this review and emailed me. I am extremely pleased with this product. This is my first 5 star review out of many many reviews on Amazon. The non-working ones still provide 2 batteries each AND. Very impressed, I have now had them in used for a month so far. Good cheap accurate aquarium thermometer. I guess these units do not like saltwater.

  • Sea Hydrometer Salinity Meter Specific Gravity Test for Aquarium Fish Tank Water Marine Sea Saltwater
  • ROTABLE DEVICE: This specific gravity meter is designed to give temperature-corrected readings in warm water aquariums. Includes a self-leveling, hanging device and allows your hands to stay dry, avoiding contamination of aquarium.
  • ACCURATELY MEASURE: Quickly, easily, and accurately measure your marine aquarium's salt level and specific gravity with Instant Ocean Hydrometer
  • CLEARLY INDICATED: Full range scale features easy to read markings with safe zone clearly indicated. Small and waterproof. No sensor wire needed.
  • UNIQUE DESIGN: This product is designed with an automatic level function, can automatically identify the level to avoid errors.
  • CLEANING: Do not disassemble. Periodic cleaning is recommended to remove deposits that accumulate on pointer causing in correct reading. Soak hydrometer in mild acid(vinegar) for 30 minutes to remove any deposits that may build up on pointer. Rinse with tap water and lat unit air dry.
  • Manufacture: pranovo
  • Editor's Impressions Of The pranovo 4346782459
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

pranovo 4346782459 Final Thoughts

"The hotter, the faster."

It is always where yo last put it and it is very easy to see and read. So this is the extreme end of the high temperature range. The digital display itself is easy to read at a glance. Excellent working for our bearded dragon tank. They are within a degree or two of other thermometers I've checked to compare them. Have checked them against the glass thermometers and the accuracy is right on. Excellent working for our bearded dragon tank.

Overall Score
3.8


(41 Points)

5. DollaTek 2Pcs LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature - Yellow

User Ratings: 47

DollaTek First Impressions

"Just received it today."

Then she followed up again on that, asking if they had arrived and were okay. Ambient room temperature measures 72. The suction will never be the same. In this scenario it would probably get knocked loose a lot. I did have a problem with one in my first pack of 6. Ordered three of these and they do the job. This doesn't bother me as it ws so cheap.

  • DollaTek 2Pcs LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature - Yellow
  • 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.
  • Item Weight: 2.11 ounces
  • Editor's Impressions Of The DollaTek
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

DollaTek Final Thoughts

"Great deal."

50 thermometers, reads much easier and no suction cup residue, also looks better. I have bought many many temperature gauges for my various fish tanks over the years. 2 deg, if it was 32, it would be a SOLID block of ice. So, in those cases, I find it easier to simply replace it. He acted aggressively towards it and so I ultimate ended up removing it due to that. This thermometer is spot on accurate. Since adding one of these, it has been much easier to monitor the temp of my tanks.

Overall Score
3.8


(10 Points)

6. Penn Plax PP37201 Digital Aquarium Thermometer

User Ratings: 60

Penn-Plax First Impressions

"So far loving it."

So the extra units will always come in handy. The digital display itself is easy to read at a glance. In the right situation this magnet thermometer is the best available. Works well in my betta tank, but provide a couple hours for it to read temp changes. He acted aggressively towards it and so I ultimate ended up removing it due to that. The lid is textured aluminum, and the suction cups don't stick to that. I bought these for my dwc reservoirs.

  • Penn Plax PP37201 Digital Aquarium Thermometer
  • Clear numbers for easy readings
  • Displays Fahrenheit and Celsius temperatures
  • Pressure-sensitive backing mounts outside of tank
  • Manufacture: Penn Plax
  • Editor's Impressions Of The Penn-Plax
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Penn-Plax Final Thoughts

"Great for price."

This doesn't bother me as it ws so cheap. You can glue, tape or simply cover the cords in the tank to keep them discreet. I have to admit I had two reasons for buying six. I have kept aquariums for about 45 years. I just wrote it off as a minor loss. I read some of the 1 star reviews and most of them are not about the product. Since it is a mercury thermometer, it is very accurate.

Overall Score
4.6


(3 Points)

7. Accreate Practical LCD 3D Crystal Digital Electronic Thermometer Temperature Measurement for Fish Ta...

Accreate First Impressions

"A solid five stars."

I don't think they are backlit but for the price they are still nice. So far I've been very thrilled with these. I use a small flashlight if I don't want to brighten the area. As you can see from my photos, in both°F and°C, all six are within. I have it in both my aquariums now. It works equally well on all of them. The suction works for a month at a time- in pool and hot tub circulation.

  • Accreate Practical LCD 3D Crystal Digital Electronic Thermometer Temperature Measurement for Fish Tank Aquarium
  • Adopting transparent crystal glass shell shape, fashion and elegant 3D perspective effect.
  • This is high sensitive electronic sensors with precise chip, accuracy up to 0.1 degree.
  • It has a strong sticker on the back, just need to tear off it and stick it on the outer of aquarium.
  • It is great tool for a aquarium thermometer, indoor and outdoor thermometer ect.
  • Manufacture: Accreate
  • Editor's Impressions Of The Accreate
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Accreate Final Thoughts

"Would buy again."

In the right situation this magnet thermometer is the best available. The extra batteries where very much appreciated and came in handy. It worked great and I highly recommend it! I have to admit I had two reasons for buying six. I don't think i'll ever be able to trust a digital thermometer again. I used to have a large hang in the side tank that you couldn't miss. This little wonder allows me to see at a glance that everything is as it should be.

Overall Score
3.3


(3 Points)

8. Zoo Med Digital Thermometer

User Ratings: 71 5

Zoo Med TH-24 First Impressions

"Sticks easy."

When I set up my newest tank I will be getting another one of these. This is my first 5 star review out of many many reviews on Amazon. I used these to raise chicks, and in my parrot cages. I am extremely pleased with this product. I used to have a large hang in the side tank that you couldn't miss. Now if it falls into a sink full of water, it's not a problem. This is my first 5 star review out of many many reviews on Amazon.

  • Zoo Med Digital Thermometer
  • External sensor can go in water
  • Fahrenheit and Celsius
  • LCD readout
  • Pack of 3
  • Manufacture: Zoo Med
  • Product Dimensions: 4 x 1 x 5.3 inches; 0.63 Ounces
  • Editor's Impressions Of The Zoo Med TH-24
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Zoo Med TH-24 Final Thoughts

"They are within 0."

SIX Digital Thermometers with SIX batteries INCLUDED working so well. I have always had trouble reading the color temp. You can use the thermometer with or without the plastic suction cup. Now that the chickens are grown, I have one out in the coop as well. SIX Digital Thermometers with SIX batteries INCLUDED working so well. This thermometer is spot on accurate. I got the second one as a bonus that I'm now using in my old tank.

Overall Score
4.3


(22 Points)

9. UEETEK Aquarium Thermometer Fish Tank Thermometer LCD Digital with Suction Cup for Pond Marine (Blac...

User Ratings: 17 19

UEETEK First Impressions

"It works great."

SIX Digital Thermometers with SIX batteries INCLUDED working so well. So far, they're all doing their job in my four tanks and I am quite content. He was moving slow in the winter and we realized he needed a heater! Now that the chickens are grown, I have one out in the coop as well. My only complaint is that they tend to be a one time use. Since adding one of these, it has been much easier to monitor the temp of my tanks. Was going to get a floater until I saw this magnetic one!

  • UEETEK Aquarium Thermometer Fish Tank Thermometer LCD Digital with Suction Cup for Pond Marine (Black) - 2 Pieces
  • Digital LCD Thermometer for Aquarium Fish Tank Vivarium Reptile Terrarium
  • Ideal for Aquarium or terrarium temperature monitoring.
  • Aquarium Thermometer, Digital Water Thermometer For Fish Tank Aquarium Marine Temperature.
  • -Attach the display unit to the outside of the tank using the suction cups and submerge the probe into the water in the tank.
  • The thermometer is accurate enough to create readings within 0.1 degree
  • Manufacture: UEETEK
  • Product Dimensions: 2.28 x 1.42 x 0.47 inches; 1.76 Ounces
  • Editor's Impressions Of The UEETEK
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

UEETEK Final Thoughts

"Works perfect."

I ordered this guy and it was 6 degrees hotter than the digital! I think the people who said the suction cup broke. So far, they're all doing their job in my four tanks and I am quite content. Simple fix, you adjust the thermometer within the suction cup and VIOLA! Still a recommendation for me due to price and accuracy. The temperature fluctuated a lot with it. It is large enough to see without being obtrusive.

Overall Score
3.2


(6 Points)

10. SHARPTEMP-V Veterinary Thermometer. Fast, Accurate Temperatures in 8-10 Sec. Beeps When Ready. Stain...

User Ratings: 74 7

SHARPTEMP-V First Impressions

"Great product!"

For something so cheap, they are working remarkably well. They are within a degree or two of other thermometers I've checked to compare them. And is easily hidden behind a plant. When and if we run out of this batch, I'll instantly order another batch. The units each had a battery in place and situated for immediate use. Who knows, whatever it was, it was revolting! The temperature fluctuated a lot with it.

  • SHARPTEMP-V Veterinary Thermometer. Fast, Accurate Temperatures in 8-10 Sec. Beeps When Ready. Stainless-Steel Probe w/Rounded Tip. Safe for All Farm Animals & Pets.
  • DIGITAL VETERINARY THERMOMETER: The Sharptemp-V Veterinary 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 4-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. This Veterinary Thermometer reads Fahrenheit ( °F) only.
  • VERSATILE & SAFE: Sharptemp Veterinary Thermometer is for 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 digital veterinary thermometer with 4-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 Veterinary Thermometer. Your satisfaction is 100% guaranteed!
  • Manufacture: Contran Corporation
  • Editor's Impressions Of The SHARPTEMP-V
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

SHARPTEMP-V Final Thoughts

"6 tenths of a degree."

The plastic from the suction cup quickly turned from a clear to a milky white. This is my first 5 star review out of many many reviews on Amazon. Excellent working for our bearded dragon tank. I got root rot after light leaks and high water temps. These are the perfect size to be easily read while not being obtrusive. My 50+ eyes cannot read a regular tank thermometer without squinting. It started working as soon as I put it in and has been working ever since.

Overall Score
4.5


(23 Points)

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