Editor's Choice - Our Favorite Fluval Aquarium Thermometers

1. 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)

Peoples Choice - Other Highly Rated Fluval Aquarium Thermometers

2. Fluval Wireless 2in1 Digital Thermometer

User Ratings: 69 7

Fluval 11193 First Impressions

"Would recommend!"

Works well in my betta tank, but provide a couple hours for it to read temp changes. The suction will never be the same. Very accurate, have checked it with other thermometers as well. Instead she sent a new package of two, both of which work. I have mine on my 60 gallon cube marine tank. I came here to give this product a positive review. I came here to give this product a positive review.

  • Fluval Wireless 2in1 Digital Thermometer
  • 2-in-1: Measures water & room temperature accurately within 10C/20 F
  • Wireless technology: no probes or messy wires Large LCD display simultaneously shows aquarium and ambient room temperatures
  • Large, easy-to-read LCD Display
  • For fresh and saltwater aquariums
  • Manufacture: Rolf C. Hagen (USA) Corp.
  • Product Dimensions: 0.5 x 2.6 x 4.9 inches; 1.28 Ounces
  • Editor's Impressions Of The Fluval 11193
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fluval 11193 Final Thoughts

"Great product!"

The non-working ones still provide 2 batteries each AND. In this scenario it would probably get knocked loose a lot. Love it, it's easy to read and keeps an accurate temp. And is easily hidden behind a plant. Love it, it's easy to read and keeps an accurate temp. He acted aggressively towards it and so I ultimate ended up removing it due to that. Far more accurate than the usual small glass ones or external LCD strips.

Overall Score
4.4


(318 Points)

3. Fluval Nano Thermometer

User Ratings: 64 12

Fluval 11199 First Impressions

"There is no question."

The only reason I didn't give this 5 stars is because my betta fish didn't like it. And for the price you cant beat it. I needed a solution that was not breakable and these do the trick! They reviewed the packaging or shipping by saying it arrived broken. These things are useful for a lot besides pet husbandry, too. I have this thermometer on all my tanks. I just wrote it off as a minor loss.

  • Fluval Nano Thermometer
  • Thermometer ideal for use with Fluval EBI Nano Shrimp and Fluval Flora Aquatic Plant Kits
  • Temperature range of 35-125 Fahrenheit
  • Accurate and easy to read
  • Perfect size for your aquarium
  • Measures 4 inches tall
  • Manufacture: Fluval
  • Product Dimensions: 1 x 2.3 x 4 inches; 0.48 Ounces
  • Editor's Impressions Of The Fluval 11199
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fluval 11199 Final Thoughts

"Love it for my turtles."

2 deg, if it was 32, it would be a SOLID block of ice. 6 inch long Bala Sharks that are known to be very unruly and boisterous. It is about 6 inches in length and roughly an inch wide. It worked great and I highly recommend it! It is about 6 inches in length and roughly an inch wide. I used these on a number of my aquariums that have discus fish in them. It is about 6 inches in length and roughly an inch wide.

Overall Score
4.1


(147 Points)

4. 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)

5. 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)

6. Vacally New Glass Meter Aquarium Fish Tank Water Thermometer Suction Cup Aquarium Glass Thermometer ...

User Ratings: 57

Vacally Aquarium Accessories First Impressions

"Very accurate."

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. The suction will never be the same. Now I'm getting back in on a much smaller scale with 3 gallon Acrylic Nano tanks. It is large enough to see without being obtrusive. 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.

  • Vacally New Glass Meter Aquarium Fish Tank Water Thermometer Suction Cup Aquarium Glass Thermometer Salt Marine
  • ❤Material: glass ❤Test range: 0 ~ 40 ℃ ❤ Size: about 10.5cm ❤Quantity: 1
  • ❤Clearly readable scale tells you to understand the temperature at two degrees Celsius and Fahrenheit.
  • glass thermometer glass globe thermometer standard glass thermometer weather glass thermometer glass oral fever thermometer glass oral thermometer mercury 12 replacement
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  • Manufacture: SJHDFI49
  • Product Dimensions: 4.13 x 0.39 x 0.39 inches; 0.6 Ounces
  • Editor's Impressions Of The Vacally Aquarium Accessories
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Vacally Aquarium Accessories Final Thoughts

"Great price."

Ordered three of these and they do the job. It is easy to use and install it'disappears' in your tank it is so unobtrusive. If the digital display starts to get dim, it's time for a new battery. I got the second one as a bonus that I'm now using in my old tank. So this is the extreme end of the high temperature range. 49 thermometer that is 100% accurate. And I just really started to doubt it.

Overall Score
4.6


(2 Points)

7. VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction C...

User Ratings: 71 3

VIVOSUN First Impressions

"Fast accurate readings."

Excellent working for our bearded dragon tank. It is my opinion that everyone should have these that are in the Aquarium Hobby. I ordered a new one and it works GREAT! The non-working ones still provide 2 batteries each AND. Water tested with Autidefy brand for two hours. The lid is textured aluminum, and the suction cups don't stick to that. This doesn't bother me as it ws so cheap.

  • VIVOSUN 2-Pack LCD Digital Aquarium Thermometer Fish Tank Water Terrarium Temperature with Suction Cup for Turtle
  • HIGH ACCURACY: Temperature Range: -50℃ ~ +70℃ (-58 °F ~ +158 °F); This aquarium thermometer is accurate to +/- 1℃, no matter whether the probe is placed in any corner of this fish tank, an accurate temperature will be displayed
  • LCD DISPLAY: Comes with a large LCD display that is easy to read clearly and accurately
  • ADJUSTABLE UNIT TEMPERATURE: Easy to adjust the temp between Fahrenheit and Celsius displays; Long-press the power button to adjust the unit display
  • TWO SUCTION CUPS: Equipped with two suction cups, one for attaching the cable to the side of the tank and another for attaching the thermometer
  • SUPER LONG CABLE: The cable length connected to the probe is 39.37 inch (1 m) superior to 23.62 inch (60 cm) standard cable length; Allows accurate temperature measurements in even the largest fish tanks
  • 1. Open the battery cover on the back of this thermometer and insert the button battery to ensure the “+” positive electrode is face up;
  • 2. Use one suction cup to attach the back of this thermometer, then fix this unit to the outer of this fish tank, another suction cup is for attaching the cable;
  • 3. Submerge the probe attached cable into the fish tank;
  • Manufacture: VIVOSUN
  • Editor's Impressions Of The VIVOSUN
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

VIVOSUN Final Thoughts

"There is no question."

Love it, it's easy to read and keeps an accurate temp. And I just really started to doubt it. 6 inch long Bala Sharks that are known to be very unruly and boisterous. Then is started to give a low reading, and it is not reading the correct temperature. Far more accurate than the usual small glass ones or external LCD strips. It's kind of difficult to hide and keep out of the way. I came here to give this product a positive review.

Overall Score
4.5


(512 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. 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)

10. 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)

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