Editor's Choice - Our Favorite Zacro Aquarium Thermometers

1. 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)

Peoples Choice - Other Highly Rated Zacro Aquarium Thermometers

2. 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)

3. 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)

4. BOYU BT-01 Glass Thermometer for Aquarium

User Ratings: 55 20

BOYU BT-01 First Impressions

"LOVE these thermometers."

One being a very expensive digital. You can use the thermometer with or without the plastic suction cup. So far, they're all doing their job in my four tanks and I am quite content. I have to admit I had two reasons for buying six. So far I've been very thrilled with these. This doesn't bother me as it ws so cheap. However, Lucy at Zacro read this review and emailed me.

  • BOYU BT-01 Glass Thermometer for Aquarium
  • Easy-to-read floating thermometer with suction cups
  • Includes a safety zone indicator
  • Ensures your aquarium is at a proper temperature
  • Celsius or Fahrenheit options
  • Manufacture: Tin Tin Trading Inc.
  • Product Dimensions: 1 x 1 x 4.5 inches; 0.64 Ounces
  • Editor's Impressions Of The BOYU BT-01
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

BOYU BT-01 Final Thoughts

"Very easy to read."

6 in a pack, extra batteries, easy set up, great price. Ambient room temperature measures 72. If the digital display starts to get dim, it's time for a new battery. I've checked it against two other thermometers that are accurate. A bit large for anything smaller than 5 gallons, but that's to be expected. The temperature fluctuated a lot with it. One being a very expensive digital.

Overall Score
3.7


(161 Points)

5. 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
  • glass thermometer glass candle thermometer glass brew thermometer glass armpit thermometer glass ball thermometer meat thermometer glass decorative glass thermometer glass tube
  • thermometer water glass thermometer long glass thermometer thermometer bulk glass calibrated glass thermometer traditional glass thermometer beer glass thermometer
  • 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)

6. uxcell Temperature Gauge Aquarium Thermometer with Probe for Refrigerator 2pcs

uxcell First Impressions

"Not just for aquariums!"

For the price I'll probably end up putting these in all of my aquariums. He was moving slow in the winter and we realized he needed a heater! You can not swivle the thermometer to face a certain way. Instead she sent a new package of two, both of which work. I have it in both my aquariums now. So far, they're all doing their job in my four tanks and I am quite content. I used these to raise chicks, and in my parrot cages.

  • uxcell Temperature Gauge Aquarium Thermometer with Probe for Refrigerator 2pcs
  • Temperature range: -50°C ~ +85°C (-58°F ~ +185°F)
  • Designed to be surface mounted
  • Battery Operated (included) (Aprox 2 year battery life)
  • Remote wired probe can read temperature up to 3.3 feet away
  • Perfect for use in refrigerator, aquarium tank, fish tank, pet cage, bedroom or any other place that requires monitoring of temperature.
  • Manufacture: Uxcell
  • Part Number: A19010400ux0397
  • Item Weight: 2.89 ounces
  • Size: 2 Piece
  • Power Source: Battery Powered
  • Batteries Required?: No
  • Editor's Impressions Of The uxcell
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

uxcell Final Thoughts

"89 plus free shipping."

These things are useful for a lot besides pet husbandry, too. I removed the batteries of the units I wasn't using right away. 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. So far, they're all doing their job in my four tanks and I am quite content. A battery can last you up to six months, I'd say, but expect more like three. So the extra units will always come in handy.

Overall Score
3.6


(2 Points)

7. Aquarium Submersible Glass Thermometer With Suction 14Cm Hydrometer Waterproof Fish Tank Durable

User Ratings: 59

Fashion Life First Impressions

"Great for price."

He was moving slow in the winter and we realized he needed a heater! Place it on your aquarium and you are good to go. One being a very expensive digital. When and if we run out of this batch, I'll instantly order another batch. So this is the extreme end of the high temperature range. So, in those cases, I find it easier to simply replace it. He was moving slow in the winter and we realized he needed a heater!

  • Aquarium Submersible Glass Thermometer With Suction 14Cm Hydrometer Waterproof Fish Tank Durable
  • Aquarium and exo terra reptile tank thermometer.
  • Made of high quality glass, clear and easy to read.
  • Stable and durable enough for a long time use.
  • Manufacture: Fashion Life
  • Editor's Impressions Of The Fashion Life
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Fashion Life Final Thoughts

"Love it for my turtles."

49 thermometer that is 100% accurate. Personally I do not mind the way it looks in my aquarium. 50 thermometers, reads much easier and no suction cup residue, also looks better. I used to have a large hang in the side tank that you couldn't miss. I bent it a little bit and when I put it back it was perfectly fine. I am extremely pleased with this product. 89 I could buy Six Thermometers with Six included batteries.

Overall Score
4.2


(4 Points)

8. AQUANEAT Aquarium Thermometer Reptile Thermometer Digital Fish Tank Terrarium Water Temperature Test...

User Ratings: 60 7

AQUANEAT DT-A045x10 First Impressions

"I opened the first three."

These digital thermometers are great and there is no guesswork involved. However, Lucy at Zacro read this review and emailed me. The suction works for a month at a time- in pool and hot tub circulation. I ordered this guy and it was 6 degrees hotter than the digital! It is my opinion that everyone should have these that are in the Aquarium Hobby. They reviewed the packaging or shipping by saying it arrived broken. All were Close enough for a fish tank and other uses.

  • AQUANEAT Aquarium Thermometer Reptile Thermometer Digital Fish Tank Terrarium Water Temperature Test with LCD Display 10 PCS
  • 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-A045x10
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

AQUANEAT DT-A045x10 Final Thoughts

"Great deal."

I recommend gluing the suction cups in place where needed for long-term installation. And for the price you cant beat it. They reviewed the packaging or shipping by saying it arrived broken. The lid is textured aluminum, and the suction cups don't stick to that. Very impressed, I have now had them in used for a month so far. Instead she sent a new package of two, both of which work. I guess these units do not like saltwater.

Overall Score
4.3


(44 Points)

9. Dr. Marine Glass Saltwater Hydrometer Thermometer Reef Soft Coral

User Ratings: 65 9

Aquarium Equip SU First Impressions

"6 tenths of a degree."

These are the perfect size to be easily read while not being obtrusive. You can not swivle the thermometer to face a certain way. The non-working ones still provide 2 batteries each AND. I am extremely pleased with this product. I have mine on my 60 gallon cube marine tank. These are the perfect size to be easily read while not being obtrusive. You can not swivle the thermometer to face a certain way.

  • Dr. Marine Glass Saltwater Hydrometer Thermometer Reef Soft Coral
  • Ensures proper gravity of aquarium water. Easy to use.
  • Ensures all water has the same salinity within aquarium
  • Green indicators are ideal range of water temperature and specific gravity for most salt water / marine aquariums.
  • Measure both Temperature and Specific Gravity of the water.
  • SIZE:19.2CM(7.5"). Glass Hydrometer; Measures Celsius and Fahrenheit
  • Manufacture: SU
  • Product Dimensions: 8.1 x 0.8 x 0.8 inches; 0.96 Ounces
  • Editor's Impressions Of The Aquarium Equip SU
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Aquarium Equip SU Final Thoughts

"Great product!"

A battery can last you up to six months, I'd say, but expect more like three. You can use the thermometer with or without the plastic suction cup. So the extra units will always come in handy. So far I've been very thrilled with these. 6F all six took about three minutes to read between 88. Works well in my betta tank, but provide a couple hours for it to read temp changes. So far, they're all doing their job in my four tanks and I am quite content.

Overall Score
4.2


(100 Points)

10. Lomodo 16 Pack Floating Thermometer Aquarium Glass Temperature Gauge with Suction Cup for Fish Tank ...

User Ratings: 42 15

Lomodo First Impressions

"Works well!"

All were Close enough for a fish tank and other uses. I used these on a number of my aquariums that have discus fish in them. I don't think i'll ever be able to trust a digital thermometer again. SIX Digital Thermometers with SIX batteries INCLUDED working so well. I tested this in a cup crammed full of ice and some water. The display can be set to Fahrenheit or Celsius. I am extremely pleased with this product.

  • Lomodo 16 Pack Floating Thermometer Aquarium Glass Temperature Gauge with Suction Cup for Fish Tank (0-40℃/40-100℉)
  • You will get large quantities of 16 pack floating thermometer, enough for several aquariums
  • Made of clear glass tube and PVC suction cup, good quality and durable, packaged in blister, providing from breaking during transportation
  • Red indicator line let you read the temperature quickly and easily, temperature ranges from 0-40℃/40-100℉
  • Come with suction cup, which can suck the aquariums wall tightly
  • Widely application: you can put it in your pool, pond, fish tank, aquariums, etc
  • Manufacture: Lomodo
  • Product Dimensions: 6.3 x 2.56 x 1.02 inches; 10.62 Ounces
  • Editor's Impressions Of The Lomodo
  • Thermometer Accuracy
  • Quality
  • Value For Money
  • Affordability

Lomodo Final Thoughts

"So far loving it."

Personally I do not mind the way it looks in my aquarium. Simple fix, you adjust the thermometer within the suction cup and VIOLA! 89 I could buy Six Thermometers with Six included batteries. Personally I do not mind the way it looks in my aquarium. The plastic from the suction cup quickly turned from a clear to a milky white. So far, they're all doing their job in my four tanks and I am quite content. You can use the thermometer with or without the plastic suction cup.

Overall Score
3.6


(3 Points)

Copyright © 2022 Rob Aquatics — Primer Child WordPress theme by GoDaddy