9 Best Aquarium Thermometers | May 2017

9 Best Aquarium Thermometers | May 2017
Best Mid-Range
★★★★★
Best High-End
★★★
Best Inexpensive
★★★
We spent 25 hours on research, videography, and editing, to review the top choices for this wiki. Maintaining a stable temperature for your fish is a must if you want them to thrive for your visual enjoyment. Aquarium thermometers are an easy fix that require little maintenance, yet can save you tons of time working on your tank. From digital to old school displays and a variety of different mounting styles, there's sure to be one that fits your specific needs. Skip to the best aquarium thermometer on Amazon.
9
If you’re looking for something that is not digital or high tech, the JW Pet Company is a dependable choice without any of the bells and whistles. There is a green safe zone that illustrates an optimal temperature range, but the numbers are small and a little hard to read.
  • freestanding model available
  • installs with a strong magnet
  • condensation may form inside it
Brand JW Pet
Model 21600
Weight 1.6 ounces
Rating 3.6 / 5.0
8
Designed for both aquariums and terrariums, the Pet Magasin is a cool gadget that can monitor temperature and humidity levels to help you create the most comfortable habitat for your pets. Plus, its large display can be clearly seen from a distance.
  • lightweight and compact
  • comes with a 2-year warranty
  • battery can be hard to change out
Brand Pet Magasin
Model pending
Weight 1.3 ounces
Rating 3.5 / 5.0
7
The Corner Biz Aquarium enables you to check the temperature quickly whenever you look at the tank, so you're always sure your fish are safe. It works like a charm and is a cinch to place just about anywhere thanks to its traditional suction cup design.
  • doesn't require any maintenance
  • unobtrusive slim profile
  • adheres to glass and acrylic tanks
Brand Corner Biz Aquarium
Model pending
Weight pending
Rating 4.0 / 5.0
6
Equipped with four alert features and a large easy-to-read LCD, the Lifegard Big Digital R270779 makes a standout choice for your aquarium. It has a wide temperature range from -58°F to 158°F and constantly monitors both water and room temperature to keep your fish safe.
  • audible and visual alert modes
  • two-year battery life
  • pricier than most other options
Brand Lifegard
Model R270779
Weight 7.2 ounces
Rating 4.3 / 5.0
5
With the BOYU BT-08 you can achieve the perfect environment no matter what type of fish you own. It's made from a high-quality plastic material that prevents any water damage to the unit and has an integrated probe for hassle-free setup.
  • stylish heart design
  • ideal for both salt and fresh water
  • suction cup isn't very strong
Brand CNZ
Model pending
Weight 0.3 ounces
Rating 4.2 / 5.0
4
For a no-fuss way to check your aquarium's water temperature, turn to the American Thermal Instruments. Its straightforward stick and peel design can't get any easier to install and takes the guesswork out of whether your fish are living in a healthy environment or not.
  • can be read at a glance
  • perfect for small tanks
  • flexible plastic construction
Brand RISEPRO
Model TM-4
Weight 0.3 ounces
Rating 4.3 / 5.0
3
For an inexpensive solution that monitors your aquarium effectively, look to the AODE Digital. It's a small, but effective, device that can fit into the corner of the tank, so your eye is drawn to your beautiful fish, not the thermometer.
  • large and clear temp display
  • available in black or yellow
  • hassle-free battery changeouts
Brand AODE
Model pending
Weight 1.6 ounces
Rating 4.9 / 5.0
2
The American Thermal BC002008 is a simple and inexpensive tool designed for use outside the tank and below the waterline. The fully calibrated thermometer uses sensitive color changing liquid crystals to immediately display the aquarium temperature.
  • promptly reacts to any temp change
  • strong adhesive keeps it in place
  • discreet and unobtrusive design
Brand Amer Thermal Instrument
Model BC002008
Weight 0.3 ounces
Rating 4.6 / 5.0
1
With the Zacro Digital, you'll never be in doubt of your aquarium's temperature. This compact device readily attaches to any size of fish tank via a strong suction cup and provides you with accurate readings to within 0.1 of a degree.
  • comes in a one or two-pack
  • can display in fahrenheit or celsius
  • long probe cable
Brand Zacro
Model pending
Weight 0.3 ounces
Rating 4.8 / 5.0

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Last updated on May 23 2017 by Brett Dvoretz

A wandering writer who spends as much time on the road as behind the computer screen, Brett can either be found hacking furiously away at the keyboard or perhaps enjoying a whiskey and coke on some exotic beach, sometimes both simultaneously, usually with a four-legged companion by his side. He hopes to one day become a modern day renaissance man.


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