hygger External Aquarium Thermometer

1 customer review
5.00 out of 5 based on 1 customer rating


Digital aquarium thermometer for saltwater freshwater fish tanks, amphibians and reptiles

Package includes:
1 x Thermometer
2 x Button batteries (1 installed, 1 spare)
1 x User manual

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Product Features

For Various Tanks

The external aquarium thermometer adopts an advanced smart microchip and an aluminum alloy sensor, which can accurately measure the temperature of different types of water such as freshwater and saltwater. It is suitable for monitoring the living temperature of fish, lizards, turtles, and other reptile tanks. The transparent screen prevents blocking the aquarium view.

073 Digital thermometer for aquariums

Easy To Install

The thermometer does not need to connect with wire, it makes your setup look a lot neater and cleaner.

Touchscreen Display Design

Press the ‘SET’ button to switch between Celsius and Fahrenheit.

Replaceable Button Battery

The battery is placed on the front of the unit, no need to peel the thermometer off.

Directions for Use

Use Tips

How To Set Up the High & Low-Temperature Alarms?

hygger 073 aquarium thermometer

Step 1: Press and hold the ‘SET’ button until the number at the bottom left of the screen flashes.
Step 2: Press the ‘UP’ or ‘Down’ button to select your maximum desired tank temperature, and press the ‘SET’ button to save it. The maximum temperature setting temperature range is 32℉-98℉.
Step 3: Then the number at the bottom right of the screen flashes, press the ‘UP’ or ‘Down’ button to select your minimum desired tank temperature. The minimum temperature setting temperature range is 32℉-97℉.
Step 4: Press the ‘SET’ button to save, and complete.


hygger 073 thermometer parameter

Additional information


L-High/Low Temp Alarms, S-Min/Max Temp Records

1 review for hygger External Aquarium Thermometer

  1. Joy

    This thermometer can be a great tool for my tank. It helps me know the real-time water temp.

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