class="wp-image-562"/>
Inkbird Digital Aquarium Thermometer is a premium item on the list of the ten best aquarium thermometers. It comes with a submersible probe that can sense the temperature of freshwater and marine fish tanks. The device can measure room temperature and humidity in addition to water temperature with a built-in sensor. It has a large digital LCD with a built-in backlight. The thermometer can display readings in Celsius and Fahrenheit. Its probe supports a range of -40 to 100°C with an accuracy of ±0.5°F (0.3°C). You can install an application on your smartphone to monitor and export recorded data. It uses a pair of AAA batteries.
9. Windbells Aquarium Thermometer

If you are looking for the ten best aquarium thermometers, then the Windbells Aquarium Thermometer will be a suitable choice for you. Its probe can be dipped into the water and supports a temperature range from -50°C to +70°C. The large LCD on the thermometer makes it easy to read. It can display the reading in Fahrenheit or Celsius units. There are two suction cups provided for easy installation. It uses a single LR44 battery that will last for several months. Windbells Aquarium Thermometer is available in yellow and black colors.
10. POPETPOP LCD Digital Aquarium Thermometer

POPETPOP LCD Digital Aquarium Thermometer is another great option for fish tanks. It supports a temperature range of -20°C to +70°C with an accuracy of ±1°C (±2°F). Its LCD can show the reading in Celsius or Fahrenheit. The thermometer uses a highly-accurate sensor for giving precise readings and measures the temperature every ten seconds. It separately shows the minimum and maximum temperatures as well. You can install the device and the probe using suction cups or spring clips. It is powered by two AG13 button cells.