Swell Internal Digital Thermometer

This Swell Internal Digital Thermometer is a great way to measure temperatures inside your aquarium. It's designed to sit inside your aquarium with the suction cup provided. It also has an easy-to-read LCD screen that informs you of accurate temperatures up to one decimal place.

It's recommended that you attach this thermometer towards the top of your aquarium, to make it more easily visible. To change its battery, just unscrew the cap on the back side of the thermometer. It takes just one LR44 button battery (which comes included).

This Swell Internal Digital Thermometer is designed for tropical and marine tanks where maintaining a set and stable temperature is of paramount importance. This compact thermometer will provide you with constant, accurate readings and let you know whenever you need to turn your aquarium heater up or down.