FLUVAL - Celcius Digital Aquarium Thermometer

Protect your fish from unsafe temperatures with the Fluval Digital Aquarium with suction cup. Fully submersible, the large LCD screen is easy to read and measures water temperature accurately to within 1C.
Simply suction thermometer to the inside of the aquarium, below the water line, and you're ready to go. For fresh or
saltwater aquariums.
Key Features :

Full submersible
Measures water temperature accurately within 1C
Large, easy-to-read LCD Display
For fresh and saltwater aquariums