JBJ Floating Glass Thermometer F/C for Aquariums BT-01
Water temperature is a key factor in keeping fish healthy and happy. The JBJ floating glass thermometer sticks on the inside of your aquarium with a suction cup. Precise indicator of tank temperature and easy to read.

Features:

-Floats
-Suction cup
-Temperature range 30-110F
-Safety zone indicator in green
-Celsius/Fahrenheit
-For freshwater or saltwater