Hagen Marina Liquid Crystal Plastic Thermometer, Centigrade-Fahrenheit

With water temperature being such a critical factor for the well-being of fish, it’s important to have a good thermometer. This Marina Plastic Thermometer comes with a suction cup for easy and reliable installation on your aquarium glass. Accurate and easy to read, it provides temperature readings in Centigrade and Fahrenheit. It also has a safety zone temperature range indicator for most tropical fish. For fresh or saltwater aquariums.