Suitable For All Environment --- Use the SunGrow Digital Thermometer in your freshwater or saltwater aquarium or reptile habitat. It is compatible with all types of aquariums and vivariums.

Equipment: A Galileo's thermometer (a sealed liquid filled glass cylinder containing sealed glass floats labeled 18, 19, 20, 21, 22, 24 and 26 degrees C), a 4 liter ...