ISTA Mini Thermometer

This mini thermometer from Ista is the perfect device to use in nano or small aquariums, or to check the temperature when needed. With the included suction cup, you can easily attach it to any glass or acrylic surface, anywhere in your aquarium where it can be seen easily for your convenience. This thermometer is only 3 inches long and measures up to 50 degrees Celsius (122 degrees Fahrenheit). 3" L