Keep your turtle happy and healthy with the Zoo Med Turtletherm Heater. This submersible heater is specially designed to heat your turtle tank. Each unit features a digital thermometer display that supports temperatures up to 78 degrees Fahrenheit, simple suction cup mounting and an automatic shut-off for added safety. Maintaining warm water temperatures can help your turtle regulate his internal body heat and prevent a loss of appetite caused by inconsistent water temperatures. This heater is great for use with Red-eared Sliders, African Sidenecks, and Musk, Painted and other aquatic turtles.