Prevent your pond water from freezing in the winter with the API Floating Pond Deicer. This floating de-icer heater keeps your pond completely ice-free, allowing fresh oxygen to reach your pond so your fish stay happy and healthy. Use this pond water heater in any 70- to 100-gallon pond. The pond de-icer uses thermostatic control coupled with thermal feedback to protect the unit from overheating. The pond deicer float is completely enclosed in a rugged, plastic housing, designed float on the surface of your pond water. Built tough for outdoor use, this water tank heater features a durable, stainless steel heating element that resists corrosion over time. The pond water heater's thermostat is positioned above the heating element, which keeps it safe in low-water conditions. With a 15-foot anti-rub cord, you can position this floating pond de-icer anywhere in your garden pond. Keep your fish happy and healthy through the winter with the API Floating Pond Deicer. API