Pondmaster Floating Winter Pond De-IcerPondmasters Floating Winter Pond De Icer is perfect for those colder winter areas where chilly temperatures cause ponds to freeze or ice over. This unique doughnut shaped de icer promotes a healthy living environment for fish and plants alike. Thermostatic control to reduce heating time and save electricity Helps keep pond fish and plants alive throughout the winter 120 watts of energy efficient heating power For ponds up to 2,000 gallons The Floating