If you have an ornamental pond, then you know how important it is to keep at least a small hole open in the ice over your pond throughout the winter. Harmful gasses must be able to escape in order for your pond-life to thrive. This electric, floating pond de-icer has 1250 watts of power and is designed for use in ponds from 50-600 gallons. Constructed of patented IceChaser premium cast aluminum for ultimate efficiency and safety, the unit is thermostatically controlled to operate only when necessary. It is fish-friendly and plant-friendly, and comes with a 3 year guarantee.