Description
Safe for use in rubber liner or plastic ponds. A PPM best seller. For more efficiency....to turn power on/off based on air temperature rather than water temperature, use the optional ThermoCube. Highly recommended for ponds in USDA Zones 7, and north. For ponds in warmer climates, we recommend the 100-watt K&H Thermo-Pond 3.0. **1250-watts **10' cord **3-yr manufacturer's warranty