![32](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
How to use it?
First, please immerse the pond de-icer into water, make sure that the water heater is full covered by water, plug it for power. Before you take the heater out of water, you have to unplug it, and then cool down and dry the aluminum part.