Q. In my efforts to get ready for the winter, I'm wondering about my fish. Last year my pond froze over and I lost a few Koi fish. I'd like to keep them in the pond as opposed to bringing them inside. If I do that, how can I ensure their survival throughout a cold winter? Thanks.
A. A pond de-icer is essential for fish survival if you live in an area where your pond freezes over. A pond de-icer will leave a small area of the pond ice-free, which will allow harmful gases that would otherwise be trapped beneath the surface, to escape the pond.
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