Does Your Pond Need a De-Icer to Survive the Winter?
A frozen pond seems like such an easy fix: simply break the ice and your problem is solved. However, by doing this you could essentially be putting your fish in front of the equivalent of a sound system. It may sound like a party but the soundwaves can actually stress and hurt your fish. Needless to say, this is probably the worst way to go about saving your fish and aquatic life from a frozen pond. In a situation like this, a pond de icer would be a much healthier and safer solution.
Before you make the plunge, there are a couple of circumstances that will alleviate the need for a pond de icer. If you have a waterfall or you do not have any fish, a pond de icer may not be a necessity. Waterfalls will keep a hole in your pond via the moving water and fish will stay away from it while hibernating as the water will be colder than the rest of the pond.