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Running your pump and waterfall can keep a hole open in the ice as well as oxygenate of the water - and the
patterns of the ice formations around your falls and streambed can be truly beautiful! Just keep an eye
on your stream and areas around the waterfall, since ice dams can form and divert water over the liner. If this
happens, it's best to turn off the pump - if you simply remove the buildup, chances are it will just form
again in the same spot. Remember that to keep your pump functioning properly, your pond's water level needs to be topped off, because water continues to evaporate even during the winter. |
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Turn off and remove your pump, and drain the supply line to your waterfall to keep the tubing from cracking. If you need to do this, you'll have to replicate the effects of the waterfall and keep a hole open in the
ice, to keep the water oxygenated and allow waste gases to escape. Please remember that even when there is ice on the surface, the pond water is warmer deeper in the pond. You don't want to stir up this warmer water, as this will lower the temperature of the "warm" layer of water where your fish are. The bubbles from an air pump will help keep the water oxygenated, and keep a small surface area free of ice to allow noxious gas to escape - as will a floating deicer. |
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View this video for a handy 'checklist' of tasks you'll want to perform to winterize your pond. Performing these tasks
in the fall will go a long way to keeping your pond healthy in the winter months - and reducing your springtime
maintenance burden! You may also want to read the article below for more information on this topic:  Aquarticles.com - your pond in winter
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