Learning Centre - All Articles
Winter Water Chemistry: What Happens Under the Ice
Winter Water Chemistry: What Happens Under the Ice
When winter sets in and the pond freezes over, the surface seems calm, but what is below the ice is far from peaceful. The chemistry of the water below the ice is constantly changing, and it can have serious effects on fish health and the overall balance of the pond ecosystem. This can stress fish, reduce microbial activity, and influence nutrient cycles.
The Oxygen Problem
Proper aeration in the winter is vital for fish survival. When a pond f
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18th Dec 2025
Common Fall and Winter Pond and Lake Care Questions
Common Fall and Winter Questions
As the season changes, many pond owners start to notice the shifts in water quality, fish behaviour, and overall pond health. Cooler temperatures, falling leaves, and changes in biological activity can all affect how your pond functions. Preparing your pond for winter is essential to protect aquatic life, maintain water clarity, and ensure a smooth transition into spring. Below are answers to some of the most frequently asked questions about fall and winter pond
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6th Nov 2025
Can I Leave My Fountain in my Pond during winter?
Fountains beautify your pond and provide the benefits of aeration. However, in Canada, we do not get the pleasure of enjoying them year-round. To avoid any damage to the unit, fountains must be removed before the time water temperatures drop below freezing, or preferably before this point to make the removal process more comfortable for you!
Why is removal necessary?
As water freezes, the surface expands and encroaches on the fountain float to create pressure and cause breakage. Further
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20th Sep 2024
Everything you Need to Know about Kasco De-icers
As Fall is well underway and temperatures are dropping its time to start thinking about installing a de-icer to protect your dock, boats, lifts, and other infrastructure! Pond Pro is Canada's de-icing experts and we can answer all your questions about Kasco De-icers!
Why do I need a de-icer?
Ice expansion, ice jacking, and the blockage of gas exchange can have devastating consequences resulting in damage to hulls, boats, docks and fish kills.
Maintaining ice-free areas or buffer zones c
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20th Sep 2024
What You Need to Know Before Winter: Getting your Pond & Aeration System Ready
Winter is inevitable in Canada. Therefore, our products have been designed and tested for Canada. We offer aeration systems that are highly durable and low maintenance, allowing you to aerate your pond year-round. Always ensure that compressors are kept out of the elements and are kept in an enclosed, fan-cooled, and ventilated cabinet or shed.
Many people wonder if aeration in the winter is necessary. If your pond is not stocked with fish then you do not need to run your aeration year-r
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20th Sep 2024