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Can sidewalk salt be used to melt the ice off my pond? | Decorative Ponds & Water Gardens Q & A

Can sidewalk salt be used to melt the ice off my pond?

Can sidewalk salt be used to melt the ice off my pond?

Wayne – Independence, OH

Sidewalk salt is made for one simple purpose: to melt ice on your sidewalk. And while it theoretically could be used to melt pond ice, it’s most definitely not the right product for the job. While some sidewalk salt products are made up of pure rock salt, others contain additives like chloride – and neither substance is particularly fish- or plant-friendly. Because of the harm they can do to your aquatic environment, we strongly discourage the use of sidewalk melt products on your pond.

Fortunately, there are several good, chemical-free alternatives. The first – and arguably most effective – is the year-round use of a Pond Logic® PondAir™ Aeration System. Through the constant flow of air through the water, and the consequent movement of the water, ice can’t form, and a steady supply of life-sustaining oxygen is assured.

For a lower-tech solution, we also recommend our Pondmaster Floating Pond De-Icer/Heater and our Farm Innovators Floating Pond De-Icer/Heater. These two products are designed with heating elements that keep a vent hole clear in even the coldest weather, allowing hazardous decomposition gases to escape. Through the use of these elegantly simple devices, fish can weather the winter safely, and emerge from the ice ready to thrive for another season.

Pond Talk: Do you bring your fish in for the winter? How do you provide an indoor home for them?

Pond Logic Aeration Kits

My pond isn’t frozen yet, but I can’t see my fish. Are they okay? | Ponds & Lakes Q&A

My pond isn’t frozen yet, but I can’t see my fish. Are they okay?

My pond isn’t frozen yet, but I can’t see my fish. Are they okay?
Stephanie – Harpursville, NY

Fish are survivors. And when the water starts getting cold, they head for deeper waters, where the chilling effects of winter air are less pronounced. Provided there’s adequate aeration, your fish will likely linger at the bottom throughout the colder months. As a result, they’ll be much less visible – but the odds are extremely good they’re doing just fine.

In order to ensure there’s sufficient oxygen for the winter, some people opt to keep their aeration systems active all year ‘round. At the very least, though, it’s important to maintain a vent hole when – or if – your pond ices over. The vent hole allows harmful decomposition gases to escape, allowing fish to winter safely. And because their metabolism slows during the winter months, a properly vented pond will likely have sufficient oxygen to ensure the survival of your fish until springtime.

Fish, it turns out, are extremely resilient. After wintering in the lower reaches of your pond, your fish will gradually return to the upper levels once water temperatures start to rise. In general, it’s probably a good sign when fish become less visible. If they’re struggling, it’s far more likely you’d see them at the edges of your pond. So while you might miss them, your invisible fish are probably doing just fine.

Pond Talk: Have you noticed less fish movement in your pond recently?

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