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Will I need to top off my pond this winter? If so, how do I stop my hose from freezing? | Decorative Ponds & Water Gardens Q & A

Q: Will I need to top off my pond this winter? If so, how do I stop my hose from freezing?

Q: Will I need to top off my pond this winter? If so, how do I stop my hose from freezing?

Kirsten – Kalispell, MT

A: Though water fluctuations seem more pronounced in the summertime, winter water loss in your pond will happen. When it does, you’ll need to top it off – but access to liquid water can be a challenge in northern climates where landscapes freeze over.

Reasons for Winter Water Loss

Before we get into how to turn up the heat in your water garden, let’s take a look at why water loss happens during the cold season. It can be caused by the following:

  • Low humidity: When the air contains little moisture, evaporation rates increase as the dry air will absorb the water (frozen or not) from your pond.
  • Windy conditions: Wind can also escalate evaporation in your pond. A 5-mile-per-hour wind at your pond’s surface, for instance, results in roughly three times the rate of evaporation on a still day.
  • Ice expansion, formation: Because frozen water takes up more space than liquid water, it will appear that the volume dissipates in your pond as ice forms and expands.

A small amount of water level fluctuation is OK – but if your pond is very shallow (18 to 24 inches or less) and stocked with fish, keep a very close eye on your water level. A few inches of water loss could leave your fish in ice!

Topping It Off

If your pond’s water level drops more than an inch, you’ll need to top it off. But how do you do that if the pond is covered in a sheet of ice, or if the water in your hose freezes solid as soon as you turn on the spigot?

First, you’ll have to break through the ice. To crack through it, remember to never use a drill, hammer or other blunt object, as the subsurface vibrations could harm your fish. Instead, fill a bucket with hot water and pour it on one area of the pond to melt open a hole in the ice, preferably near the edge.

Next, use the heated K&H™ PVC Thermo-Hose™ to fill up your pond through the hole. The thermostatically controlled hose prevents ice from forming in your faucet or hose. The unit’s built-in heating elements turn on automatically when temperatures dip below freezing so you’ll have liquid water coming out of your hose.

You can use the Thermo-Hose™ two ways: either keep it plugged into a power source all winter, or use it as-needed by plugging it in 30 minutes before use. Either way, hook it up to the spigot or water source only when in use and unhook it when you’re done.

Pond Talk: How much water loss do you experience in your pond over the winter?

Keep Your Water Flowing - K&H (t) PVC Thermo-Hose(t)

Do I need to watch the water levels in my pond during the winter? | Decorative Ponds & Water Gardens Q & A

Do I need to watch the water levels in my pond during the winter?

Q: Do I need to watch the water levels in my pond during the winter?

Paul – Wixom, MI

A: Even when winter’s chilly grip takes hold, your pond’s water level will still fluctuate. It likely won’t be as dramatic as summertime’s evaporation rates, but you should definitely keep an eye on the amount of liquid stuff in your pond throughout the cold months.

Causes of Winter Water Loss

During the summer, the sun’s warming rays heat the water in your pond and cause it to evaporate—and sometimes very quickly, depending on how warm the air and water temperatures get. But during the wintertime, water loss can be caused by:

  • Dry air: Low humidity—which is when the air contains little water vapor—can increase evaporation rates as the dry air will absorb the moisture from your pond.
  • Winds: Windy conditions can also escalate evaporation in your pond. A 5-mile-per-hour wind at your pond’s surface, for instance, results in roughly three times the rate of evaporation on a still day.
  • Ice expansion, formation: The liquid water will appear to dissipate in your pond as ice forms and expands.

A small amount of water level fluctuation is OK—but a few inches of water loss could leave your fish in ice, particularly if your pond isn’t that deep to begin with!

Keep It Topped Off

To keep water levels steady (and your fish thawed and happy), you don’t need to warm the water. Instead, you should plan to top off the pond when it dips more than an inch or two, just as you would during the spring and summer.

When you add water to your water garden, make sure it actually goes into the pond—not just on top of the ice. Feed the water through a hole in the ice using a garden hose or a thermostatically controlled hose such as the K&H™ PVC ThermoHose™, which prevents ice from forming in your faucet or hose. The unit’s built-in heating elements turn on automatically when temperatures dip below freezing so you’ll have liquid water coming out of your hose.

If you need to put a hole in the ice that’s on your pond, remember to never bust through it with a drill, hammer or other blunt object as the subsurface vibrations could harm your fish. Fill a bucket with hot water and pour it on one area of the pond to melt open a hole, preferably near the edge.

Pond Talk: How often do you need to top off the water in your pond or water garden during the winter?

Keep Your Hose From Freezing - K&H™ PVC ThermoHose™

How can I find a leak in my pond? | Decorative Ponds & Water Gardens Q & A

How can I find a leak in my pond?

Q: How can I find a leak in my pond?

Jan – East Wenatchee, WA

A: Talk about a tough mystery to solve! A tiny hole in your pond liner or one loose plumbing connection could cause a leak that slowly – or quickly, depending on the leak’s size – drains your pond. And that leak could be anywhere.

Where do you begin your search?

Don’t worry. You don’t have to completely drain your pond or rebuild it from the ground up. Try these mystery-busting troubleshooting tips first.

Is the water evaporating?

During the heat of the summertime, you can expect some all-natural water loss. Thanks to evaporation, up to an inch (give or take) of water will naturally disappear from the pond, and if you have a long stream bed with a lot of surface area or a large pond with few floating plants, even more water could transform from liquid to vapor.

If you suspect something fishy, fill the pond back up and keep an eye on the water level. Any more than an inch or so of water loss could indicate a leak.

Are there damp areas around the pond?

If more than an inch or so of water is disappearing daily, one clear clue that could lead to your leak is a damp area around the pond’s perimeter. That water has to go somewhere, and a patch of wet ground is a great place to start looking for its source.

Walk around the pond and carefully inspect the soil for signs of unexplained moisture. If you find some, take a closer look at that spot’s liner and construction.

Is the waterfall to blame?

If you’ve ruled out evaporation and there are no damp areas to be found, your stream or waterfall could be the culprit. Shut down the system and wait for several hours. If the pond’s water level stays the same, then you’ll know the leak is not in the pond itself. It’s likely in the waterfall or plumbing.

Some spots to inspect include tight curves in your stream where water might be splashing out, and plumbing connections on the pump or waterfall where pipe splits or loose connections could be causing the water loss.

Worst case: Let it leak

If the water continues to disappear from your pond after shutting down the waterfall, keep a close eye on the pond’s water level until it stops falling. When it does, that’s when you should look for the leak. Because the water level will stabilize once it lowers past the hole, you should be able to find the problem at or below the water level and fix it.

To repair the leak, you have two options: patch the hole with a 6-inch self-adhesive liner patch or close it up with some underwater sealer, like Gold Label Pond and Aquarium Sealer. The round liner patch has a self-adhesive backing that’s perfect for quick repairs on small cuts in EPDM liner. The underwater sealer, which works on wet or dry surfaces, instantly repairs leaks in rubber and vinyl liners, as well as concrete, stone, wood, plastic, glass and ceramic surfaces.

Good luck – and happy leak-hunting!

Pond Talk: How did you solve your most mysterious pond leak?

Underwater Pond Sealer - Patch Leaks, Even Underwater!

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