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I heard you can lose fish during the winter. How do I prevent a winter fish kill? | Ponds & Lakes Q&A

Q: I heard you can lose fish during the winter. How do I prevent a winter fish kill?

Q: I heard you can lose fish during the winter. How do I prevent a winter fish kill?

Jon – Little Suamico, WI

A: Imagine being cooped up all winter long in a room with no ventilation and no fresh air. Pretty claustrophobic, right? Now add the stench of decaying garbage and other waste buildup … it’s likely you wouldn’t last until spring.

It’s a similar situation with your fish.

In colder climates that freeze over the winter, decomposing vegetation and waste beneath the ice layer releases toxic gases that build up, displacing the oxygen that the fish need to survive. When that O2 is replaced with ammonia and other harmful gases, the result can be a winter fish kill.

So how to do you prevent this from happening? Aeration with an Airmax® Aeration System.

Open a Window!

An Airmax® Aeration System sized for your lake or pond moves the water below the frozen surface, which keeps an air hole open in the ice. This ventilation allows the harmful gases to escape while bringing in fresh oxygen for your fish. The aeration also injects oxygen into the water via the bubbles that come out of the diffuser or air stones.

Provide Year-Round Oxygen

For the health of your fish, we recommend you run an aeration system year-round—unless you plan to use the pond for winter activities, like ice skating or hockey, that require a solid and safe sheet of ice. In that case, follow the instructions in your product manual to safely turn off your system.

Create a Warm Zone

If you plan to run your system year-round, move the diffuser plates into shallower water during the winter months. This will allow your fish to hunker down in your pond’s warmer depth for the winter. It will also prevent the rare “super cooling” effect, in which the water temperature dips below freezing and over chills your fish.

Pond Talk: Have you ever experienced a winter fish kill? What changes did you make to prevent it from happening again?

Aerate Your Pond in All Seasons - Airmax® Deep Water Aeration

When should I remove my fountain? | Ponds & Lakes Q&A

Q: When should I remove my fountain?

Q: When should I remove my fountain?

Ray – McDermott, OH

A: Among your fall-preparation chores is removing the fountain and storing it for winter, particularly if you live in an area that endures freezing temperatures. Why? When ice forms, the cold stuff might damage the float. Or it could create a barrier that prevents water from passing through the spray nozzle, causing your fountain run dry and destroying your motor.

Your best bet: Remove the fountain before the ice begins to form. Sure, you could wait until a thin layer develops and then remove it—but that means you have to get wet and messy when it’s freezing. Not fun. Get a jump-start now before temperatures get too frigid.

Here are four easy steps to pulling out and storing your fountain for the winter:

  • Pull the Plug: Turn off the power to the fountain and pull it ashore. Most units have a quick disconnect at the motor that allows you separate the fountain from the main power cord.
  • Scrub Down: Wash down the fountain and float assembly to remove any algae or debris that has accumulated over the season. If you have a pressure washer, use it. It’ll make short work of even the dirtiest fountain.
  • Electrical Check: Inspect wiring and electrical cables for signs of wear or damage. If your fountain has lights, check for burned out or damaged bulbs and lenses.
  • Safe Storage: Once your fountain is cleaned and inspected, store it in an upright position in a climate-controlled location, like a heated pole barn or garage, until spring.

Now that it’s out and cleaned, you might want to consider sending your fountain to a licensed repair facility for routine maintenance tasks, including oil changes and/or seal replacements. Be sure to read through your user’s manual for special instructions and maintenance plans to keep your fountain running at its very best.

If you don’t plan on using the pond for ice skating or other winter recreation, now is a great time to install an Airmax® Aeration System to keep your pond oxygenated and healthy through the winter months. The aerator will circulate the water while keeping a hole in the ice surface, which will bring oxygen in and allow toxic gases to escape.

Pond Talk: How often do you have your fountain serviced by a licensed repair facility?

Aerate Your Pond in All Seasons - Airmax(r) Deep Water Aeration

Didn’t Get What You Wanted This Christmas?

Our Gift To You?

Didn’t Get What You Wanted This Christmas?

Whether Santa left you hanging this year or you’re eager to put your newly acquired gift cards to good use, it’s not too late to give your pond some holiday cheer. As a thank you for another amazing year, we’ve extended our $30 off $150 promotion through January 2nd. We hope you are enjoying the holidays and wish you the best for the New Year.

-Sincerely
The Pond Guy® Staff

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?

During the summer, I run my aeration system all the time. Can I just run it part-time during the winter so the pond will freeze for skating? | Ponds & Lakes Q&A

During the summer, I run my aeration system all the time. Can I just run it part-time during the winter so the pond will freeze for skating?During the summer, I run my aeration system all the time. Can I just run it part-time during the winter so the pond will freeze for skating?

Klaus – Columbia, MO

If you’re the least inclined to use your pond for ice skating during the winter months, there’s only one way to go – and it doesn’t involve aeration.

Lots of pond owners choose to keep their aerators up and running during the winter months. It’s a logical choice – particularly when the pond is inhabited year ‘round by fish – because the aerator prevents the pond from freezing fully, allowing potentially gases produced by organic matter decomposition to escape. But for people who put a premium on ice skating, any aeration is a no-no.

Why? Because aerators keep water moving. And when water is moving, ice has a tough time forming. When it does form on an aerated pond, the ice is extremely porous, and nowhere near as strong as the solid ice that forms on still water. As a result, an aerated pond is never safe for skating – even if the aeration is sporadic. That’s the primary reason we recommend the ready availability of our Taylor Made 20” Life Rings to provide an added measure of safety for anyone who ventures onto the weakened ice.

So, if you choose to skate, it’s wise to shut down your aeration system completely. You can leave your airline and plate in the pond, but the cabinet and compressor should be stored indoors to prevent condensation and rusting.

If you love to skate, skate safely. And enjoy your pond with confidence all year long.

Pond Talk: Do you use your pond for skating in the winter?

Taylor Made 20 Inch Life Rings

When should I remove the fountain from my pond? | Ponds & Lakes Q&A

When should I remove the fountain from my pond?

When should I remove the fountain from my pond?
Fran – Lapeer, MI

While we’re not particularly anxious for winter to arrive it is in our best interest to start preparing for the cold that will inevitably come. Since you are working not only outdoors but in the water as well you may want to get a jump start on removing your fountain from your pond before you start feeling the full effects of winter.

Convenience aside, you can leave your fountain in the pond until ice starts to form. Surface forming ice may damage the float or other parts of your fountain and can potentially prevent water passing through the spray nozzle from returning back into the pond. This ice barrier can cause the fountain to run dry destroying your fountain’s motor.

Removing your fountain and preparing it for storage is a fairly simple process. Most fountains have a quick disconnect at the motor that lets you separate the fountain from the main power cord. Make sure you turn off the power to the fountain and pull your fountain ashore. Wash down the fountain and float assembly to remove any algae or debris that may have accumulated over the season, a pressure washer makes short work of even the dirtiest fountains. Inspect electrical cables for signs of wear or damage and, if your fountain has lights, check for burnt out or damaged bulbs and lenses.

Since the fountain is out of the pond and won’t be used for a few months, now is the perfect time to send it to a licensed repair facility for any routine maintenance it my require such as oil changes or seal replacements. Once your fountain is cleaned and inspected store it in an upright position in a climate controlled location like a heated pole barn or garage. Since there are many different types of fountains, it is very important that you read through your user’s manual for special instructions and maintenance plans to keep your fountain running at its very best.

If you are feeling adventurous and want to run your fountain throughout the winter you can minimize the risk of damaging your equipment by selecting a more suitable spray nozzle and regularly monitoring the environment. Choose a spray nozzle that throws heavier streams of water instead of a misty pattern. Water moving at a higher volume in a dense pattern is less likely to freeze than water sprayed in a finer pattern. Periodically check the fountain to make sure the spray nozzle is unobstructed and that the water can return back into the pond. If you are going to run your fountain in temperatures below freezing you will have to run it continuously or the water in the fountain head will freeze when switched off. Keep in mind that parts damaged by winter operation may not be covered under your manufacturer’s warranty.

If your fountain is your primary source of aeration you have a few alternatives to get you through the winter. Try to keep a hole open through the surface ice in your pond. This will allow toxic gasses formed by decomposing organic debris to exit the pond and let fresh air in. Since cold water holds oxygen easier and your fish are less active in cold water you may not need additional aeration. If you are concerned however, you can install a bottom diffused aeration system which can be run year round even when ice forms on the pond.

Pond Talk: Do you run your fountain in the winter? Send us some pictures of your fountain in action.

Kasco 1/2 HP Surface Aerators

What Do I Do With My Bubbler Aeration System During the Winter? – Pond & Lake Q & A

Picture of Winter Aeration in a Pond.

Q: I have a bubbler aeration system in my pond. What do I do with it in the Winter? Do I take it out? – Jack of Maine

A: I recommend leaving the bubbler aeration system running throughout the entire Winter. Running the aeration system during the Winter is as important as running the system during the hot Summer months.

Preventing Winter Fish Kills with Aeration: The problem with not running your system during the Winter is the increased probability of have a Winter fish kill come Spring. A Winter fish kill is when toxic gases from dying or rotting vegetation accumulate underneath the ice. With no hole in the ice to allow for these gases to escape, the fish can suffocate.

The Proper Time to Remove the Bubbler Aeration System: If you plan to ice skate on the pond or if you have quite a bit of snowmobile traffic on the pond, then I would strongly recommend not running the bubbler aeration system at all during the Winter.

Removing the aeration system is simple. Disconnect the airline(s) attached  to the cabinet and compessor. Cap the airline(s) or use duct tape to ensure no dirt or water can get into them. Store the cabinet and compressor in a cool, dry place. The diffuser at the bottom of the pond is fine to leave in there throughout the Winter. There is no need to remove it.

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