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My water quality is good now, but what do I need to do over the winter to keep it that way? | Ponds & Lakes Q&A

Q: My water quality is good now, but what do I need to do over the winter to keep it that way?

Q: My water quality is good now, but what do I need to do over the winter to keep it that way?

Quintin – Pine Bluff, AR

A: When it comes to doing chores at the pond, it is easy to let your guard down this fall. Thanks to your hard-working bacteria, the water is clean and clear with minimal algae, and your fish are happy. You have nothing to do but coast into winter and hibernate until spring.

Not so fast.

As water temperatures drop, those bacteria and algaecides stop fighting off excess nutrients and cold-temperature plant growth. They are no longer effective at their jobs, and so you need to step in and help. Here’s what you can do to maintain pristine water quality over the winter.

  • Add Some EcoBoost™: Formulated to bind organic debris suspended in the water, Pond Logic® EcoBoost™ helps to clear water and enhance beneficial bacteria. It also provides more than 80 trace minerals to fish, keeping them healthy over the winter. EcoBoost™ has no temperature restrictions, so you can use it all year round. Simply mix the powder with some water in a pail and pour it in the pond.
  • Tint with Pond Dye: During the cold temperatures and even iced-over conditions, algae and plants can grow along the bottom since they are still exposed to sunlight. Pond Dye can be used year-round – winter included – to control algae growth by shading the plants from the sun’s UV rays. The dye also imparts a dramatic hue to the water, giving it a great look when it ices over.
  • Aerate and Oxygenate: You can also improve water quality through the winter by keeping the oxygen levels up and water circulating. If you are not going to use the pond for ice-skating or hockey, we recommend you use a subsurface aerator, like the Airmax® Aeration Systems. The system will keep the air bubbles flowing throughout the water column while maintaining a hole in the ice for gas exchange. If you have a fountain running, remove it and store it for the winter. Ice can damage the motor in the pump.

Before you hibernate for the winter, spend a few hours out at the pond to prepare it for winter. When you look out on a crystal clear pond in January, you’ll be happy you did!

Pond Talk: How do you keep your pond clean and clear during the winter months?

Sink Suspended Organic Debris - Pond Logic(r) EcoBoost(t) Bacteria Enhancer

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® Pond Series™ Aeration

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