Koi Tips: How do Koi Fish Survive The Winter?

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Their metabolism depends on the temperature of the water that they live in. In the wintertime, once the water from your pond is ice cold, the Koi fish’s metabolism slows down to a crawl. They spend the majority of their time treading water in the bottom of the pond, while occasionally swimming around a little. They do not sit completely still all winter, they require a small motion to keep their joints from seizing up. In the wintertime, the warmest water is at the bottom of the pond. That’s the reason Koi invest most of their time there.

It would be nice if you could take care of a Koi pond like a backyard, forgetting about it throughout the winter, allowing it freeze and then taking care of it again in the spring after everything thaws out. Usually, people learn the hard way that you shouldn’t forget about your pond when they wind up with a set of fish which are floating upside down.

There are 2 easy ways to Care for your Koi from the winter:

  • Setting up a tank in the garage or home
  • Heating the pond


Winter Tank Setup

Normal fish tanks are not large enough for Koi fish. A fish tank may work well when your Koi are modest, but they tend to grow faster than you want them to and soon enough your tank will be too little.

These are considerably stronger and easier to move than a glass aquarium.

The filtration equipment necessary for the winter tank is dependent upon the location it’s going to be set up in. If you keep the tank in your garage, you will want a smaller filter, a bubbler, and a de-icer. If you keep the tank in your home or a heated garage, then you’re going to want a bigger filter, a bubbler and a source of Koi food. The tank will be warm enough to stop them from hibernating.

A tank setup ought to be somewhat near a supply of water and a drain, for if you will need to water changes or clean the filter. A power source must run the filter equipment also. Be certain that you always use de-chlorinated water to fill the tank. The winter tank ought to be covered by a net, Koi fish like to leap from a new place. Water changes should be carried out weekly or bi-weekly based on the amount of feed the Koi are getting and how warm the water is. They can be carried out on a monthly basis if the tank is in a garage.

Heating Your Pond

Another way to keep your Koi in the pond during the winter would be to put in a heating system. A heating system consists of a boiler, heat exchanger and a temperature probe.

Maintaining the pond in summer time temperature range all year long Preventing the Koi pond from freezing Stopping the big temperature swings that occur in a pond in the spring Heating up the water for Koi through “Aeromonas Alley” as quickly as you can be Heating the pond to boost a Koi’s immune system to help it when it is ill

Pro-Tip: If you heat your pond, you’ll also need to maintain on feeding, filter cleaning and water changes (to stop the pH level from crashing).

Having Koi in the winter does not mean that you’re stuck at your house rather than escaping to a tropical place. If you leave, have someone accountable check on the pond set up a few times a day to be certain that everything is alright. Leave detailed instructions about what to do if there’s a Koi emergency. If you bring a laptop, you could always set up a camera system to keep your eye on your own Koi where you go.

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