Koi pond in spring - avoid problems

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Kois after hibernation

 

The transition from winter to spring is a risky time in the pond. If you haven't heated your pond over the winter months, the fish will retreat to the bottom from 7 degrees Celsius to hibernate. During this time the metabolism was very much reduced. Only when the water temperatures are constant again at 12 to 13 degrees do the Koi become really vital again. Nevertheless, the changeable weather has its effects on the garden pond. The rising temperatures signal to the Koi that spring is coming and that it is starting to revitalize its metabolism. In this process of waking up and increasing metabolic activity, it means enormous stress for the Koi when the temperature drops again. This weakens the immune system, making it vulnerable to parasites and disease. For this reason, the pond cover should not be removed with the first rays of sunshine. It is also advisable to use a pond heater to keep the pond at a constant temperature level so that it does not cool down again when the temperatures drop again comes to night frosts.
No matter how sluggish the animals are, you can also control them very well and assess how they survived the winter. Pay attention to abnormalities so that you can react immediately. Even when the sun is smiling, it is still too early to put new fish in the pond. For this, the pond water should have a constant 15 degrees.

You can read more about our article how long do koi fish live

 


How long do Koi Fish Live

 

Feeding the Koi

 

The feeding of the Koi is also of great importance in this transition period. The metabolism only gets going slowly and the digestive tract is still very sluggish. The wrong food not only stresses the digestive tract and weakens the immune system. The wrong food can also pollute the water very heavily, as it is excreted incompletely digested. Due to the incomplete digestion, the Koi does not receive all the nutrients it needs. Signs of malnutrition appear. During this transition period, the fish need an easily digestible food. It should have a high proportion of fish oils, which gives the fish energy. The protein content should be below 40 percent. Small portions should be fed several times a day.

 

Pond filter in spring

 

The filter system can be removed from the pond and cleaned over the winter. However, when nature awakens, the filter should also be reinstalled in the pond. When the first rays of sun shine on the water, algae can multiply very quickly. And without a filter, these can spread almost unhindered in the water. The metabolism also increases again with the awakening of the Koi in the pond. Caution is required and should not be waited too long, not that the water quality deteriorates rapidly. It should be noted that the filter system also needs some time to be properly run in again. This start can be pushed with bacterial cultures, but these also need something to settle in the filter and start their work.
During this time, the water values ​​should be checked very closely so that a change can be reacted directly to.

With these little tips, mistakes can be avoided and the pond can start the new season well.