Nep asked in PetsFish · 1 year ago

Can koi survive outdoors in a pond in Germany without heaters or coolers?

How many gallons will I need?

1 Answer

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  • Anonymous
    1 year ago
    Favourite answer

    A pond that is more than 3 feet deep might allow fish to survive a winter without a heater but it's not guaranteed. Usually a heater doesn't keep the pond warm , it just maintains a hole for gas exchange.

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