Winters are a stressful time for koi owners. 계절에 따라 연못이 폐쇄되고 먹이 공급이 중단되며 잉어들은 휴면 상태에 들어가기 때문이죠. Preparing your koi for winter Every pond will cool down and warm up at a different rate and thats why you should have a pond thermometer.