이 하얀색때문인가요??? 하얀색 버섯?곰팡이?처럼 나서 시간지나면 갈색으로 말라사라지는데.. 이것때문인가요?? 이거뭔가요

집앞에서 요거 뿌리라는데 이것만 계속 뿌릴수도업구 ㅠㅜ원인이뭘까요

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