Once the evolution starts, it is virtually impossible to defend against. Without appropriate cleaning solution and knowledge they is capable of permanent chaos on your rug and destroy its value and wonder. Do you have a high humidity level in your own? https://krair-kr.cdn.ampproject.org/c/s/Krair.kr/bbs/board.php%3Fbo_table%3Dfree%26wr_id%3D535673