Dry hopped it 8 days ago using 2 mesh bags. This is the first time I have used bags to dry hop. I did sanitize both for over 20 minutes before adding hops and dropping into secondary. Today I went to see how things were going and noticed one of the bags opened and the hops were floating around but with a strange cottony look to them. I have attached some pics but is pretty hard to capture via smartphone. Does any one know what these could be?