I apologize if this has been covered, but I couldn't find the answer I was looking for. I usually add Irish Moss in the last 15 minutes of the boil. When I transfer to the fermenter, I often pour it through a strainer to get more of the gunk out. What ends up in the strainer looks like most of the moss. Have I gotten the benefit of precipitating the proteins at that point, or am I defeating the purpose by not keeping it in the fermenter?