Originally Posted By DJ2

I didn't mention this in my post but the problem occurs between trips not after trips. The filter would flow well after backflushing it when I store it. When I took it out of storage after a few months, however, the flow was greatly reduced. So I think the problem has more to do with some aspect of the drying process (in my case) than floaties etc in the filter.

In one of the links above, a poster made this comment,"Most of the reports of the Sawyer filters slowing to a crawl (my inline did this) are when the filter dries out in storage, not usually on a hike."