Thanks, I just printed that out and added to my survival binder.
1 more question anybody, If I use the Berky or the ceramic filters in a bag or bucket, do I still need to boil or add bleach? When it was me Close enough was fine. Now with a wife, 5yr old son and baby daughter due in Nov. I want to be damm sure I'm %100 right on target and not just close enough. Thanks