yall may have already red this but just incase .it a great book of info .LDS Preparedness Manual .cant remember were i found it i printed it of about 200 pages .it comes from the church of jesus christ of latterday saints.hope that helps.ill try an find were i found it .its every thing about storen food an heck every thing u need to know about how when an how long will it last ,im read it at the thrown thought it might help someone . thx