buy this rings a bell
"33. Make coffee using eighteen scoops of budget priced coffee grounds per pot, and let the pot simmer for 5 hours before drinking."
once we had a CQ det and needed to work the week end. We worked Thursday night to friday morn normal shift ... left full pot of coffee ... came in Saturday Morn plugged in Coffee maker and re-perked the coffee thru the old grounds ...
Drank it and did not think twice.
Stand up For your Civil Rights