Sounds like mine only more expensive! I use gallon milk jugs. You can draw a gallon an hour or more. So if you have a 5-gallon container, you could draw up to 1 or 2 gallons per hour up to 30 gallons per day (24 hours). I can draw enough from mine (Culligen) to fill a 2.5 gallon container and 4 gallon jugs in a day easily. Forget the Britta.