We have been using the water filter machine for many years now 10 cent a liter or 60 cent for 5 liter. I normally refill a couple of 8liters. Which is now 20cent per liter $1.60. Which on fairness you can buy in the shops for that I know the machine needs new filters and little maintenance but surely this is making money.. in fairness I think it should be revised to be reduce..