The low levels of our watersheds have resulted in tap water with higher than usual levels of manganese. While supposedly harmless the off colored water can be a turn off and too much of a reminder that we are in the third world. Brita filters seem to be unable to remove these contaminants and I have always loathed having to "buy" water in those blue jugs, the insides you can never clearly see anyway and are prone to "film" formation. What water filtration systems have you installed for your homes that have given you potable water on tap? approximate costs would be useful too.