Obviously, you should always use the cleanest water possible in your humidifier . By clean I mean bacteria free. Which is safest? Bottled water that contains no bacteria fighting chemicals and is tested, weeks or months, if at all, before you use it. Or tap water. In most large municipalities, the w...

sleepytrucker I have had sleep apnea for a long time. A pressure of 7 should not be too difficult. I used 10 for a long time. You might want to get another sleep test. Tell them that you are having problems adjusting to it. The sleep lab should have one of every mask out there. Maybe a different mas...