I have a S9 Resmed Elite with heated humidifier. I fill the water level to the max, but in the morning it looks like 85% or so of the water is still in the tub (the machine has been running 7-8 hours). I live in AZ, a very dry climate. Is that the way it is supposed to be? I set the heat at maximum....

Hi- I have a SleepWeaver Advance with Zephyr seal that I got through my insurance company. I wore it two hours, and it is definitely not the right mask for me. I would be very happy to give it to someone who could use it. I am new, but I believe you can send me a private email so that we can figure ...