Going to a heated hose a few years ago solved that problem for me.

I have the Resmed AirSense 10 also. I have the heated hose and run the humidity as high as it will go. I have never run out of water but close. If you are inclined or know someone that is, you could increase the water amount by adding another water reservoir. You would need to insert a water tight 1...

Tdew, I have used a C-Pap for 18 years and have had 4 new C-Pap machines and different masks during that time. There is a BIG difference between the different machines & masks. I now have then Resmed AirSense 10 Autoset and use the DreamWear mask. I find the heated tubing made the biggest difference...