During a cold I have also found that a full face mask can work, but I have discovered a trick that is in my opinion counter intuitive. I clean out my nasal passages using a neti-pot, then head off to bed. I turn DOWN the humidity on my xpap and this in turn dries out my nasal passages effectively st...

Thanks for your replies everyone. I have very good tap water and a whole home chlorine filter so I will switch to tap water. I have been using distilled water but at the end of 2 months of usage I have calciifation on the bottom of the humidifier tank. I mean if they cheap out on making distilled wa...

For the humidifer?
Is this just to reduce scale build up?

Or is there a health reason?

David