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More water used for a nasal mask?
More water used for a nasal mask?
So I'd been using a full face mask for the past two weeks, and barely went through a quarter tank of water. 
I've been using a nasal mask for the past two days and I've woken up to an empty tank (and a sore throat) for the last two days. 

can anyone speculate on why this might be? I have my mouth taped so I'm not gulping air.
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RE: More water used for a nasal mask?
How does the leakage compare between the two models?  Apart from a near-instantaneous fill of the larger mask, the rest is just mass air flow for both masks since lung volume and hose diameters are not factors that differ.  So, if all else is equal, including settings made for each according to their type, and settings for heat/humidity haven't changed, I don't see any other explanation.  Except, of course, for a new leak in the reservoir.
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RE: More water used for a nasal mask?
Which mouth tape are you using? I use Cover Roll tape and it is rated as "air permeable". So I still get air that comes out of my mouth, and I end up with a sore throat. A sore throat is not limited to in-going air, it can be from a steady stream of out-going air (which is my issue). I've had to double layer the mouth tape and it works well for me.
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RE: More water used for a nasal mask?
Thr micropore tape, with a little hole cut.
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