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DreamStation humidifier comments
#11
RE: DreamStation humidifier comments
Am leaving a post here, in case anyone finds out the working range of the automatic settings from the adaptive mode. Because I am staying in Singapore (hot and humid), the heated host and humidifier doesn't seems to work at all "adaptive" settings, and I can't set it to Fixed too Sad
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#12
RE: DreamStation humidifier comments
I'm in the Pacific Northwest. Humidity in the house right now (3:30PM) is 35%, probably similar overnight. Used to use Dreamstation CPAP, with humidity 3 (don't know if it was adaptive or not), heat 3, P10 mask + chinstrap, leak rate of 22% over the last year. Switched to BiPAP 3 weeks ago and found that the humidifier was dry in the morning, my nose was bleeding, and my mouth was  all glued together. DME settings were adaptive, humidity 3%, heater 3. I assumed the high water consumption was mostly due to more leakage due to higher airflow, and refilled the tank around midnight.

We spent a lot of time trying to stop mask and mouth leaks without much success, but based on 2 nights' testing of a new F20Touch, I think we've finally found a mask that we think will  work for me. No leaks, can breathe through both nose and mouth as desired. Test mask was too small (and did leak when it slipped above my mouth), but tonight I'll try the Large and I have high hopes. Humidity is set to adaptive, 4%, which makes my nose and mouth much happier, and now the tank lasts until 3AM or so. Haven't fiddled with the heat yet, but suspect cooler would be OK, and might reduce water consumption.

Bottom line, irregardless: the humidifier tank needs to be bigger. I'm wondering if the inlet tube could be reworked to be a closed tube, allowing the high-water level to be ~1.5cm higher, with 4 or 5 large air exhaust holes in the top (or an open top altogether) to replace the open end. I haven't run any numbers yet, but it looks doable. Comments welcome.
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