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OK Has anyone seen any reaction to humidity??
#11
Ive run my Prs1 Auto aflex on system one humidity mode without the heated hose turned on from 1 to 5. No difference.

Now running it in heated hose mode on setting of 3 which is highest in that mode. Puts more humidity out than the other mode but I cant tell a difference in the numbers. If stuffed up or have a cold I max the humidity out. If not I drop it a notch or two. Other than comfort cant see a difference in AHI. I do have mild COPD but doesnt seem to bother me either way.

But I didnt know I was getting less O2 the higher the humidity is set. Never felt any difference. Live and learn I reckon LOL.
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#12
(11-14-2014, 02:03 AM)Ghost1958 Wrote: But I didnt know I was getting less O2 the higher the humidity is set. Never felt any difference. Live and learn I reckon LOL.
That relative humidity changes the density of the air therefore reducing the amount of oxygen available, doesn't really affect us since we breather only a minute amount of the air actually supplied by our machines. O2 is around 20% of the atmosphere, so I don't think there is any cause to worry. Our lungs only absorb a small amount of the oxygen in the air we breathe in anyway. There is still enough O2 in our expired air to resuscitate a casualty.
The question of the need for humidity is a vexed one indeed. For instance, when living in Roma Qld. Relative humidity 6% I didn't even use the humidifier. At the time I was doing ok without. The nasal tissue did dry & crack a bit, but my system soon compensated for that & all was well. I began using humidity six years later when we moved to Toowoomba & I got a new S8. So whether or not we need humidity is unclear. Somebody on the forum is bound to provide further info on this subject.

[Image: signature.png]Keep on breathin'
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#13
(11-14-2014, 02:03 AM)Ghost1958 Wrote: Ive run my Prs1 Auto aflex on system one humidity mode without the heated hose turned on from 1 to 5. No difference.

Now running it in heated hose mode on setting of 3 which is highest in that mode. Puts more humidity out than the other mode but I cant tell a difference in the numbers. If stuffed up or have a cold I max the humidity out. If not I drop it a notch or two. Other than comfort cant see a difference in AHI. I do have mild COPD but doesnt seem to bother me either way.

But I didnt know I was getting less O2 the higher the humidity is set. Never felt any difference. Live and learn I reckon LOL.

The highest setting in heated hose mode for the PRS1 is 5, not 3

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