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Waking up w/ empty humidifier
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sir_sleeps_alot Offline

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Machine: ResMed S9 Autoset
Mask Type: Nasal mask
Mask Make & Model: Mirage FX
Humidifier: Hi5
CPAP Pressure: 14 cm h2o
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Sex: Undisclosed
Location: New England

Post: #1
Waking up w/ empty humidifier
Twice this week, I woke up to find my humidifer chamber dry and warm/hot to the touch. I run it between 3.0 and 4.5 depending on how I feel. I am averaging 9 hours of sleep each night.

Aside from getting up in the middle of the night and refilling it, anyone have any ideas or suggestions on how to make it through the night (without turning things down) without running out of water?

Anyone have insight as to whether or not I'm going to melt my cpap or burn down my house?

Thanks.
11-27-2013 02:15 AM
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DocWils Offline

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Posts: 1,271
Joined: Jul 2012

Machine: Philips Remstar series 60
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10
Humidifier: same as machine
CPAP Pressure: 5-15
CPAP Software: SleepyHead

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Sex: Male
Location: Switzerland

Post: #2
RE: Waking up w/ empty humidifier
Dunno for Resmed machines, but if you use a full tank, there is enough water in a Philips tank for nine hours - I half fill mine, run it on four and sleep around six hours and there is still a bit of water in it when I get up - maybe play with your humidifier levels (and how can you sleep nine whole hours? I'm lucky if I can keep my head down for seven when I have a lie-in)
11-27-2013 08:02 AM
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bwexler Offline

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Joined: Mar 2012

Machine: PRS 1 BiPAP autoSV Advanced, with Heated Tube humidifier
Mask Type: Nasal mask
Mask Make & Model: Sleepweaver Élan
Humidifier: Resperonics Heated Tube humidifier
CPAP Pressure: Max pressure 25.0 cm H20, Max
CPAP Software: SleepyHead EncorePro

Other Comments: CMS 50i with Software for SpO2

Sex: Male
Location: San Marcos, CA, USA

Post: #3
RE: Waking up w/ empty humidifier
I use a Phillips and run it on 5. It is nearly dry every morning after 7 or 8 hours. There is not enough left to cover the metal plate.

I don't worry about burning the house Down, but wonder when I run out and if that is acting as a silent alarm clock waking me.
11-27-2013 11:03 AM
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DocWils Offline

Members-b

Posts: 1,271
Joined: Jul 2012

Machine: Philips Remstar series 60
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10
Humidifier: same as machine
CPAP Pressure: 5-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Switzerland

Post: #4
RE: Waking up w/ empty humidifier
No, if it runs down, the Philips won't overheat, not for a long time, although I think the tank design is dumb in a lot of ways, especially that the humidifier plate is in a sunken well, leaving a fair amount of water always sitting in the tank without a way of touching the plate to get used.
11-27-2013 11:14 AM
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bwexler Offline

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Posts: 563
Joined: Mar 2012

Machine: PRS 1 BiPAP autoSV Advanced, with Heated Tube humidifier
Mask Type: Nasal mask
Mask Make & Model: Sleepweaver Élan
Humidifier: Resperonics Heated Tube humidifier
CPAP Pressure: Max pressure 25.0 cm H20, Max
CPAP Software: SleepyHead EncorePro

Other Comments: CMS 50i with Software for SpO2

Sex: Male
Location: San Marcos, CA, USA

Post: #5
RE: Waking up w/ empty humidifier
I used a Resmed for almost 3 years and never gave much thought to how it headed the water or got the humidity out to the hose. Since Casper the Ghost moved into my Phillips ASV I have been looking at it a bit more closely. It looks like it must have been designed by a government committee.
The rubber seals concern me as possible point of failure and leaks, hence noise.
11-27-2013 11:32 AM
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xxl Offline

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Posts: 29
Joined: Sep 2013

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: H5i
CPAP Pressure: 12 - 16
CPAP Software: SleepyHead

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Sex: Male
Location: Spokane, Washington, USA

Post: #6
RE: Waking up w/ empty humidifier
I run my S9 in manual so I can set both the temp and humidity. I have the temp set at 73 f and the humidity at 4. I only use about a quarter of a tank of water in a 6.5 hour night.
11-27-2013 02:19 PM
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PaulaO2 Offline
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Machine: S9 Autoset
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Location: western NC, USA

Post: #7
RE: Waking up w/ empty humidifier
The machine goes by the relative humidity in the room. So a dry room will run the tank dry. You could try running a small humidifier on your side of the bed. You don't want it to fall where the machine is going to suck in the wet air but close enough where it senses the humidity.

Someone else has an external humidifier for their machine. Shatzi maybe?

PaulaO2
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
11-27-2013 02:31 PM
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justMongo Offline

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Machine: ResMed VPAP Auto (S9)
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Post: #8
RE: Waking up w/ empty humidifier
(11-27-2013 02:31 PM)PaulaO2 Wrote:  The machine goes by the relative humidity in the room. So a dry room will run the tank dry. You could try running a small humidifier on your side of the bed. You don't want it to fall where the machine is going to suck in the wet air but close enough where it senses the humidity.

Someone else has an external humidifier for their machine. Shatzi maybe?

Paula hits the point. Low relative humidity in the intake air will use more H2O for a given setting. If you are heating your room, you are lowering the relative humidity of the intake air. If you wish to leave the humidifier setting the same, try sleeping in a cooler room. Perhaps use an electric blanket. Or, you might humidify the room air with a room air humidifier, such as an ultrasonic humidifier.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
11-27-2013 02:41 PM
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zonk Offline

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Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #9
RE: Waking up w/ empty humidifier
(11-27-2013 02:15 AM)sir_sleeps_alot Wrote:  Aside from getting up in the middle of the night and refilling it, anyone have any ideas or suggestions on how to make it through the night (without turning things down) without running out of water?
Thanks.
ClimateLine. On auto, you set temperature to your preference and humidity level adjust automatically
http://www.resmed.com/au/assets/document...lo_eng.pdf

Leaks whether mask or mouth leaks (especially if using nasal mask) uses more water also leaving the machine on while taking bathroom break during the night. Chinstrap may help minimize mouth leaks
11-27-2013 03:17 PM
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drgrimes Offline

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Machine: S9 Resmed Autoset
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Sex: Male
Location: Texas

Post: #10
RE: Waking up w/ empty humidifier
XXL would you please tell me where/how you change the humidity to manual and gain control over temperature? I asked that question in another thread, but did not get the answer how to change it mayself.
11-27-2013 03:28 PM
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