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Mirage Quatro Cushion cleaning
#1
Surprised 
Mirage Quatro Cushion cleaning
Hi All, 

So happy to have found this useful forum!

So for the first time ever I decided to start hand cleaning my mask, cushion, etc. I had been using an ozone machine which I recently heard is not good. 

I disassembled the mask unit and let it soak in warm, soapy (dish soap) water for about 40 minutes or so. I rinsed thoroughly and dried. It looked super clean. I put it down and returned to it an hour later and the clear parts of the face cushion had turned chalky white!  Horrors!

What does this mean and do I need to replace it?

I would love to hear from someone who is familiar with this issue. 

Thanks!
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#2
RE: Mirage Quatro Cushion cleaning
Hi Redorchid2404!  -  Welcome
What did you use to wash it, ammonia?   A mild liquid soap, like Dawn, Shampoo, or liquid hand soap, is all that is needed. Your description reminds me of my friend's wife calling from her work, desperately asking how to remove the white frost from an LCD monitor screen after cleaning it with ammonia.

- Red
Crimson Nape
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#3
RE: Mirage Quatro Cushion cleaning
What did you use to wash it, ammonia?”

I actually used mild dish washing liquid. I’m just sick about this. 
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#4
RE: Mirage Quatro Cushion cleaning
Certain plastics will turn white when exposed to ammonia.  Based off of your initial description, this was the first thing that came to mind. Another thought, was it in direct sunlight? The color change shouldn't affect its operational capability, though.
Crimson Nape
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Useful Links -or- When All Else Fails:
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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.
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#5
RE: Mirage Quatro Cushion cleaning
"Certain plastics will turn white when exposed to ammonia."
When you said "plastics", it made me double-check what I initially wrote.   Oh-jeez

I should clarify.  It's the silicon cushion that turned pasty, not the mask itself.  Clear descriptions matter!

Thanks
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#6
RE: Mirage Quatro Cushion cleaning
I turned a Resmed silicon cushion white by cleaning it in a baby's bottle steriliser. It didn't seem to harm it in any way, though I replaced it a couple of months later just because it looked gross.

I now just hand wash my cushions in warm soapy (dishwashing liquid) water and rinse before air-drying. I find the cushions late a year or more, though I have noticed other Resmed mask cushions are made from a different type of silicon - firmer and less pliable. I have no idea what works with them.
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#7
RE: Mirage Quatro Cushion cleaning
Hmmm. I wonder if the water was just too hot…?
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#8
RE: Mirage Quatro Cushion cleaning
I don't know about silicone, but many of the plastics used in mask manufacture are made with a low-temp recipe. This is usually in the areas, or the parts, where they attach to the silicone. The best rule-of-thumb is, if you can't comfortably put your hands in the water, then it's too hot.

A while back I tried to dry a P10 nasal pillow in the microwave. It's all plastic and silicone, right? I got a blob of something for my effort. I quickly learned that a microwave destroys P10 pillows as fast as they can destroy a CD or DVD.
- Red
Crimson Nape
Apnea Board Moderator
www.ApneaBoard.com
___________________________________
Useful Links -or- When All Else Fails:
The Guide to Understanding OSCAR
OSCAR Chart Organization
Attaching Images and Files on Apnea Board
Apnea Helpful Tips

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.
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