Distilled water vs boiled water

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Distilled water vs boiled water

Postby sports_fan72 » Wed Aug 25, 2010 7:29 pm

Does it make a difference if im using boiled then cooled water vs distilled water?
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Postby KoalaMan » Wed Aug 25, 2010 7:33 pm

If by boiled and then cooled water you mean that you take the water, heat it to a boil, and then let it cool off, then yes there should be a difference. Just boiling water will kill bacteria in the water, which is good, but it will not filter out impurities like minerals and metals which could have a bad affect on the CPAP machine. With distilled water the minerals and metals are removed by boiling the water into steam and then allowing the steam to recondense as liquid. At least, that is what I've been told.
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Postby sleland » Wed Aug 25, 2010 8:02 pm

The minerals in the water do not affect the machine itself - it never enters the machine. The minerals will just collect in the humifier and make it look awful. I do not think it will affect anything else. Distilled water just lets you avoid trying to scrub off the mineral gunk in your humidifier. Does anyone know if using tap water actually affects anything except makes the humidifier tank cruddy?
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Postby mike g » Wed Aug 25, 2010 8:06 pm

i dont think the minerals are good for your lungs either the distillation process removes the minerals and that is not done by boiling
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Postby weliz » Wed Aug 25, 2010 8:08 pm

My DME told me today that if I couldn't find distilled water, I could filter water and boil it. I guess the filter would remove most of the minerals and chlorine and other icks (I don't think any home filter does 100%), and boiling would take care of the microbial concerns. However I know that's not the same as the distillation process, which makes the water truly pure, but it might work as a stop-gap.
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Postby sleland » Wed Aug 25, 2010 8:14 pm

@mike
I don't think the minerals are going to get into your lungs - the minerals are what's left on the sides of your humidifier. Am I incorrect?
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Postby Bearded One » Thu Aug 26, 2010 5:28 pm

Potable tap water or plain bottled drinking water is fine, although there are two possible problems.

1. The minerals will build up in your humidifier. These mineral deposits can usually be removed with vinegar. Too much mineral deposit can cause the heater to not work well. Domestic water filters do not remove the minerals from water.

2. Chlorine or chloramine in the water can be irritating. Chlorine can be removed with a water filter or boiling and cooling. Chloramine (a chlorine and ammonia compound) is stable and difficult to remove from water (this is why it is used instead of plain chlorine).

The biggest thing to be sure to do, whether you use tap, bottled, or distilled water; is to dump your humidifier water every morning. Bacteria can build up in humidifiers if the water is not not dumped frequently.

When I say bottled water, I mean, plain bottled drinking water with nothing added to it other than ozone -- no flavors, no added minerals, no carbonation.
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Postby msla » Thu Aug 26, 2010 7:07 pm

If you read the label on the "distilled" water you will find either steam distilled, using a still to condense the pure water from steam, or a product produced by reverse osmosis (RO). RO uses a filter to remove sediment, ultraviolet light (UV) to kill viruses and bacteria, and a RO filter using pressure to force water through a fine filter that does not let the minerals pass through the filter (think the size of atoms). Nearly 100% of the minerals are removed. Many grocery stores have a RO water station that creates bulk demineralizes and purified water. I have been using this successfully for 7 years. I fill a refrigerator water bottle, it has a spigot, and keep it near the bedroom. It is a simple matter to pull on the tap and fill the humidifier chamber directly with no mess. It costs me $0.43 per gallon. I have not had to clean mineral deposits from my humidifier. =D>

Also, I do not have to recycle a bunch of empty jugs. 8-)

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Postby NoseHose » Thu Sep 09, 2010 10:22 am

I've made the switch from distilled water to tap water in my machine. The water coming out my house faucets comes from deep under my back yard, so additives aren't an issue. My water is fairly hard and after a month of use, the tank does show signs of scale build up and can be clearly seen and felt on the metal disk in the tank. To get rid of the scale, I use CLR full strength, letting it soak for 30 minutes followed by a thorough rinse. The tank looks brand new again.

To "msla": Dasani bottled water uses RO technology. They don't even list a source as it probably comes from several city water supplies. Afterwards, they add minerals to it to give it a little taste.
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Postby msla » Thu Sep 09, 2010 11:59 am

Yes, but the bulk water filter at the grocery store does not add any minerals back in. The water is virtually the same as steam distilled. We used RO to pretreat the steam distilled water in the research lab eliminate the need to descale the water still. For research we still wanted the distilled water to remove the last traces of mineral.
Last edited by msla on Fri Oct 08, 2010 1:14 pm, edited 1 time in total.
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could bacteria in the water cause neumonia?

Postby windy » Fri Oct 08, 2010 12:00 pm

msla wrote:Yes, but the bulk water filter at the grocery store does not add any minerals back in. The water is virtually the same as steam distilled. We used RO to pretreat the steam distilled water in the research lab eliminatine the need to descale the water still. For research we still wanted the distilled water to remove the last traces of mineral.


Could a dirty water resevoir cause respriatory neumonia? :?:
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Postby msla » Fri Oct 08, 2010 1:09 pm

If it is just the water vapor probabbly not. If any bactera or viruses become aerosolized from the reservoir and get into your body then the short answer is that an infection is possible.

This is from a post I made on another board. I suggested to the group that studies biofilms at Montana State University that they might want to look at CPAP machines as a good source for a study. It will be interesting to see if they look into it. Here is a slide show http://www.biofilm.montana.edu/content/ ... d-biofilms I hope it does not gross out too many of you.

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Last edited by msla on Fri Oct 08, 2010 3:04 pm, edited 1 time in total.
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Postby K5MOW » Fri Oct 08, 2010 1:34 pm

You could filter the water in a Reverse osmosis then boil the water. This methid will not be as good as distilled water but all most as good.

Roger


weliz wrote:My DME told me today that if I couldn't find distilled water, I could filter water and boil it. I guess the filter would remove most of the minerals and chlorine and other icks (I don't think any home filter does 100%), and boiling would take care of the microbial concerns. However I know that's not the same as the distillation process, which makes the water truly pure, but it might work as a stop-gap.
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