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Health & Fitness
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Old 11-29-2012, 07:27 PM   #1
wildirish317
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Is distilled water safe to drink?

I started a thread in the Genreal E46 forum today explaining how salts in tap water will eventually kill your engine if you put it in your cooling system. I made the mistake of warning people not to drink distilled water, as it will strip needed minerals from your body. The thread quickly degenerated into a debate about whether or not it's safe to drink distilled water.

In an attempt to move this debate to its proper place, here's my position:

Since distilled water has an affinity for minerals, it will quickly dissolve them into salts until the water becomes saturated. When you drink distilled water, it will dissolve the minerals in your body, which will make you sick eventually.

People quickly pointed out situations where distilled water is consumed with no ill effects. My answer to this is that, if the water is consumed with food, then the water will dissolve the minerals in the food before dissolving those of the body. If you use distilled water to make coffee or tea, then it dissolves more of the coffee or tea than tap water would, and it is safe to drink.

I drink about about 1/2 gallon of water per day between meals. My contention is that if that 1/2 of water was distilled, it would make me sick.

Anyone disagree?
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Old 11-29-2012, 08:20 PM   #2
katu
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Disagree.

http://chemistry.about.com/od/waterc...lled-Water.htm

What Is Distilled Water?
Distilled water is any water that has been purified using distillation. There are multiple types of distillation, but all of them depend on separating components of a mixture based on their different boiling points. In a nutshell, water is heated to its boiling point. Chemicals that boil off at a lower temperature are collected and discarded; substances that remain in a container after the water evaporates also are discarded. The water that is collected thus has a higher purity than the initial liquid.

Can You Drink Distilled Water?
Usually, the answer is yes. If drinking water is purified using distillation, the resulting water is cleaner and more pure than before. The water is safe to drink. The disadvantage to drinking this water is that most of the natural minerals in the water are gone. If these minerals are desirable (e.g., calcium, magnesium, iron), the distilled water might be considered inferior to mineral water or spring water.


Sounds like tap water is "better" for you because it has extra minerals. Why would you think boiling water to distill it creates water that will rob you of minerals?
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Old 11-29-2012, 08:27 PM   #3
Bimmer4Lyfe
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I like the taste of distilled water, although I rarely drink it

There are drinking water products on the market, Where the selling point is that it is distilled.
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Old 11-29-2012, 08:30 PM   #4
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Distilled water is perfectly fine, and is healthy for you. I like the taste better, but rarely drink it just because tap water is free.

Mineral water is slightly healthier because of the calcium, which most people need. Tap water is debatable since the mineral content varies wildly, as well as the added chlorine, fluorine, etc... to keep bacteria from going in it.
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Old 11-30-2012, 01:13 AM   #5
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Quote:
Originally Posted by wildirish317 View Post
Because the water that is pure has no minerals and will aggressively dissolve any it contacts. Nature abhors a vacuum, so to speak. If you put pure water in your system, it will dissolve whatever it contacts, with preferences for the easiest to chemically dissolve. These are typically magnesium and calcium and sodium.
The distilled water "dissolving anything it contacts" doesn't really matter in this case, since it gets absorbed through your small intestine, regardless of whether it's mineral or distilled water.

The only time minerals leave your body is if your intestines don't absorb them or your kidneys filter them out, and why distilled water doesn't remove any different amount of minerals than mineral water.
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