In a nutshell, the purest water that you can get is what you should drink on a regular basis. Probably the purest waters available today are those purified by distillation or reverse osmosis. However, distillation remains the single best way to purify water as completely as possible. Some waters that have been distilled multiple times are also available. These are the best waters for drinking. If they have also been given an ozone or ultraviolet treatment, all the better. Any
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water, however well purified, can later become contaminated with microorganisms before being consumed.
Note that all bottled waters are not the same. Fortunately, the ones that are distilled or purified by reverse osmosis also tend to be the least expensive. I do not recommend bottled "mountain spring waters." These may have a good taste, but they still risk having some of the mineral and heavy metal contaminants mentioned earlier. There are few, if any, places left on the planet where the water is still so pure that it can just be bottled and sold without concern to the consumer.
Home distillers and reverse osmosis purification units can be purchased if you prefer this convenience to regularly hauling bottled water from the supermarket. Whether this makes sense for you depends upon your budget, and on the amount of water that you drink. If you opt for reverse osmosis water purification, be certain to assure yourself that the toxins and contaminants of concern to you are adequately removed by the model you are considering for purchase.
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