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Old 06-12-2014, 06:17 PM   #3 (permalink)
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Join Date: Feb 2011
Location: ontario -
Posts: 9,312

simple -- rain water has a different composition than ground water .

gardeners collect rain barrels full of rain water . I put out stainless steel mixing bowls to catch the rain water. Dogs love it.

As the rain moves through the atmosphere it picks up nitrogen . The pH has been changed . Typically tap water is neutral , a pH of 7.
Rainwater is mildly acidic with a pH less than 7 . Easier to absorb .

Here is a meteorologist's explanation Rain Water vs Ground Water

CrossRoads: Rain Water.......

most tap water has chlorine , and most communities have fluoride --- which is not the same as fluorine .

wash your hair with rainwater and see how soft your hair can be.


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