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Which of the 3 methods of filtration - reverse osmosis, distillation or Berkey purification is the healthiest for drinking purposes?
- With respect to the healthfulness of the water, most health experts that are up to date on current research are no longer recommending drinking RO or distilled water on a long-term basis because these methods remove all the beneficial minerals from the water making the water an acidic "hypotonic" solution. A chemist will tell you that any time a hypotonic (de-mineralized) solution comes into contact with a "hypertonic" (mineralized) solution, the minerals within the hypertonic solution will transfer out and into the hypotonic solution until equilibrium is achieved. What this means is simply that when one drinks hypotonic water, the minerals in the blood and lymphatic system, which are hypertonic, transfer into the hypotonic RO or distilled water that is consumed and the minerals are flushed out of the body upon urination.
- In an effort to re-mineralize, the blood and lymphatic systems then begin to scavenge for minerals from other parts of the body, such as bones and other organs, and this process repeats itself every time de-mineralized hypotonic water is re-consumed. Several studies suggest that people who drink de-mineralized water “hypotonic” over a long period of time tend to be more prone to degenerative diseases such as osteoporosis.
- Berkey purification systems do not remove the beneficial minerals from the water but they do extract harmful heavy metals such as lead and mercury as well as sedimentary minerals such as iron oxide. Therefore, the TDS reading will not typically change much unless there are a lot of heavy metals or sedimentary minerals in the source water.