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  1. David22

    Too low pH after RO

    RO: Reverse Osmosis TDS: Total Disolved Solids
  2. David22

    Too low pH after RO

    I live in the country where (primary)standard for pH for drinking water is 6,5 to 8,5. And there is no separate standard for "purified water". Tap water(municipal)pH is about 6,7. Standard residential RO system (sediment 5u, GAC, Carbon Block, TFC membrane, carbon postfilter) lower pH...
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