Point of Use Reverse Osmosis

Discussion in 'Water Softener Forum, Questions and Answers' started by Jsmallberries, Jun 30, 2020 at 6:33 AM.

  1. Jsmallberries

    Jsmallberries Member

    Joined:
    Nov 2, 2015
    Location:
    Zephyrhills, Florida
    Now that I'm operational with the softener, I want to add a reverse osmosis under the kitchen sink to improve the drinking water quality for my family.

    Any recommendations? and will it help remove the added sodium ions from the water while removing impurities?

    Since it is municipal water would it be helpful?

    From the published water quality reports, there all kinds of dangerous chemicals and compounds allowed.
     
  2. Bannerman

    Bannerman Well-Known Member

    Joined:
    Mar 19, 2014
    Location:
    Ontario, Canada
    Our largest concern with our well sourced municipal water is Arsenic. In addition, our town is surrounded by highly sprayed agriculture crops and when we installed our point-of-use RO unit, there was a CCA wood treatment plant within town, close to one of the municipal wells. That treatment plant now produces treated lumber with chemicals that are supposedly safer, but time may prove otherwise.

    We do not typically consume non RO water. We usually will take a supply of water with us when away from home. On the odd occasion we purchase bottled water, we always attempt to obtain RO if possible.

    The RO membrane will remove sodium and most other elements including minerals and metals. Chemicals such as chlorine or chloramine will be removed by the carbon block filter(s) located prior to the membrane.

    There are plenty of low cost units produced offshore, often made with low quality components. Recommend to obtain brands that utilize North America produced components such as Pentek, Omnipure, John Guest, Aquatec etc.

    While most systems will utilize inexpensive and commonly available 2.5"X 10" filter cartridges, for ease of filter and membrane replacement, you may wish to consider a system equipped with quick change components such as Omnipure Q series filters. Use of a Pentair GRO membrane will reduce the amount of waste water compared to conventional RO membranes, and as the GRO is supplied in a sealed enclosure, the entire enclosure will be simply and quickly replaced as needed (typically 3-5 years).
     
    Last edited: Jun 30, 2020 at 8:06 AM
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  4. Jsmallberries

    Jsmallberries Member

    Joined:
    Nov 2, 2015
    Location:
    Zephyrhills, Florida
    Good to know, thanks.
     
  5. ditttohead

    ditttohead Water systems designer, R&D

    Joined:
    Jan 9, 2012
    Occupation:
    Water systems designer, R&D, Technical Director
    Location:
    Ontario California
    PM sent, the vast majority of RO's are off shored to the lowest bidder. A good RO will cost double a pile of garbage. The big names tend to sell theirs for about 10X the cost of a good one without a major name brand behind it. Avoid the online guys as they are typically looking for a new lower priced components or company to make theirs. Especially with the recent tariffs, the price has gone up, so these companies just switched to even lower end components...
     
  6. Jsmallberries

    Jsmallberries Member

    Joined:
    Nov 2, 2015
    Location:
    Zephyrhills, Florida
    Meant "Point of Use" updated heading.

    So recommendations for an under the sink, point of use RO
     
    Last edited: Jul 1, 2020 at 2:17 AM
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