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Thread: Yet another RO unit thread

  1. #129
    kulamauiman's Avatar
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    in the old days there were different membranes for well water vs chlorinated municipal water. Is this still the case? I don't foresee the day that I will need a RO system, but never know....

  2. #130
    Av8tor1's Avatar
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    Quote Originally Posted by kulamauiman View Post
    in the old days there were different membranes for well water vs chlorinated municipal water. Is this still the case? I don't foresee the day that I will need a RO system, but never know....
    Yes, but you have to order them.... Ive not seen one in person in a long time for residental application. They are actually a little lower in efficiency IIRC (dont quote me on that )

    Nowadays, we just remove the Chlorine with the Carbon prefilters(s)..

  3. #131
    kulamauiman's Avatar
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    If anything I will probably be needing a better carbon filter system as the county is adding more chlorine /cloramines to the water all the time....

  4. #132
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    In some systems, the carbon prefilter is omitted, and cellulose triacetate membrane (CTA) is used. The CTA membrane is prone to rotting unless protected by chlorinated water, while the TFC membrane is prone to breaking down under the influence of chlorine. In CTA systems, a carbon postfilter is needed to remove chlorine from the final product, water.

    We mainly use TFC (thin film membrane) anymore

    ---------- Post added at 02:31 PM ---------- Previous post was at 02:26 PM ----------

    Mach,

    These people sell "Top Shelf" RO systems and prefilters..... over priced on their systems IMHO, but good reference source and good source for the oddball component.

    They have lots of good (and accurate) info

    http://spectrapure.com/

  5. #133
    Hello, I must be going... Not a Number's Avatar
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    I think Thez is using the Mighty-Mite.

    You can buy faucet or under the sink feed water adapters for $10-20. And basically you'll have a "portable" unit without having to pierce any of the plumbing. You can even get a quick connect faucet adapter if you don't like the hose being in the way when you're not using it. Otherwise you'd have to unscrew the adapter all the time.

    The advantage of using an "under-the-counter" model is if you get one with standard sized filters the filters are readily available. The encapsulated filters are more difficult to find locally.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  6. #134
    kulamauiman's Avatar
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    I am just using multiple household filters set up inline with the carbon filter cartridge. I probably just will need a better grade of carbon cartridges.....

  7. #135
    Av8tor1's Avatar
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    I use 2 carbon blocks in my prefilter stages.... (good quality)
    Normally, I can smell the chlorine from my faucet and I smoked for 25+ yrs LOL
    I get over 4 yrs out of a membrane under pretty heavy use

    Exo had repeated failures till he went with a name brand prefilter.... you get what you pay for most of the time.

    Excellent point Warren... much better then that non-standard stuffs IMHO

  8. #136
    Never Knows Best gill_za's Avatar
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    Quote Originally Posted by mobile View Post
    Gill,

    Do you know the TDS of your feed water?
    Yes, the TDS of my tap water is 150-140ppm.

    Quote Originally Posted by Not a Number
    I think Thez is using the Mighty-Mite.

    You can buy faucet or under the sink feed water adapters for $10-20. And basically you'll have a "portable" unit without having to pierce any of the plumbing. You can even get a quick connect faucet adapter if you don't like the hose being in the way when you're not using it. Otherwise you'd have to unscrew the adapter all the time.

    The advantage of using an "under-the-counter" model is if you get one with standard sized filters the filters are readily available. The encapsulated filters are more difficult to find locally.
    Oh, is she using a standard, under the counter unit but with faucet adapter and just feeding the brine line into the sink? Did I understand correctly?

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