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Thread: R/O Unit Problems

  1. #25
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    Well, if some water was getting through, but not enough- i would think that'd cause more of a low production than a build up.. maybe a build up over time with not enough water running by to rinse the membrane.


    Anyway, if you look at this old post of mine, you'll see pictures. The first pictures show my old membranes.. But the last one, you can see the new filters still in the plastic. That comes off before installation ;-) So hopefully seeing some filters will confirm for you what they're supposed to look like.

    http://www.terraforums.com/forums/sh...2&postcount=13


    If you know where the flow restrictor is, i'd remove it and let it flush for 3-5 mins once you get the plastic off to make sure everything gets flushed(mainly that membrane!)

    Let us know how it works after

    Oh, and i'd dump the first 2 tanks again!
    -Andrew
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  2. #26
    ChronoKiento's Avatar
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    I've already done what you've recommended.. except I flushed for 15 minutes.. it was strange how it flushed this time.. It seemed that the water was propelled through the waste line with MUCH more pressure.. and it came in bursts. The TDS I am getting is still around 120 at this time.
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  3. #27
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    the pressure is good!!!! the busts is the air flushing from the system (also good ;-) )
    -Andrew
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  4. #28
    ChronoKiento's Avatar
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    Yay!

    I accidentally left it flushing for like... 45 minutes. Oops.. but at least now most of the air has been ejected from the system. I did empty out the filter canisters when I took off the plastic.

    There's still bad news though.. the TDS is still 120. :/

    Edit: Just drained the tank and checked again, the TDS is down to 51.
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  5. #29
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    woohoo! I suspect it will take some time to come down. But half since the last check is pretty good


    And stop draining the tank! Let it fill all the way up (and shut off), then completely drain it... the full, then drain... no more "checks" between grrrrrrrr ( hehe )
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  6. #30
    Av8tor1's Avatar
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    omg, elements still in their plastic wrap sheesh

    Chrono, you will have to readjust the flow restrictor once everything is flowing right, go for 3:1 to 4:1

    good deal you two... nice

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  7. #31
    ChronoKiento's Avatar
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    How do I readjust the flow restricter?

    Edit: The TDS is down to 41.
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  8. #32
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    As I know them flow restricter are set... only allowing so much water to flow. Although, if you have one that has a shut off style valve, then you need to dissconnect the production line, and the brine line and adjust that valve to waste 3-4 times as much water as it produces. (so you make 1 cup of water per 3-4 cups down the drain) If it is just something you install in the line and it looks like a flow through design, then it is set and there is no adjusting.

    ....you filled the tank already? yah, I didn't think so!!!! lol



    edit: instructions say:

    Putting pressure on the membrane:

    THE FLOW RESTRICTOR acts to put back pressure on the membrane...there is no "closed" position and it nevers stops the flow of discharge water. It is either restricting the flow or open.
    So just turn it to the restricting setting and that's it.
    -Andrew
    Owner of TerraForums, FlyTrapShop.com, and cpforums.org.
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