TDS reading 3 why???

Discussion in 'New to Reefing' started by tp1011, Jun 26, 2015.

  1. tp1011

    tp1011

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    I have a 5 stage BRS ro di system 75 GPD. I piggy backed two 90 GPD membrane from Spectrum and my TDS is reading 3 form product water.

    All other filter cartridges are only a month old along with my DI filter.

    Why is my TDS not reading 0

    It reed 0 before i added the two RO membranes

    heed help please
     
    tp1011, Jun 26, 2015
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  2. tp1011

    mariobrothersleeve squirrel

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    Is your tds meter recently calibrated?
     
    mariobrothersleeve, Jun 26, 2015
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  3. tp1011

    tp1011

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    how do you calibrate it???
     
    tp1011, Jun 27, 2015
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  4. tp1011

    mariobrothersleeve squirrel

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    Calibration fluid.
     
    mariobrothersleeve, Jun 29, 2015
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  5. tp1011

    tp1011

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    it is a inline tds meter i have looked on line but looks like everything i found are hand held meters do you still calibrate a inline tds meter.
     
    tp1011, Jul 3, 2015
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