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Thread: Water softener resin is green

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    DIY Junior Member earlrabbit's Avatar
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    Default Water softener resin is green

    I've been having problems with my 14 year old Northstar softener. I suspected that the resin might be bad as I've never run anything like "Iron Out" through it. After opening it up I see that most of the resin has an amber color but some has turned green. I don't see anything that looks like iron contamination. Is the resin bad? I've been inside the valve many times so I'm very familiar with it but is it time to bite the bullet and buy a new one?

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    In the Trades Tom Sawyer's Avatar
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    Take a few beads and crush them between your thumb and forefinger. If they crush they are bad. Try it with both the amber and green beads. I suspect that either the resin is failing, the resin is channeled or the bed is not being properly back washed
    [B]No, plumbing ain't rocket science. Unlike rocket science, plumbing requires a license[B]

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    Water systems designer, R&D ditttohead's Avatar
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    Can you post a picture? Green might be an indicator of copper fouling. Considering the age and make, it might be a good time to start looking for a replacement system.

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    DIY Junior Member earlrabbit's Avatar
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    I was able to crush them between my fingers so it sounds like the resin is toast - right?

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    That's all folks! Gary Slusser's Avatar
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    Amber is a color of a resin. Green is usually from copper, so on site copper and pH tests would be in order.

    What is your raw test showing for pH, iron, total hardness etc.? Are you on your own well or 'city' water?
    Gary Slusser Retired (= out of business)
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    In the Trades Tom Sawyer's Avatar
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    Quote Originally Posted by earlrabbit View Post
    I was able to crush them between my fingers so it sounds like the resin is toast - right?
    Yep it's toast and considering the age of the equipment I highly recommend scrapping it and starting new.
    [B]No, plumbing ain't rocket science. Unlike rocket science, plumbing requires a license[B]

  7. #7
    DIY Junior Member earlrabbit's Avatar
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    Not sure on pH, but hardness is 13.85 grains/gal and iron is .03 mill/ltr. It's city water but they source part of their needs from wells.

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