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Thread: More Trouble with Metal Stains

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    More Trouble with Metal Stains

    Guys, I've been through 3 Ascorbic Acid Treatments with my pool and am still seeing stains come back. I have a vinyl liner pool that holds about 13,000 gallons. I've tried water replacement and a CuLator filter in the skimmer. I've also cleaned off my cartridges in my filter to remove some of the metals. Each time it comes back seemingly identical to the way it was before. There are even spots on my liner that get darker stains than others, and those spots come back looking the same each time. Any help would be appreciated. I don't know what else to do at this point. Could it be some of the metal fittings in my system are the source of the metals? I'm using municipal water and the problem appears to be iron.

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    Mod Squad pooldv's Avatar
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    Re: More Trouble with Metal Stains

    I am not a metals expert but isn't culater for copper? People use polyfil to filter iron out of the water and there are different products for iron vs copper.

    More on metals here, Pool School - Metals in the Water and Metal Stains
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    Re: More Trouble with Metal Stains

    Bump for response. Any help would be appreciated.

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    Texas Splash's Avatar
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    Re: More Trouble with Metal Stains

    It might help us diagnose better if you could add all old your pool info. Please add your pool info to your signature by going to the top of the TFP web page (just under the Pool School button) and select "SETTINGS". On the next page look to the left for a menu bar that says, “MY SETTINGS” and go to "EDIT SIGNATURE" to enter your pool and equipment info there. It will help us later.

    Also, can you post a full set of test results with your TF-100 or Taylor K-2006? That should help rule-out some issues as well.
    FC
    CC
    CYA
    TA
    pH
    CH

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    duraleigh's Avatar
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    Re: More Trouble with Metal Stains

    In addition to the test results Texas Splash is asking for, you need to test for iron. You have done aa three times so it apparently works but the metal comes back. How much metal is in the water is important to know. If it's a little bit, it can be controlled with pool water management. If it's a humongous amount, you might be able to control it with a water softener. Let us know your results.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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