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Thread: Pool was n ice and clear now all of a sudden some light brownish stain on step

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    Join Date
    Apr 2015
    Location
    Nashville
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    32

    Talking Pool was n ice and clear now all of a sudden some light brownish stain on step

    Seems like Copper is at 0.2. 22,000 gallons, Sand filter.

    TA 80
    PH 7.2
    TC 150
    TC 1
    TA 140
    CYA 20-30

    What can I do? Water is still quite clear at least for now.. I put in phos free a few days ago.

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
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    May 2010
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    Tucson, AZ
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    Re: Pool was n ice and clear now all of a sudden some light brownish stain on step

    Welcome to TFP!!!

    Forget about phosphates ... no reason to worry about them.

    Try putting a vitamin C tablet on the stain for a few minutes and see if it is lightened.

    What test kit are you using? Your chlorine level looks too low.
    Jason, TFP Moderator
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  3. Back To Top    #3

    Join Date
    Apr 2015
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    Re: Pool was n ice and clear now all of a sudden some light brownish stain on step

    Quote Originally Posted by jblizzle View Post
    Welcome to TFP!!!

    Forget about phosphates ... no reason to worry about them.

    Try putting a vitamin C tablet on the stain for a few minutes and see if it is lightened.

    What test kit are you using? Your chlorine level looks too low.
    I had put in VIt C tabs like 2 bottles.. pool became clear and bright for 2+ week.. water still sparkling but lining seems litle stain all over now. Does not look bad seriously but concerned with the 0.2 copper that is probably causing it. Seems like there is some greenish or light greyish dust when I brush the bottom or sides of the pool. Do I need to suck this out to waste?

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