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Thread: Ugly brown ring around pool walls

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    Ugly brown ring around pool walls

    Hi all 8)

    Just opened our pool tonight to find we only have 2.5 feet of water in it and the entire pool (on the walls) has a coppery colored dark stain around the entire perimeter of the pool. I took a brush to it for a minute and it looks like it's not going to come off with a fight. Never had this problem before. Used the BBB method all last season. Any idea on how to easily get it off?

    Thank you!
    Jeannie
    Connecticut
    30' round AG / 20,000 gallons
    Cartridge filter
    BBB method user since '08 and have never looked back!

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    frustratedpoolmom's Avatar
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    May 2007
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    SWSuburban Chicago, IL
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    Re: Ugly brown ring around pool walls

    You need to determine what kind of stain it is. Rub a trichlor tablet on the stain, see if it's organic. Hold a vitamin C tablet on the stain, see if it's iron.

    Any chance you used copper-based algaecide at the closing? Copper staining of vinyl is usually permanent.

    Try a magic eraser on an inconspicous area, if it will work you won't have to scrub hard. If you have to scrub hard, don't use it, it will take off any pattern in the liner.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: Ugly brown ring around pool walls

    I didn't use any algecide when I closed the pool. I have a magic eraser. I will see if it works tomorrow. Thank you!
    Connecticut
    30' round AG / 20,000 gallons
    Cartridge filter
    BBB method user since '08 and have never looked back!

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    Join Date
    Jun 2007
    Location
    Charleston, SC
    Posts
    151

    Re: Ugly brown ring around pool walls

    I had the same thing happen, and I blame it on me not closing the pool properly, in addition to the temperature rising above 60 for an extended period of time after I did close it.

    It stained every inch of my liner brown.

    I used a magic eraser to get most of it, inch by inch, but there is still a light brown tint to the liner (it stained the **** out of it).
    18' Round ABG (8000 gallon)
    Hayward X-Stream Cartridge Filter
    1.5hp Hayward PowerFlo Matrix Pump
    80 sq. ft. solar panels
    Goldline automated solar controller

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    frustratedpoolmom's Avatar
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    May 2007
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    SWSuburban Chicago, IL
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    11,963

    Re: Ugly brown ring around pool walls

    Kinda sounds like Iron staining, vitamin c tablet would confirm. If positive, you can do the AA treatment, to get rid of it completely. Unless you can live with the light staining.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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    Re: Ugly brown ring around pool walls

    Excuse my ignorance on this, but when you say Vitamin C tablet, are you talking about the actual vitamin that you swallow? Or is this the name of a chemical I need to get from a pool store. I have a vitamin store nearby and am anxious to figure out what this is and the best way to remove it.

    Thanks!
    Jeannie
    Connecticut
    30' round AG / 20,000 gallons
    Cartridge filter
    BBB method user since '08 and have never looked back!

  7. Back To Top    #7
    frustratedpoolmom's Avatar
    Join Date
    May 2007
    Location
    SWSuburban Chicago, IL
    Posts
    11,963

    Re: Ugly brown ring around pool walls

    A tablet. Usually if the stain is iron, you just hold a vit c tablet on it, and the stain will lift, usually very quickly. If the stain is all over, like Wolfmarsh described, there is an Absorbic Acid treatment process for lifting the stains. The instructions are in Pool School.
    Helpful links: Pool School; CYA/Chlorine Chart
    24' round AG pool, 52" high, Raypak heater; Waterway 2 spd Pump;
    150 Sq ft. Clearwater Cartridge Filter; Former and DISSATISFIED "Pool Frog" owner
    http://www.PerfectlyClearPoolService.com

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