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Thread: Ring around the Main Drain

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    Join Date
    Apr 2007
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    Ring around the Main Drain

    Since the pool was opened this season there has been a ring/ stain around the main drain. I have scrubed it with a brush from outside the pool and vaccuumed and the stain is still there. There was a lot of dead worms around the main drain when I opened the pool this year so I assume that it is from them laying around the drain all winter.

    What can I try to use to get rid of the stain?
    Inground Grecian 20,000 gallons vinyl liner
    Hayward 250 BTU Propane heater
    Hayward DE Filter
    1 HP Northstar Pump
    Spill Over Spa

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
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    What kind of pool surface do you have? Organic stains normally fade away with chlorine. Shocking will often fade them dramatically.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  3. Back To Top    #3

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    Bucks Count PA
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    Sorry it is a vinyl liner.
    Inground Grecian 20,000 gallons vinyl liner
    Hayward 250 BTU Propane heater
    Hayward DE Filter
    1 HP Northstar Pump
    Spill Over Spa

  4. Back To Top    #4
    mbar's Avatar
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    Apr 2007
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    Ashland PA
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    You can try a magic eraser by Mr. Clean, sometimes it is just needs a little scrub You can also put some crushed vitamin C tablets in a sock and rub it on the stain, if it comes off, then it is a mineral stain. You can also use some ph down in a sock and rub the stain. Ph down and vitamin C will take off a metal stain. Organic stains come off with chlorine.
    16x33 fiberglass pool sand filter

  5. Back To Top    #5

    Join Date
    Apr 2007
    Location
    Bucks Count PA
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    I tried the Mr Clean eraser this weekend and it did nothing. The stain has gotten a little bit lighter. I am going to try the Vitamin c and see what happens.
    Inground Grecian 20,000 gallons vinyl liner
    Hayward 250 BTU Propane heater
    Hayward DE Filter
    1 HP Northstar Pump
    Spill Over Spa

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