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Thread: Good Chlorine Level, Green Water!

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    Join Date
    Jul 2012
    Location
    West Point Utah
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    Good Chlorine Level, Green Water!

    Ok so here's what's been going on. Last week noticed the water turning green. Uh oh. Starting shocking and have kept it at shock levels for 4 days, running the pump 24/7. The water is still green
    Levels are
    FC 18
    CC .5
    pH 7.2
    CH 120
    CYA 40

    Tested last night at 18 FC and this morning was still 18.

    What else can I do? Please help!!
    21 foot 52 inch (10,400 gallons) Round Sharkline Venture AGP, Hayward 18 in sand filter, Hayward Power Flo Matrix 2 speed pump, BBB method

  2. Back To Top    #2
    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Good Chlorine Level, Green Water!

    Has the color changed since you started shocking?

    Is the water clear transparent green, or cloudy murky green?

    Have you done an overnight FC loss test?
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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  3. Back To Top    #3

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    Jul 2012
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    West Point Utah
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    Re: Good Chlorine Level, Green Water!

    Quote Originally Posted by JasonLion
    Has the color changed since you started shocking?

    Is the water clear transparent green, or cloudy murky green?

    Have you done an overnight FC loss test?
    The color seems to be getting to a lighter green.
    I think the color would be transparent green. I can see the bottom of the pool and it has debris on it, I have vacuumed twice and I brush the sides and floor everyday but by morning its all there again.
    I checked the chlorine levels last night and it was 18 and it had stayed at 18 when I checked this morning. Is that the FC loss test?
    21 foot 52 inch (10,400 gallons) Round Sharkline Venture AGP, Hayward 18 in sand filter, Hayward Power Flo Matrix 2 speed pump, BBB method

  4. Back To Top    #4

    Join Date
    Jul 2012
    Location
    West Point Utah
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    Re: Good Chlorine Level, Green Water!

    Tested the chlorine again this morning..
    FC 16
    CC.5
    Last night FC was 18 and CC .5
    It does look a little clearer this morning but I don't know if that's wishful thinking
    21 foot 52 inch (10,400 gallons) Round Sharkline Venture AGP, Hayward 18 in sand filter, Hayward Power Flo Matrix 2 speed pump, BBB method

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    Mod Squad zea3's Avatar
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    Re: Good Chlorine Level, Green Water!

    Have you used any algaecides or mineral based products in the pool?
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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  6. Back To Top    #6

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    Jul 2012
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    West Point Utah
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    Re: Good Chlorine Level, Green Water!

    Quote Originally Posted by zea3
    Have you used any algaecides or mineral based products in the pool?
    Nope. I haven't added anything but bleach.
    21 foot 52 inch (10,400 gallons) Round Sharkline Venture AGP, Hayward 18 in sand filter, Hayward Power Flo Matrix 2 speed pump, BBB method

  7. Back To Top    #7

    Join Date
    Jul 2012
    Location
    West Point Utah
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    7

    Re: Good Chlorine Level, Green Water!

    Good news! Water is much clearer this afternoon. I think it just needed more time. Thanks for the help!
    21 foot 52 inch (10,400 gallons) Round Sharkline Venture AGP, Hayward 18 in sand filter, Hayward Power Flo Matrix 2 speed pump, BBB method

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