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Thread: Clear water with green tint

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    Clear water with green tint

    i changed my vinyl liner in my in ground pool and refilled with brown city water. i added recommended chemicals and brought the salt levels back to 3100. all my readings are in range. the pool has a green tint otherwise clear. no problem seeing the bottom. i have shocked it 2 times with 6 lbs each time . have also added algicide. please help!
    monroe,la
    size 22000
    saltwater
    hayward sand filter 300
    aquarite 40000 gen

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    Re: clear water with green tint

    Most likely iron. Add 1 bottle of sequestrant and add some de substitute fiber to the sand filter. Don't shock. Let the chlorine level come down. Run the filter continuously and backwash as needed. Add more fiber after backwashing. Keep the swg off for one week. If you need chlorine, put 2 to 3 trichlor tabs in the skimmer and run the filter continuously until the tabs are used up.

    Tabs in the skimmer will oxidize metals before the filter, which will make it more likely that the metal will get caught in the filter.

    What algaecide did you use? What were the ingredients?

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    Texas Splash's Avatar
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    Re: clear water with green tint

    You might also want to review this page if you haven't already: Pool School - Metals in the Water and Metal Stains.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    Richard320's Avatar
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    Jan 2010
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    San Dimas, CA (LA County)
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    Re: Clear water with green tint

    A greenish tint should dissipate with time. A brilliant emerald green will take a little longer and require extra work. You might try paper towels in the skimmer basket. Check out these old threads, especially the pictures


    A Tale of Two Filters... and Ugly, Rusty Water.
    Results of first TF-100 test ran on fill water - Page 2
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Re: Clear water with green tint

    Thanks for your response. The water is slowly clearing. It has been over a week as when I refilled. I did start with adding DE to a gallon of water and pouring it to the skimmer and adding every time I backwash. I did not know that it would take this long to clear. There is no staining in the pool just pretty light very light green water.
    monroe,la
    size 22000
    saltwater
    hayward sand filter 300
    aquarite 40000 gen

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