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Thread: What happens when you brush your pool?

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    wjaneala's Avatar
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    What happens when you brush your pool?

    Brushed today and with every pass, little brown clouds appeared. Pool was SLAMmed several days back and has not dipped below recommended FC. Please tell me this is normal when brushing? Water looks great.

    FC: 6
    CC: .5
    pH: 7.8
    TA: 110
    CYA: 40
    CH: 200
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Texas Splash's Avatar
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    Re: What happens when you brush your pool?

    Wendy, a few questions first please to help evaluate your situation:
    1 - You're positive it's a brown-looking cloud huh? No chance it's green?
    2 - Was your pool filled with city or well water?
    3 - Has this happened before, or is this the first time?
    4 - Do you know when was the last time the sand filter was thoroughly cleaned?

    Thanks in advance for the clarification.
    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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    wjaneala's Avatar
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    Re: What happens when you brush your pool?

    1. Yep, it's brown.
    2. City
    3. Happened before.
    4. New sand.

    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Texas Splash's Avatar
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    Re: What happens when you brush your pool?

    Thanks for the quick reply. You seem to have ruled-out some of the typical areas of concern (iron, sand, etc). But I just thought of this seemingly ridiculous question: Any chance that it's simply just dirt? May sound silly, but when I have a busy bather's load in the pool, I find it amazing how much dust/dirt gets brought into the pool from our feet, body, and even the weather. If I let my pool go 2-3 days without sweeping, I definitely have a light-brown "dusting" on the floor. Any chance this may be what you are experiencing?

    Speaking of dirt, any chance that after the last sand replacement, something wasn't replaced properly allowing a small amount of sand to enter the pool from the return jets?

    The only other thing I can think of would be algae-related. To confirm you would be best served to do an OCLT to confirm. Your thoughts?
    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
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    wjaneala's Avatar
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    Re: What happens when you brush your pool?

    I'm thinking you're right-on with the dirt idea. Lots of swimmers, plus lots of leaves and flowers have blown into the pool in the last few days due to wind and storms/rain.

    Sand was replaced in April, so I don't think that's it.

    I'll do an OCLT just to be sure.

    Thank you!
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

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    Re: What happens when you brush your pool?

    I get "dirt" from my DOGS! it even sits on the skimmer openings - uggh! Darn that sandy soil and dogs that like to swim!


    Lisa P.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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    Richard320's Avatar
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    Re: What happens when you brush your pool?

    Now you see WHY you brush. It's like dusting the furniture. You'd think the dust would all fall to the floor, but, no, it sticks to vertical surfaces. If I go too long and use the wall whale brush, it leaves a dust cloud in its wake like a truck on a dirt road.
    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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