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Thread: Cloudy Water

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    Join Date
    May 2015
    mooresville, in

    Cloudy Water

    We have done everything to our pool like we were told from jensons pool and still cloudy. We have changed the sand in the filter. Our numbers r correct and still cloud . Help!!!

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana

    Re: Cloudy Water

    Welcome to TFP from a little way down the road!

    Listening to the pool store is your first mistake. The numbers they claim are correct just won't work. If you could post some test results with your FC and CYA levels particularly, we can help.

    With a sand filter, it can take several days to clear a really dirty pool. Mine has been open since last Friday and I'm just now able to see the main drain.

    If you want to start learning, you can head for
    Pool School.

    Recommended Levels would be a good starting point.
    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
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: Cloudy Water

    When you say levels are correct, is that your testing or the pool store?

    We generally find that pool store testing is less than stellar and recommend folk have their own quality test kit. The TF100 at is the best value, but there is a list of all the recommended test kits in Pool School (link above).
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Central Minnesota

    Re: Cloudy Water

    Welcome to TFP!

    Sounds like you've been through the wringer at the pool store, much like many people before you and myself a few years back. The good thing is that you found TFP and you want to do something different, that will work.

    Getting yourself a good test kit is the first and most important step in taking control of your pool. Here are the TFP recommended test kits: Test Kit Comparison I'd highly recommend the TF-100 from as it is the best value and has all the reagents you'll need to take control of your pool.

    Contrary to what the pool store has led you to believe, your sand is almost never the real problem. By the time it gets in your filter, it's already millions of years old. 5 years in your filter is nothing for "wear" on the sand. At worst, it may need a deep cleaning.

    I'd recommend getting a test kit ordered, leaving the pool store behind (mixing their advice and ours is BAD) and get yourself acquainted with our methods in Pool School. I know you probably want a quick fix, which is what the pool store is always selling, but seldom delivering. Do yourself a favor and forget the big money quick fix and take over your own pool using TFP. Your wallet will thank you for your patience and finding TFP.

    To help you better, please add the details of your pool to your forum signature. See how here: To change your profile and/or signature, select "Settings" (top right under Pool School button). Scroll down (left side) to "My Settings" & select Edit Profile or Edit Signature.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

  5. Back To Top    #5
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Cloudy Water

    Hi, Welcome to TFP!

    We need some water test results to diagnose your current issue. My guess is that your CYA/stabilizer level is too high and that your chlorine level is too low as shown on the Chlorine CYA Chart. Chlorine level in your pool needs to be maintained in relationship to your CYA level in your pool.

    Order a TF100 test kit from

    Read these two introductory water care articles in Pool School
    TFPC for Beginners
    ABC's of Pool Water Chemistry

    Here are the Recommended Levels for your pool
    Here are the Recommended Pool Chemicals to maintain your pool
    Use PoolMath to figure out how much stuff to add.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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