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Thread: Second year Intex pool, algae and low chlorine level

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    Join Date
    Aug 2013
    Location
    Murphy, Texas (Plano)
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    Second year Intex pool, algae and low chlorine level

    We installed an AGP July 2012. The first few months were great until algae set in and we could never get ahead of it. I tried the local pool store and they guided me on how to fix and we still ended up with algae and low chlorine level. We closed the pool early last year . This year was going to be different, but in the end we are now in Aug in Dallas, TX and I would like to take control of my pool. I did a bunch of Internet searching and ended up finding TFP. I read pool school 4 times and I am a convert. Just received my TF-100 kit yesterday, woohoo, I am on my way to a crystal clear pool.

    Now for the questions:
    My test results yesterday evening... Algae visible in bottom of pool and the little bugs that swim backwards act like they own the pool.
    CL 2. pH 8.0
    FC 2
    CC 0.5
    TC 2.5
    TA 140
    CYA 20

    I want my pool sparkly and clear, please help provide target numbers for me to start making changes. I have been using bleach and muriatic acid. I also borax at the ready. Where do I start?

    Thank you in advance for guidance.
    ____________
    18'x48" 6423 gallon Intex pool, above ground, Type A filter cartridge, 1500 gph pump, TF-100 test kit, BBB method, installed July 2012

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    Mod Squad zea3's Avatar
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    Jul 2009
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    Houston, Texas
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    Re: Second year Intex pool, algae and low chlorine level

    Hi, welcome to TFP! Go to the pool calculator and plug in your current test results. It will tell you what your target levels are for everyday use and for shock level.
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    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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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Second year Intex pool, algae and low chlorine level

    I am on my way to a crystal clear pool.
    a VERY common mistake that newbies make is to simply bring the chemistry up to the levels suggested and then scratch their heads as their pool remains unchanged.

    You will need to SLAM the pool to get your pool clear.

    Read "The ABC's of Pool Water Chemistry" up in Pool School

    Then, read "SLAM - Shock Level And Maintain" in the How To section of Pool School.

    Follow that process precisely to get your pool cleared up.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  4. Back To Top    #4

    Join Date
    Aug 2013
    Location
    Murphy, Texas (Plano)
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    4

    Re: Second year Intex pool, algae and low chlorine level

    Thank you for the direction. I will start the SLAM process this AM.

    Quick question:
    I tried to lower my pH a few times before by adding muriatic acid. I used the pool calculator and the pH level never dropped. That was the only chemical I added. Any ideas on why it would not lower?
    ____________
    18'x48" 6423 gallon Intex pool, above ground, Type A filter cartridge, 1500 gph pump, TF-100 test kit, BBB method, installed July 2012

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    Charlie_R's Avatar
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    May 2013
    Location
    Mexico, MO
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    Re: Second year Intex pool, algae and low chlorine level

    It may be higher than 8.0, keep adding a bit of MA and test every hour or so, until you notice it starting to change. Then use http://poolcalculator.com to adjust to the level you and your pool are comfortable with.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    Join Date
    Aug 2013
    Location
    Murphy, Texas (Plano)
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    Re: Second year Intex pool, algae and low chlorine level

    Thank you Charlie. I will post my progress.
    ____________
    18'x48" 6423 gallon Intex pool, above ground, Type A filter cartridge, 1500 gph pump, TF-100 test kit, BBB method, installed July 2012

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    Join Date
    Aug 2013
    Location
    Murphy, Texas (Plano)
    Posts
    4

    Re: Second year Intex pool, algae and low chlorine level

    I put in 22oz of MA and we are now down to pH of 7.2. SLAM here we go.
    ____________
    18'x48" 6423 gallon Intex pool, above ground, Type A filter cartridge, 1500 gph pump, TF-100 test kit, BBB method, installed July 2012

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