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Thread: TA off chart during Slamming

  1. Back To Top    #1

    Join Date
    Jun 2016
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    TA off chart during Slamming

    Hi Gents,
    second day of SLAM and TA this morning was literally unreadable.
    FC 18
    CC 1
    CYA 50
    CH 50
    TA 1300 and I stopped counting the drops.
    I didn't check the PH cause I'm sure it will be unreadable too
    I'm using Clorax 8.25 % for slamming.
    What should I do next? Refill or using dry /muriatic acid?
    17000 gallons,16x32, IG, Hayward sand filter, Hayward 1.5 HP pump, using K-2006 test kit, Pool Math

  2. Back To Top    #2
    BoDarville's Avatar
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    Re: TA off chart during Slamming

    Welcome to TFP!

    I would focus on completing the SLAM before worrying about pH or TA. After the SLAM and when FC drops below 10 ppm, then you can retest and adjust these parameters.

    I didn't check the PH cause I'm sure it will be unreadable too
    You are correct! Wait until after the SLAM to retest pH and TA, then post the results here.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
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  3. Back To Top    #3
    Divin Dave's Avatar
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    Re: TA off chart during Slamming

    Hi Enzo,
    the high FC can really mess up the tesing. If you're slamming, don't worry about testing anything other than FC and CC. Just take care of the slam.

    Once the slam is over, and the FC drops down to more normal range, test and adjust then.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge.
    www.tftestkits.net Experience- it's what's learned just after you needed it most !!

  4. Back To Top    #4

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    Re: TA off chart during Slamming

    Thanks for all the reply. ....I will finish the SLAM and report the results.

  5. Back To Top    #5

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    Jun 2016
    Location
    New York NY
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    Re: TA off chart during Slamming

    This the results of this evening test:
    FC 9
    CC 0.25
    CYA 40
    PH 7.2
    TA 100

    20160618_103624.jpg

    The water seems in good shapes ..let's see what the numbers say in the morning.
    17000 gallons,16x32, IG, Hayward sand filter, Hayward 1.5 HP pump, using K-2006 test kit, Pool Math

  6. Back To Top    #6

    Join Date
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    Re: TA off chart during Slamming

    8:00 AM test
    FC 15
    CC 0
    TA 80
    CYA 35
    PH 7.2
    CH 50

    Being this my first year with this kind of approach , I want to make sure that the SLAM is done and as soon the FC gets within the recommended level I'm good to go.

    20160619_083807.jpg20160619_083735.jpg20160619_083657.jpg
    17000 gallons,16x32, IG, Hayward sand filter, Hayward 1.5 HP pump, using K-2006 test kit, Pool Math

  7. Back To Top    #7
    Mod Squad pooldv's Avatar
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    Re: TA off chart during Slamming

    There are 3 criteria to pass the SLAM as shown here, SLAM

    Once those are passed then it safe to swim when
    PH is between 7.2 and 7.8
    FC is between minimum and shock level for your CYA, FC/CYA Chart
    And the water is clear
    TFP Moderator
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