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Thread: Slamming pool, some questions?

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    Slamming pool, some questions?

    My CYA is low at 20ppm so I wasn't in a rush to dump 4lbs of it into the pool just yet, but I was gone for about 3 hours and tested the water for CL and it ate up about 10+ ppm !?!?!! Where the faznaksy did it go??? Is it because my CYA is so low? I know I don't have that much **** in the water, it's crystal clear and has been I'm only slamming because I let it drop to 0 and saw some algae creepin on the walls (greenish tint in a few places). So that's the first question.

    Can I add borates (complete process) while I'm slamming? Overlap the whole thing, I already the 22 boxes of borax and 7 gallons of MA teehee. That's question número two.




    I/G Concrete w/spa 29k Gallons (I think lol)
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    Richard320's Avatar
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    Re: Slamming pool, some questions?

    You will lose a whole lot to the sun without adequate CYA. If you have algae on the walls - enough to see - you have algae in the water, too. Maybe lurking behind lights, under ladder treads, anywhere and everywhere. That can eat chlorine up fast, too.

    10+ is not the kind of test results we like to see.... the recommended FAS-DPD test can accurately measure FC up to 50ppm. If you don't have the right test kit, you'll just be prolonging the SLAM and without the CC test, you'll never really know when you're done. End sermon.

    I wouldn't even think about borates until that pool has passed all three tests for ending the SLAM and everything else is balanced and stable for at least a week. Your sole job right now is to monitor FC & CC and brush that pool until it passes. Then you worry about raising CYA and adjusting pH and TA and all the rest. Lastly, you worry about borates. They're totally optional. I mean, seriously, it's like putting chrome tailpipes on a car with an audible misfire. Deal with the important stuff first!
    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: Slamming pool, some questions?

    Point taken!

    I have the TF100 XL kit
    To be specific I lost 12ppm in a span of 3 hours while I was at the store. I hVw been testing all day and adding CL, my CC has been at 0 the entire time, in fact I can remember the last time my CCs have been over 0.5.


    I/G Concrete w/spa 29k Gallons (I think lol)
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    Re: Slamming pool, some questions?

    So leave CYA where it's at also? I have a lot of sun.


    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
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    Richard320's Avatar
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    Re: Slamming pool, some questions?

    No, you want to raise CYA, but not until after you pass the SLAM. If the CC is below .5 and the water is clear (that includes any patches on the walls) run the overnight loss test tonight. If you pass, hang the sock full of CYA in the pool as soon as you know.
    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: Slamming pool, some questions?

    Ok will update.


    I/G Concrete w/spa 29k Gallons (I think lol)
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    Re: Slamming pool, some questions?

    OCLT this morning yielded 2.0ppm FC loss Water is and has been crystal clear CCs at less than 0.5
    What sucks is that Im now at work and wont be back til 5 so I will have my wife add some CL around lunch time and my son bruch the pool... and hope for the best.
    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
    Nature2 thingy disabled
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    Re: Slamming pool, some questions?

    So my fix has been at no less than 11ppm all day and I've been cruising it at around 13-15ppm since I came home. Brushed twice again.

    Starting my OCLT tonight with 13ppm as of now.


    I/G Concrete w/spa 29k Gallons (I think lol)
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    Mod Squad jblizzle's Avatar
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    Re: Slamming pool, some questions?

    Good luck, fingers crossed
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    Re: Slamming pool, some questions?

    ****, OCLT yielded a loss of 1.5 ppm


    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
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    Re: Slamming pool, some questions?

    This is so frustrating, last night yielded 2.0ppm loss overnight. The rain storm form yesteday didnt help.
    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
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    Butterfly's Avatar
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    Re: Slamming pool, some questions?

    Keep SLAMing, you are close!

    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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    Re: Slamming pool, some questions?

    I was so close the other night and then I sort of dropped the ball with the rain storm
    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
    Nature2 thingy disabled
    Polaris 280
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  14. Back To Top    #14

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    Re: Slamming pool, some questions?

    PASSED!!! Woot woot!!! pashents is works

    - - - Updated - - -

    Now onto the CYA addition and Borates.
    I/G Concrete w/spa 29k Gallons (I think lol)
    DE
    Nature2 thingy disabled
    Polaris 280
    Aqualink RS4

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