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Thread: Need to SLAM, PH is 7.8

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    Need to SLAM, PH is 7.8

    Need to start SLAM process, but PH is 7.8. So should I lower it first or just start dumping in bleach (recommended amounts of course) and get dead armed from brushing?
    18 x 30 IG vinyl "sports pool" 16k
    Hayward pump & sand filter. Polaris cleaner (older model) & booster pump.
    K-2006 test kit

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    duraleigh's Avatar
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    Re: Need to SLAM, PH is 7.8

    Pool School will tell you that 7.8 is on the high side but still within an acceptable range of 7.2 - 7.8.

    SLAM away!
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Need to SLAM, PH is 7.8

    Quote Originally Posted by duraleigh View Post
    SLAM away!
    Thank you Sir Dave!

    Started and brushed for 45 minutes...checking FC one more time, then heading to bed with my arms feeling 2 inches longer.
    18 x 30 IG vinyl "sports pool" 16k
    Hayward pump & sand filter. Polaris cleaner (older model) & booster pump.
    K-2006 test kit

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    Re: Need to SLAM, PH is 7.8

    So...8:30 last night- my CYA is about a 35, so I added the appropriate amount of bleach and brushed twice before midnight. 12 hours later the over night test showed no loss of FC less than .5 of CC yet I've still got brown dirt/residue on the bottom of the pool. I honestly thought it was algae, but now have my doubts. I just read about others having similar problems from Cottonwood trees, and boy are they in full bloom right now...could this be the reason I continue to have dirt/residue on the bottom of the pool, especially at the corners and creases?
    Pool is clear, except for the residue, wife says its very gritty, not slimy.
    Thoughts?
    18 x 30 IG vinyl "sports pool" 16k
    Hayward pump & sand filter. Polaris cleaner (older model) & booster pump.
    K-2006 test kit

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    Mod Squad jblizzle's Avatar
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    Re: Need to SLAM, PH is 7.8

    Get out the vacuum and clean it up.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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    Re: Need to SLAM, PH is 7.8

    I can do that! And just to make sure I'm on the same page, FC is staying the same over night meaning that its not an algae problem, correct?
    18 x 30 IG vinyl "sports pool" 16k
    Hayward pump & sand filter. Polaris cleaner (older model) & booster pump.
    K-2006 test kit

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    Re: Need to SLAM, PH is 7.8

    Correct, just needs to be vacuumed.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
    Hayward Aqua Rite T-15 SWCG, Jandy LXi 400k BTU NG heater, 350 sq.ft. of Sun Star solar panels, TF-100 Test Kit, Dolphin s300i Cleaner
    Test Kits . Pool Math . Chlorine/CYA Chart . The SLAM Process

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