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Thread: Getting ready to have some heavy rain...Anything I should do afterwards?

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    Join Date
    May 2014
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    Getting ready to have some heavy rain...Anything I should do afterwards?

    So heavy rain and storms are predicted for today into tonight.

    My pool is balanced perfectly right now with the exception of my CYA. Not exactly sure what it is yet...I'll need to wait till the weekend to measure.

    I was just wondering if there is anything different i should do or test for after the rain?
    I test FC daily and PH every other day. PH has been 7.5 for the past 2 weeks since I filled the pool.

    I try to stay at around 5ppm FC. Should I raise it a little before the rain? Or just keep doing like i'm doing?
    24'x54" 15k AG round - Outback Genesis
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    freqz's Avatar
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    Sep 2013
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    Dallas, TX
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    Re: Getting ready to have some heavy rain...Anything I should do afterwards?

    Not a whole lot to do...don't sweat it.

    If your yard doesn't drain really well you might make sure any choke points that could back up are cleared out. That's what happened to mine earlier this spring (and it did make a mess...)

    25000 gal in ground plaster. '79 vintage. Cartridge filter.

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    Richard320's Avatar
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    Re: Getting ready to have some heavy rain...Anything I should do afterwards?

    What is this thing you call rain?

    If they're forecasting lots and lots of rain, enough so there's a chance the pool will overflow, drain some now. Otherwise, it will find the lowest side of the pool and run out there, washing away the dirt in that area, which will make the wall settle even more in that low spot, which will make it leak faster there next time, and I think you know where it's going.

    Your chemistry won't be affected as much as you fear. Just for simple math, say your water is 50" deep. 2" of rain is only 4%. So if CYA is 40, it will be 38.4. You can't even read that change on the CYA tester!
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Re: Getting ready to have some heavy rain...Anything I should do afterwards?

    Perfect. I dont have to worry about overflowing. I need to add a few inches as it is right now anyway.

    I was just worried about the chemistry.
    24'x54" 15k AG round - Outback Genesis
    1 1/2hp Hayward Matrix 2 speed. Hayward 180T Sand Filter
    TF-100 Test Kit
    Pool School & TF-100
    How to SLAM

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    Smykowski's Avatar
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    Re: Getting ready to have some heavy rain...Anything I should do afterwards?

    I (along with a few others here) divert rainwater from the roof into the pool for free fillups. Don't worry about it.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Getting ready to have some heavy rain...Anything I should do afterwards?

    So the storms passed yesterday. Pool is full now...lol Leaves and debris everywhere. Solar cover was blown off.

    All and all we did fairly well. FC was at 3 last night when I tested. I left the cover off and got as many leaves out as I could with the net. I'll have to vacuum it today.
    24'x54" 15k AG round - Outback Genesis
    1 1/2hp Hayward Matrix 2 speed. Hayward 180T Sand Filter
    TF-100 Test Kit
    Pool School & TF-100
    How to SLAM

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