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Thread: AGP may overflow due to hurricane...what can I do ?

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    AGP may overflow due to hurricane...what can I do ?

    Just wondering. I read in another thread someone said to drill a hole and run a hose somewhere but thats not an option now. Pool is filled and hurricane hits tonight !
    Can I set my Heyward filter S244T on "waste" and it will just flow out of the filter ? (my filter will remain off)
    21' All Steel AGP with Resin caps, Heyward S244T Sand Filter, Heyward 1HP 2 speed pump

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    Re: AGP may overflow due to hurricane...what can I do ?

    The rainfall estimates can be very wrong. Can you drain maybe 4" inches off the pool now and hope that the rain does not greatly exceed that?
    23,000 gallon in ground pool with rock waterfall and spillover spa, Aqualink control system, Polaris 380 cleaner, Purex Triton Clean&Clear Plus cartridge filter. Located in The Woodlands, Texas.

    Pool owner since Nov 2008, Trouble Free since April 2009. Happy to help when I can.

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    JasonLion's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    Don't drain too much. It is better to have the pool overflow than it is to drain it down too far.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    AnnaK's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    AGPs are self-draining in a way in that they'll overflow at the skimmer first. Remove the skimmer plate.
    AnnaK

    12,500 gal AGP, Hayward sand filter, Pentair 2-speed pump, timer.
    Please visit our Pool Issues pages for information about step weights, managing the solar cover, and PoolSkim.

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    Re: AGP may overflow due to hurricane...what can I do ?

    Quote Originally Posted by AnnaK
    AGPs are self-draining in a way in that they'll overflow at the skimmer first. Remove the skimmer plate.
    What about if I just run a hose from my skimmer to the back of my yard ? or couldn't I just leave my filter on "waste" and it will automatically drain ?
    No one answered that...sorry if thats an obvious question
    21' All Steel AGP with Resin caps, Heyward S244T Sand Filter, Heyward 1HP 2 speed pump

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    Mod Squad zea3's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    The problem with leaving the filter on waste is remembering to shut it off when the rain has let up.
    TFP Moderator
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    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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    AnnaK's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    If you set the filter to waste but NOT run the pump the pool will gravity drain to below the skimmer. Just be sure to get enough water back in before you turn the pump on.

    I've decided to let it drain at the skimmer via plain old overflow. If, indeed, we do get 12" of rain I'll pull on the Wellies and the slicker and run the pump to waste for a little while. Thought about just putting in a garden hose as siphon but that is just not going to take out enough water fast enough IF we get the predicted 12".

    So, in effect, I'm doing nothing. I'll wait and see.
    AnnaK

    12,500 gal AGP, Hayward sand filter, Pentair 2-speed pump, timer.
    Please visit our Pool Issues pages for information about step weights, managing the solar cover, and PoolSkim.

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    linen's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    Are there really any risks to having a pool overflow...It has happened to me without any negative consequences I can see. I would think it be best to leave as much water in as possible if you are going to get high wind.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Mod Squad zea3's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    If you have bare dirt around the bottom of an above ground pool then there is a chance of some sand cove wash out. If you have put pavers or other hardscape around the base it will deflect the force of the water so it doesn't erode the ground beneath. Its kind of the same as having gutters on your roof, without them the force of the water running off the roof from heavy rains will erode the ground beneath.
    TFP Moderator
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    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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    ivyleager's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    Hold tight. We didn't get much rain inland here in NC. I haven't had to drain ANY water at this point. Maybe tomorrow if the rain continues overnight. No need to panic until it's time to panic. Rain estimates have been way off.
    CaryB
    36 x 18 IG vinyl, 25K, 1 HP pump, sand filter
    1 skimmer, 2 returns, no main drain
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    linen's Avatar
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    Re: AGP may overflow due to hurricane...what can I do ?

    Quote Originally Posted by zea3
    If you have bare dirt around the bottom of an above ground pool then there is a chance of some sand cove wash out. If you have put pavers or other hardscape around the base it will deflect the force of the water so it doesn't erode the ground beneath. Its kind of the same as having gutters on your roof, without them the force of the water running off the roof from heavy rains will erode the ground beneath.
    Good points, I was thinking of hardscapes as being the norm. For agp with a skimmer, a quick way to protect would be to have rock just under that area so when it overflows it hits the rock and doesn't erode, though you would still need decent channeling of the water away from the area. I have heard people mentioning water behind liner...this makes not sense to me...am I missing something?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: AGP may overflow due to hurricane...what can I do ?

    i have bare dirt by the skimmer. This is a new pool install. I am going to run a hose from the waste port to the back of my house and leave the filter OFF.
    If it drains below the skimmer so what ? I have great water pressure here. I can get it back above the skimmer within a couple hours.
    21' All Steel AGP with Resin caps, Heyward S244T Sand Filter, Heyward 1HP 2 speed pump

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