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Thread: 25-30 teens coming! How to prepare????

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    brmommy's Avatar
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    25-30 teens coming! How to prepare????

    Okay. I'm still new to this pool stuff. I'm using BBB and have been keeping the FC around 5-6ppm. My son is having 25-30 friends over Friday night for a cookout and swim party. Do I need to do anything special before having that many people in the pool? I keep a solar cover on other than when I am in it. I don't seem to use much bleach currently. The pool hasn't been getting much use other than by me. In fact this will be the first time my son has even been in the pool. I think the fact that girls will be here too is the only reason he'll be getting in it.

    Just want to make sure that everyone is safe. Any recommendations before and after this party?
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    Mod Squad jblizzle's Avatar
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    Re: 25-30 teens coming! How to prepare????

    Raise the FC up. It is safe to swim up to shock level for your CYA, but you likely do not need that much. Maybe 10ppm. Then check it after everyone leaves and maybe bump it a little again.

    And try to stop the girls from creating an oil slick with tanning oils
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    Mod Squad Bama Rambler's Avatar
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    Re: 25-30 teens coming! How to prepare????

    I'd raise the FC to the top of the recommended range for your CYA right before the party and again right after. You also want to make sure the pH is in the low 7's. a lot of splashing is going to raise it a little.

    If you'll post a full set of test results we may see something else, but without test results that's all I have to offer.
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    Administrator Leebo's Avatar
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    Re: 25-30 teens coming! How to prepare????

    Run the filter 24/7 hours too if the water looks dull at all.

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    Re: 25-30 teens coming! How to prepare????

    Quote Originally Posted by jblizzle
    It is safe to swim up to shock level for your CYA
    ...
    And try to stop the girls from creating an oil slick with tanning oils
    Personally I would take (shock level)-1 and target that, I'm assuming you're talking about an afternoon + evening party.

    LOL on preventing oil slicks, a friend of ours made an oil slick, it was at 5:30PM! Not only did he feel the need to wear it (sunblock), but he doesn't know when to quit applying. First time I had ever seen someone make a trail.
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    Re: 25-30 teens coming! How to prepare????

    I conquer with all the replies. Good job on planning for the extra FC demand. I can attest to the water quality effects of not preparing
    We had about 40 teens swimming at the after-party.
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    Re: 25-30 teens coming! How to prepare????

    Quote Originally Posted by Speedo
    Personally I would take (shock level)-1 and target that, I'm assuming you're talking about an afternoon + evening party.
    This is what I would do.
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    Re: 25-30 teens coming! How to prepare????

    It is actually mostly evening. Not starting until 6:00 so won't have much sun. Thanks for all the input. I'll start working on that today.
    27' Round X 54" Aqua Leader Sentinelle AGP, Vinyl J hook liner. 18,500 gal.
    Waterway 19" oval sand filter, US Motors EZBN25 1.0 hp 1.5 SPL Pump, BBB (Empty Aqua Smarte System connected, may use during vacation), Barracuda Zodiac 1500,
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    Re: 25-30 teens coming! How to prepare????

    I would test the pool, adjust your FC at about 4:00 and then adjust your "beverages" at about 5:00.

    Enjoy!
    -- Guy --
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    Re: 25-30 teens coming! How to prepare????

    With that many teens I would be more worried about stabilizing myself with an adult beverage. Woooo Saaaaa
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    Re: 25-30 teens coming! How to prepare????

    How to prepare for party with a bunch of teens? Here in Houston we hide the booze.
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    Re: 25-30 teens coming! How to prepare????

    No booze in the house ever. lol So that isn't a problem. Maybe that many teens will be enough to make us start????

    Just took my readings.
    FC 4 Going to add 121 oz bottle of 8.25% bleach yet today.
    CC 0
    PH 7.6 Thinking I will see what it is when they leave then add muriatic acid the next morning if need be.
    TA 250
    CYA 50

    It will be interesting to see what the readings are the next morning.
    27' Round X 54" Aqua Leader Sentinelle AGP, Vinyl J hook liner. 18,500 gal.
    Waterway 19" oval sand filter, US Motors EZBN25 1.0 hp 1.5 SPL Pump, BBB (Empty Aqua Smarte System connected, may use during vacation), Barracuda Zodiac 1500,
    Taylor FAS-DPD K-2006 Test Kit.

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    Re: 25-30 teens coming! How to prepare????

    Quote Originally Posted by brmommy
    No booze in the house ever. lol So that isn't a problem. Maybe that many teens will be enough to make us start????
    Then I guess you need a big pitcher of iced tea! If you are going to adjust your pH, if you did it before the party it will make your CL a little more effective.
    -- Guy --
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    Re: 25-30 teens coming! How to prepare????

    30 people in 17,600 gallons would use about 1.8 ppm FC per hour. So unless you anticipate them urinating, I don't think you need to go so extreme as to near shock level. If you went to around 15% of your CYA level so if that's 50 ppm then 7.5 ppm, then that should handle 2 hours of 30 people in the pool. If you think they will be in longer or will be abusing your pool, then perhaps 10 ppm, but I think that 20 ppm would be excessive. It's not dangerous, but the chlorine may well be more noticeable.

    We had 8 women in our 16,000 gallon pool this past weekend for a couple of hours (it was a woman's gathering so I was banished from the home during that time) and I noticed more than the expected 1 ppm FC chlorine drop (though not an extraordinary amount). I inquired about possible urinating, but only got the kind of look from my wife that translates into "you don't really expect me to answer that question, do you?" We've had this conversation before so I left it at that.
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    Re: 25-30 teens coming! How to prepare????

    Hair products, make up, body lotion, sun lotion. All that stuff counts as organics to the chlorine.
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    Re: 25-30 teens coming! How to prepare????

    Quote Originally Posted by chem geek
    I inquired about possible urinating, but only got the kind of look from my wife that translates into "you don't really expect me to answer that question, do you?" We've had this conversation before so I left it at that.
    I know that look very well.

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    Re: 25-30 teens coming! How to prepare????

    So... is anyone sleeping on the ChemCouch tonight?
    -- Guy --
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    Re: 25-30 teens coming! How to prepare????

    So... you are telling me "How much chlorine will I need? It all Depends?"
    -- Guy --
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    Re: 25-30 teens coming! How to prepare????

    On a side note plan for 3 times as many beverages as you think you will need and at least twice as much food, teens swimming = lots of food and drinks needed. Also as soon as the party is over boost your FC to the upper part of the range again, you will be tired, but don't put this off until morning.

    Ike
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    Re: 25-30 teens coming! How to prepare????

    Quote Originally Posted by Isaac-1
    On a side note plan for 3 times as many beverages as you think you will need and at least twice as much food, teens swimming = lots of food and drinks needed. Also as soon as the party is over boost your FC to the upper part of the range again, you will be tired, but don't put this off until morning.

    Ike
    Okay. I was thinking the next morning but I'll do it that night then. Guess it might be interesting to take the FC reading just before it starts and then as soon as they are done. Just curious, will the CC be high then?
    27' Round X 54" Aqua Leader Sentinelle AGP, Vinyl J hook liner. 18,500 gal.
    Waterway 19" oval sand filter, US Motors EZBN25 1.0 hp 1.5 SPL Pump, BBB (Empty Aqua Smarte System connected, may use during vacation), Barracuda Zodiac 1500,
    Taylor FAS-DPD K-2006 Test Kit.

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