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Thread: Olympic Pool

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    Olympic Pool

    Has anyone noticed how beautiful the water in the Olympic swimming pool is? Dying to fly down to Rio with my test kit to test it. Husband was asking me what kind of filter that would use and I have no idea. Is there a different kind of filter used on that kind of pool, or just bigger versions of the type used in residential pools.
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    Re: Olympic Pool

    The Australians would thank you as they have refused to use the warm up pools and training pools because they are cloudy.....

    http://www.independent.co.uk/news/wo...-a7176006.html

    I could not find out what type of filter Mythra Pools are using except they state the the olympic pools will use 25% less chemicals because of their quote "special filter system". I note they have UV on their website and show chlorine gas generators in their gallery

    btw the 2 main pools are approx 980,000 gallons each

    https://www.rio2016.com/en/news/a-mo...es-is-unveiled

    Just found out they are basically using a sand filter setup, but with different media. Perlite (Volcanic rock) instead of sand, with added DE.
    Last edited by Caco; 08-08-2016 at 03:25 AM. Reason: New data
    6000 gal, AG vinyl, Intex ultra frame 16ft, 1200 Gallon Sand Filter, DIY Solar, Clear Choice Labs Testing Kit

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    Re: Olympic Pool

    12k IG salt; glass beads in plaster; K-2006C, K-1766, CCL, and Aussie 4in1 (HTH); Pentair Eco800 1.2HP VS; Zodiac SWC 1.3 lb/day (25 g/hr); 25" filter recycled glass; OKU solar panels; 1/2 HP solar pump; Rebel (Warrior) pool cleaner; FlowViz; prior pool AG 10k | Read Before Posting to get the best possible advice | ... and this helped me a lot!: TFPC for Beginners

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    Re: Olympic Pool

    Funny, I caught a bit last night and told my wife how nasty and cloudy the water looked. I suspect their CYA level is too high and chlorine level not high enough, just like my neighbor's pool that always turns cloudy after people swim in it.

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    Re: Olympic Pool

    I would be very surprised if they use CYA as most large public pools don't use any CYA that I'm aware of.
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    Re: Olympic Pool

    Quote Originally Posted by ping View Post
    I would be very surprised if they use CYA as most large public pools don't use any CYA that I'm aware of.
    Even for outdoor? I consulted for a commercial pool that was in bad shape, and every person I talked to was shocked I was using CYA for a commercial pool. The commercial pool distributor did not even carry it.

    Our municipality prohibits CYA for indoor pools, but not outdoor.

    But to OP, the commercial pool I have experience with had 3 huge inline sand filters.

  7. Back To Top    #7

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    Re: Olympic Pool

    why don't commercial pools use CYA?

    //edit, I think I answered my own question. Read this on another page, which makes sense:

    "If, however, you are running a high demand facility (rec. pool, water park, municipal pool, summer camp. Etc.), you do not want your chlorine to be bound up and ineffective; you want it to sanitize the water, and to do it quickly!"

    So with a rec pool you want to just add chlorine as fast as necessary to keep the FC ppm at the right levels I guess.

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    Re: Olympic Pool

    Quote Originally Posted by camueller View Post
    why don't commercial pools use CYA?

    //edit, I think I answered my own question. Read this on another page, which makes sense:

    "If, however, you are running a high demand facility (rec. pool, water park, municipal pool, summer camp. Etc.), you do not want your chlorine to be bound up and ineffective; you want it to sanitize the water, and to do it quickly!"

    So with a rec pool you want to just add chlorine as fast as necessary to keep the FC ppm at the right levels I guess.
    I'm not sure.

    The issue with not having CYA in this pool was that it was a very old pool with poor circulation, and the shallow end would have high FC while the deep end would be at 0.
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    Re: Olympic Pool

    They do not want any chlorine to be bound by the CYA and not have another cost to run the pool. The don't care how harsh the chlorine is, as long as they are within their regulations.

    Keep in mind they lose a lot of water due to various reasons.
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    Re: Olympic Pool

    So, it just turned green, so who wants to troubleshoot it?
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    Re: Olympic Pool

    At the same time, this is Brazil. Chemistry is universal but regulations aren't.
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    Re: Olympic Pool

    IMG_8190.JPG

    This is amazing. News reorts are commenting as "what could have happened?!" Haha. I think we all know.

    I would LOVE to fly down with my test kit.



    27,000 gal concrete rectangle, built Oct '15, DE filter, Jandy PHPM 1.5 HP, Hayward HP21104T heat pump, TF-100

  14. Back To Top    #14

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    Re: Olympic Pool

    Wow! Is that algae? Could algae turn that much water green overnight?
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    Re: Olympic Pool

    This article cracks me up!
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    Re: Olympic Pool

    Can you get a TF-100 in Brazil? Pool store testing obviously isn't cutting it.
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  17. Back To Top    #17

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    Re: Olympic Pool

    It's their colors. Blue and green. It is a very vibrant green.
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    Re: Olympic Pool

    I was wondering if it might be copper. The water doesn't seem cloudy, just bright green.

    - - - Updated - - -

    The diving pool at the Rio Olympics has turned bright green. Here are some theories. - Vox

  19. Back To Top    #19
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    Re: Olympic Pool

    I wonder if they use copper as well. I noticed Ryan Lochte's hair has a bit of green tint to it.
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    Re: Olympic Pool

    My money's on copper. I can't exactly imagine them under chlorinating prior to a major event. But I can picture them shocking the daylights out of it overnight...

    Okay, in the UK sun, there was this rather amusing passage:

    Unconfirmed reports claimed that the pH level in the pool had risen to 9, an alkaline reading, when the optimum level is 7.4, much closer to neutral.

    That would indicate there was not enough chlorine in the water, which in turn could have allowed green-coloured algae to grow.

    A source alleged the venue managers had had to "shock" the pool back down to a normal pH just two hours before the competition began.
    WTH? Where to start on that one, eh? We should invite the aquatics peeps to open a thread
    "Help, i have a major international event in an hour and my pool just turned green!"
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