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Thread: Cloudy pool in deep end

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    Cloudy pool in deep end

    I can see the bottom, but it's still pretty cloudy, deep end only.

    TC 9.8
    FC 9.8
    PH 7.4
    TA 39 - THIS IS COMING UP NOW.
    CH - 108
    CYA - 80

    Lots of trees and pollen in the air.
    Very heavy rain in the last 2 weeks.
    Had 2 trees cut down, some sawdust and debris was in the pool.

    When I brush the bottom, clouds of dust come up.

    I've been brushing, vacuuming to filter and letting the robot do its thing.

    I just added 200ml of bioguard polysheen blue clarifier.

    Chlorine is being added through sticks and a chlorinator.

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    Mr Bruce's Avatar
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    Re: Cloudy pool in deep end

    How are you testing?

    If that CYA is correct you are making your CYA worse with sticks and a chlorinator, if that means pucks.

    Also we don't use clarifiers around here.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

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    Re: Cloudy pool in deep end

    It's a new pool and I didn't know any better. I do know the relationship between sticks, pucks ect and CYU. I'll be changing to bleach at the end of this season... We close our pools in September/October around here.

    I don't have the recommended test kit yet, but I will get one. Very hard to find one in Canada. Using strips and pool store testing, it's all I have at this point.

    I can't imigaine that the CYU level is the cause of the cloudiness??

    The clarifier was my last resort, couldn't find help.

    Could any of the other factors I listed be the cause.

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    Mr Bruce's Avatar
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    Re: Cloudy pool in deep end

    It's be nice to close the pool clear, makes for an easy open. I opened my pool in two hours last spring.

    Once your CYA gets that high it get hard to keep the chlorine level high enough. See this chart. Pool School - Chlorine / CYA Chart My guess is you don't have enough chlorine for whatever your CYA is and you have algae.

    If you don't know your real CYA #, you don't know your target or minimum. And pool stores get CYA wrong more than any other #. You really need a good test kit to do anything.
    32K gallon Plaster - 1hp Hayward 2 speed Super Pump - Hayward S200 Sand Filter - TF100XL
    Test Kits - Pool Math - Chlorine/CYA/Target/Slam Chart

  5. Back To Top    #5

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    Re: Cloudy pool in deep end

    My test numbers are above... Chlorine is actually a little higher for the given CYA in the chart.

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    Re: Cloudy pool in deep end

    Those aren't real numbers - but since you are almost closing let's pretend that they are.

    What happened is your CYA is pretty high and you kept your FC levels fairly low so algae grew in the pool. It was probably there for awhile - unseen - and then some event happened and the algae was able to take hold.

    If your CYA really was 80 we would suggest bringing the FC levels up to 30 - and holding them there until the pool was clear. See SLAM in pool school.

    Other than that - brush and filter. Sand filters can be a little slow to clear the cloudiness.
    16K Gal Plaster | Compupool SWG | Intelliflow VF | TF-100

  7. Back To Top    #7

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    Re: Cloudy pool in deep end

    Is only brush and filter sufficient? Do I need to add chlorine or algaecide?

    Should the kids stay out of the pool?

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    Re: Cloudy pool in deep end

    Your going to need to add chlorine (not algaecide) and plenty of it- its going to be very hard to do this successfully without one of the recommended test kits. You need an accurate CYA number and the ability to measure high chlorine levels with a FAS DPD test for chlorine. This thread discusses how you might be able to get a K2006 (one of the recommended test kits in Canada).
    11 000 gallons, IG, Fibreglass, Monarch Sand Filter, Davey Typhoon C100M 1HP pump, Davey Chloromatic Mc16CTO ESR SWG, Davey Pool Wall Climba Robot, Daisy Solar Cover,
    K-2006

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    Messman750's Avatar
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    Re: Cloudy pool in deep end

    No algaecide. Bleach or liquid chlorine only!
    32x16 inground chlorine. 23000 gallon with diving board
    vinyl liner 1hp hayward super pump. Waterway sand filter new in 2014.
    maytronics dolphin m200 robot. I live in central NY.
    TF100 kit Taylor speedstir. Sonos audio

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    Re: Cloudy pool in deep end

    In the mean time, can I shut off the chlorinator, stop using the sticks and dump in some bleach or liquid chlorine and hope for the best??? Or bad idea?

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    Re: Cloudy pool in deep end

    It would help us first if you put your equipment, pool details in your signature. Pool School-Read this Before you Post
    11 000 gallons, IG, Fibreglass, Monarch Sand Filter, Davey Typhoon C100M 1HP pump, Davey Chloromatic Mc16CTO ESR SWG, Davey Pool Wall Climba Robot, Daisy Solar Cover,
    K-2006

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    Re: Cloudy pool in deep end

    Strange.. I created my signature with all info in it... Not sure why it's not showing up??

    New Pool Build July 2016
    Taormina In Ground (steel/Liner) 17,100 Gallons. 16x20x32
    Hayward SP3200VSP 1.8THP Pump
    Hayward Pro Series Sand Filter S-220T
    Hayward Chlorine Feeder CL200EF
    New Pool Build July 2016
    Taormina In Ground (steel/Liner) 17,100 Gallons. 16x20x32
    Hayward SP3200VSP 1.8THP Pump
    Hayward Pro Series Sand Filter S-220T
    Hayward Chlorine Feeder CL200EF

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    Mod Squad pooldv's Avatar
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    Re: Cloudy pool in deep end

    I checked the show sig box under your test box. It should stay checked after it is checked once.
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    Re: Cloudy pool in deep end

    Quote Originally Posted by Matt_S View Post
    In the mean time, can I shut off the chlorinator, stop using the sticks and dump in some bleach or liquid chlorine and hope for the best??? Or bad idea?
    It's not a bad idea. It's harder to SLAM properly without accurate numbers - but that just means it might not be as efficient.

    I would stop using the sticks - your CYA is high enough to be causing trouble.

    Keep your chlorine high using liquid chlorine - brush and filter. It'll clear.
    16K Gal Plaster | Compupool SWG | Intelliflow VF | TF-100

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