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Thread: pool water clouds up frequently

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    pool water clouds up frequently

    my apologies in advance to the moderator that drew the short straw and got stuck answering my question...
    background: Pool built and plastered in fall 2010. I started bbb in mid summer 2011. Pool winterized last fall, opened mid-April. I have shocked the pool 3 times since then. The first round I probably didn't quite finish, second and third times I shocked until 3 criteria met.

    Most recent shock completed 6/3. Passed oclt (lost 1ppm overnight 2 nights in a row) this last round, let fc drop to maintainance for Cya=60, have used liquid cl only. It took 3 days for Cl to drop to maintainance levels, so I thought I had finished shocking.

    Since then, I have added 3-3.5 ppm per day, maintaining Cl between 6.5 at the lowest and 10.5 at the highest. Thought I was getting into a pretty good routine.

    My question is, I noticed that the pool looks slightly hazy after we have a lot of swimmers (6 rowdy teens for several hours at a time). Main drain in deep end clearly visible, but water just
    seems slightly "off". It seems to take around 24 hours for this to go back to clear. When it does, the pool sparkles.

    Following a suggestion I got a few weeks ago, I finally got a stainless steel brush. (I had been
    using a nylon wall whale brush before that, brushed & vaccuumed once or twice per week.). Using the ss brush for the first time today, I got big white puffs off the walls and floor when I brushed. water is looking hazy, but drain still visible.

    Did an oclt last night, since I am trying to keep a super close eye on things.
    9pm: 12.0, 0cc
    5am: 11.0, .5 cc, retested 11.0, 0 cc

    I was hoping for some advice about a couple of things:
    #1. does it sound like something is growing in the pool? or does the cloudiness come from
    stirring up plaster dust?
    #2. would adding de to my sand filter help the cloudiness if it is from plaster dust?

    I feel like I have read pool school, but my pool has not.
    I'm really hoping to fix things once and for all so that I can just do routine maintainance and actually enjoy this pool.
    30000 gallon inground gunite pool
    Intelliflo ic-60 SWG, pentair tagelus sand filter, 1.5 hp whisperflo pump, tf 100 test kit,
    2 kids(tl), 1 mini-dachshund/lab mix(t),
    Central Illinois

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    Re: pool water clouds up frequently

    oops, forgot this morning's test#s. (I know how you all like your numbers!)
    FC/cc 11.0,.5/11.0,0
    pH. 7.7 last night, not tested this am
    TA 130
    CYA 60
    CH 250-270 (fading endpoint)
    salt 3800 (swg off for now)
    30000 gallon inground gunite pool
    Intelliflo ic-60 SWG, pentair tagelus sand filter, 1.5 hp whisperflo pump, tf 100 test kit,
    2 kids(tl), 1 mini-dachshund/lab mix(t),
    Central Illinois

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    duraleigh's Avatar
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    Re: pool water clouds up frequently

    I noticed that the pool looks slightly hazy after we have a lot of swimmers (6 rowdy teens for several hours at a time).
    Very common issue.....filter and chlorine both become somewhat overloaded. Elevate your chlorine by about 3 ppm BEFORE they get in the pool.....that may not cure the cloudiness but it will lessen it and it will clean up quicker. Run the pump continuously during the before, during, and after.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: pool water clouds up frequently

    aha! I elevated the Cl after they got out.
    30000 gallon inground gunite pool
    Intelliflo ic-60 SWG, pentair tagelus sand filter, 1.5 hp whisperflo pump, tf 100 test kit,
    2 kids(tl), 1 mini-dachshund/lab mix(t),
    Central Illinois

  5. Back To Top    #5

    Re: pool water clouds up frequently

    Apologies in advance for the rambling...
    still having issues with pool hazing up slightly EVERY time we use it. Usually have at most 5 or 6 swimmers, for several hours. That just seems to me like it should be too small of a "demand" on the pool to cause haziness inthe water. Never had this problem last summer, or maybe never noticed.
    It takes 24 hours or a little more for it to improve/clear up.
    I shocked on 6/17-6/18 to see if that would help. (retested cya, =50-55)
    I kept Cl above 18 at the very least the whole time I shocked. I'm letting it drop today. Its been very sunny and very hot here (90+ air/88 pool temps)
    Water looked clear this morning, after having no swimmers since Sunday. I've been brushing, vaccuuming while shocking.
    No fc loss last night. fc dropped from 27.0 to 14.0 today
    Once the Cl got down to 15.5 this afternoon, I let the kids (4) in the pool. Water went from sparkly to just a hint hazy.
    This is hard to take since I have a bad case of sparkly poolitis!

    current tests
    Fc 14.0 cc very slight 0<cc<.5
    pH. not tested. 7.5 when I started shocking
    TA 120
    CYA 50-55
    salt 3800 (taylor salt test)
    CH. (floating endpoint issues here) 250

    I'm wondering if I have a filtration issue? Filter pressure has only gone up 1 psi since Sunday. Could there be some really fine silty stuff we are stirring up when we swim that the filter just can't catch? I never have opened the filter to see if it is channeled, but maybe I should?
    Or should I lower my expectations a bit? I just don't recall having any clarity issues last season(except one time that I needed to shock, resolved completely)
    30000 gallon inground gunite pool
    Intelliflo ic-60 SWG, pentair tagelus sand filter, 1.5 hp whisperflo pump, tf 100 test kit,
    2 kids(tl), 1 mini-dachshund/lab mix(t),
    Central Illinois

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    Mod Squad Bama Rambler's Avatar
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    SouthWest Alabama
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    Re: pool water clouds up frequently

    Are they wearing sunscreen (They should be)? That might be part of the problem. Id' try a couple of scum balls in the skimmer and see if that helps.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: pool water clouds up frequently

    I will get some scumballs. I used to use them but they got thrown away when I shocked a few weeks ago.

    Water cleared up just fine over night, probably because fc was so high, and ran the pump/filter.

    Yes, the kids wore sunscreen, or at least my son did. (With 2 docs for parents he doesn't stand a chance when it comes to safety stuff like sunscreen and bike helmets, poor kid.)
    So I'm sure we added some oils to the water.

    Looks like I need to use a little more POP and try an adult beverage next time I see a little bit of cloudiness after swimming. I'm also going to vaccuum more frequently and brush more as well.

    Thank you all for being patient with all my questions.
    30000 gallon inground gunite pool
    Intelliflo ic-60 SWG, pentair tagelus sand filter, 1.5 hp whisperflo pump, tf 100 test kit,
    2 kids(tl), 1 mini-dachshund/lab mix(t),
    Central Illinois

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    Qwaxalot's Avatar
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    Re: pool water clouds up frequently

    6 kids in the pool will eat up a lot of chlorine, some haziness in the water is normal. you can increase the chlorine production on your intellichlor to combat this. Your stabilizer levels are fine.
    In the industry, CSP (Certified Service Professional) by the NSPI and it's successor the APSP. My company services over 600 pools every year. I think the practices regularly espoused on this forum (especially the BBB method) are outstanding; however my comments will be often oriented towards the goal of getting it done, and getting it done right now!

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