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Thread: Opening pool, cloudy water not going away

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    Opening pool, cloudy water not going away

    I opened the pool with cloudy, thick- looking water approximately 2weeks ago. I added bleach, obviously not enough and muriatic acid. All of the initial readings were at ok levels. When I found TFP, I tested for cya which was zero. I added the cya and continued shocking. From reading the pool school, I felt I was not shocking enough, so increased it. Now, I'm 20 bottles of bleach (7% available) since CYA reading and there has been only a slight Improvement. I started shocking when CYA was at 40. I do not have true FC reading yet and am waiting on test to come in mail.
    There is no visible algae, pool light was clean but left it open
    Fine dirt on steps and along seams of liner
    I am concerned that I may have added too much bleach. I thought it was getting a little clearer but that has stopped. Since I don't yet have a way to test for true free chlorine, should I continue adding chlorine until water is clear?
    Pool is kidney shaped in ground
    Vinyl liner
    30 feet length
    18 feet widest
    4 feet at shallowest and 8 feet deepest
    No drain
    2returns( 1is a waterfall)
    Sand filter
    1hp pentair super flow pump
    Pool is enclosed with uv roof

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    Re: Opening pool, cloudy water not going away

    Almost everything we teach here about pool water chemistry begins and ends with good testing so we know where you are.

    Can you post complete test results?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: Opening pool, cloudy water not going away

    New CYA test says 90
    Ph: 8.4
    TA:180
    TH: 100
    FC-above 20
    TC-10 or above
    Filter has not needed back washing according to PSI but have done it twice just the same. Filter is 2years old.

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    Smykowski's Avatar
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    Re: Opening pool, cloudy water not going away

    You need to add acid to get pH below 7.8; anything above 8 is bad.

    Second, you need to get a good test kit. The shock process you need to do depends on accurate testing. Any other advice we give would be a guess, at best.
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Opening pool, cloudy water not going away

    Thank you! I thought needed to ignore those numbers because of the shock process. I have your FAS test coming. I thought Leslie's was selling the right kit but they weren't. It was missing the FAS portion.

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    Re: Opening pool, cloudy water not going away

    I have my test kit. CYA 65, TA 180, FC 34, CC O PH 7.5 TH 100.
    FC dropped overnight to 28, water temp is 85 and outside temp is 93, South Louisiana
    Water is cloudy, have been brushing entire pool a couple of times a day.
    Am I doing something wrong?

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    Re: Opening pool, cloudy water not going away

    Your on the right track. just need some POP(Pool Owner Patience). read pool-school/shocking_your_pool
    11,000 gal Fiberglass IG, Jacuzzi sand filter, Pentair Superflo 1.5hp 2speed pump, Hayward AQR15, Maytronics Active20, K-2006 kit, K1766, SpeedStir

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    Re: Opening pool, cloudy water not going away

    Thank you!

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    Re: Opening pool, cloudy water not going away

    The pool maintained a FC of 32 overnight, CC 0, all other readings the same so far.
    I am confused as to the follow-up. Brush once a day, test twice a day, but do you let the FC fall to the swimming level or do you maintain the high reading until the pool is clear? I might be answering my own question. Keep the level high until water is clear? I have a sand filter. I guess I need reassurance. Thanks in advance.

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    Re: Opening pool, cloudy water not going away

    Yeah, keep it up there. Although you are being a bit heavy handed on your chlorine dosage....24 ppm is where you should be. Any reason for the 32 ppm?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Charlie_R's Avatar
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    Re: Opening pool, cloudy water not going away

    What he said^^^^ and:

    Assuming that your pressure gauge is working, at what point are you backwashing? If it isn't returning to 0 when you shut the pump off, replace it ASAP.

    Since your reported numbers are looking ok, and you are just trying to clear the cloud, look in Pool School for adding DE to sand filter. Be aware that if you do this, you will be backwashing more frequently, and will need to replentish the DE at every backwash.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    Re: Opening pool, cloudy water not going away

    I thought shock level was 28 so because it was slightly higher I let it stay. Should I let it fall to 24 (which it will probably do over this very hot day) and the keep it there? My pressure gauge does fall to zero when it is turned off. It maintains pressure between 12k and 15k, but I back washed yesterday afternoon anyway. I back washed for 2+ minutes, then rinsed for similar amount of time then returned to filter.

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    Re: Opening pool, cloudy water not going away

    One other question. If I want to add borates to the pool, when do I do this and is there a table to use to do so?

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    Charlie_R's Avatar
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    Re: Opening pool, cloudy water not going away

    There is a thread you can read here.

    Kinda long, but does give good info on borates, still a good read.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    Re: Opening pool, cloudy water not going away

    Thank you.

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    Re: Opening pool, cloudy water not going away

    The overnight reading stayed at the same number for two nights, it has now dropped two nights in a row. I am keeping the reading at 24, checking every two hours throughout day. Water is still cloudy but looks better. Brushing twice a day. Help?!

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    Smykowski's Avatar
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    Re: Opening pool, cloudy water not going away

    Sounds like you're doing it right. Keep on keepin'on.

    Can you out your pool info in your signature?
    33' round, 23,000 gal AG vinyl , 1HP 2spd PowerFlo Matrix downsized with 3/4HP impeller (X2), Hayward S180T 150# sand filter (X2), Hayward H250 NG heater Pool Store year 1 - $850 for 2 months; Pool Store year 2 - $440 for 2 months, TFPC year 1 - $170 for 4 months; TFPC year 2 - $95 for 4.5 months
    The most important article on this site - The ABCs of Pool Water Chemistry

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    Re: Opening pool, cloudy water not going away

    Is there a reason for the FC drop overnight after staying steady for two nights?

    Kidney shaped pool, approximately 20k, viny
    1HP Pentair pump
    Sand Filter, no drain, one return next to skimmer, one return as waterfall

  19. Back To Top    #19

    Re: Opening pool, cloudy water not going away

    Boy, I hate to be a pest but I 'm still in cloudy water. I am keeping the FC at 24, my CYA has dropped to 35. We have a copper ionizer attached but after reading about them here, I turned it off. Would it contribute to the continuing problem of cloudy water. I just ran out of the free chlorine test and new bottle should be here today. So I cannot report last night loss.
    PH was a little high 8.2, so I am lowering it on meantime.
    Any help while waiting on the new titrate?

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    Charlie_R's Avatar
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    Re: Opening pool, cloudy water not going away

    Your cloudy water will take time to clear. Pool Owner Patience!

    You pool has just been through one heck of a battle, and need a little bit of TLC and POP. You are now in the "mop-up" phase.

    If you have the cheap OTO kit, do a dilution of 1/2 pool water and 1/2 tap water to test for higher TC levels. If that isn't diluted enough, dilute twice and test. You will lose accuracy with the dilution, but will still give "ball-park" figures.

    Keep your FC high, until your pool is clear. You don't want to give any possibly still living algae even the slightest chance of coming back.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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