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Thread: treating cloudy blue water using bbb method for first time

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    Join Date
    Jun 2011
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    nashville, Tennessee
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    treating cloudy blue water using bbb method for first time

    So We just had a beautiful baby girl, and while we were away our pool gave birth to something as well. Our pool is currently blue, but its cloudy and today is day 8 of me trying to fix it. Any help on what I may be doing wrong? Im vacuuming and brushing once per day. then testing once per day at night after I vacuum. Testing done with Tf-100

    on Day 1
    FC 8.5
    CC .5
    TA - 80
    PH - 6.8
    CYA - 52ish
    Added 16oz borax, 64oz baking soda, 384oz bleach

    day 2
    FC - 15
    TA - 100
    PH - 7.1
    Added 41 oz borax, 212 oz bleach

    Day 3
    FC - 16
    TA - 120
    PH - 7.5
    added 338 oz bleach

    day 4
    FC - 20
    TA - 120
    PH - 7.5
    added 182 oz bleach

    Day 5
    fc - 15
    TA - 110
    PH - 7.5
    added 182 oz bleach, and even added in 2 lbs of granular pool shock

    day 6
    FC - 14.5
    TA - 100
    PH - 7.4
    Added 364 oz bleach

    Day 7 (I just started testing bleach as I figure everything else is good)
    FC - 20
    Added 182 oz bleach

    Day 8 (today)
    FC - 18
    Added in 240 oz bleach and 2 more lbs of granular shock

    today I also took the steps completely out of the pool, as well as the pool mat. I did find that the handle of the 5 gallon bucket I was using for weight was rusted and black and stuff so I removed the handle and cleaned it off. there was less algae today, but there was still a thin layer of algae on about 75% of the pool floorthen a couple of bigger clumps in a few areas. so it takes forever to vacuum up. The pool isnt green, but its blue and cloudy. Is it normal for it to be this difficult to clear it up? Is there something else I can do to fix this more quickly. I cant keep spending 1-2 hours vacuuming this pool everyday. And my wife is beginning to think Im an idiot for following this BBB instead of just doing what the pool store says. the bleach bottles are piling up and im getting frustrated too. Please help!!!!

    Thanks for any ideas on what I can do differently or ideas on what to expect.
    27 ft round above ground pool. Vinyl liner. 17k gallons. 2hp pump sand filter.

  2. Back To Top    #2

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    Re: treating cloudy blue water using bbb method for first ti

    Your CYA is going to be pretty high if you keeping adding powdered shock and you're going to need more and more bleach to compensate for it. Quit using powdered shock!!! Have you done an OCLT? I don't know how much CC you are having each day, so it's really difficult for me to tell more.
    18'x48" AG
    Pentair 1 1/2 HP Dynamo Pump
    Sand Dollar Sand Filter w/ Zeobrite
    Lil Shark Vacuum System
    Hard Plumbed

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    Re: treating cloudy blue water using bbb method for first ti

    Powdered shock is out of desperation to get this done. Ill stop adding it.

    I havent tested CC every day, the first 3 days it was 0. I tested it today and it was .5
    27 ft round above ground pool. Vinyl liner. 17k gallons. 2hp pump sand filter.

  4. Back To Top    #4
    JasonLion's Avatar
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    Re: treating cloudy blue water using bbb method for first ti

    Granular shock is usually made out of dichlor. Dichlor adds CYA to the pool very rapidly. Higher CYA levels required more chlorine, and this rapidly becomes a losing proposition.

    Have you noticed any improvement in the water quality or done an overnight FC loss test yet?
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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    Re: treating cloudy blue water using bbb method for first ti

    I can do the overnight test tonight. Since I just added the bleach and granular shock how long should I wait before retesting the FC level tonight? and will the results be off since I used the granular shock.?
    27 ft round above ground pool. Vinyl liner. 17k gallons. 2hp pump sand filter.

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    BoDarville's Avatar
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    Re: treating cloudy blue water using bbb method for first ti

    olred:

    Welcome to TFP and congrats on your new baby girl.

    Here is a Pool School article on the shock process: Shock Your Pool. It is also important to maintain the appropriate FC shock level during the shock process according to your pool's CYA. Click the Chlorine/CYA Chart link in my sig below to determine this level.

    Agree with the other posts on this thread that recommend ceasing the use of powdered shock (which likely contains either CYA or CH). Too much of either can be problematic.

    Continue the shock process until all of the following criteria are met:
    CC is 0.5 or lower;
    An overnight FC loss test shows a loss of 1.0 ppm or less;
    And the water is clear.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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    Re: treating cloudy blue water using bbb method for first ti

    how do you "maintain" the shock level? Do I have to test the chlorine level every 30 minutes? If I would have been doing this for 8 days I would have ran through several test bottles of the chlorine test regeant by now. Not sure if there is some other way to maintain the level, so I just tested it once per day.
    27 ft round above ground pool. Vinyl liner. 17k gallons. 2hp pump sand filter.

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    Re: treating cloudy blue water using bbb method for first ti

    This will explain the OCLT....pool-school/overnight_fc_test. If you pass the OCLT then you won't need to shock. If you don't then you'll need to pool-school/shocking_your_pool. It does seem like you'll use all your reagent right off the bat, but it's really the only real way to get your pool crystal clear.
    18'x48" AG
    Pentair 1 1/2 HP Dynamo Pump
    Sand Dollar Sand Filter w/ Zeobrite
    Lil Shark Vacuum System
    Hard Plumbed

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    BoDarville's Avatar
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    Re: treating cloudy blue water using bbb method for first ti

    Quote Originally Posted by olred
    how do you "maintain" the shock level? Do I have to test the chlorine level every 30 minutes? If I would have been doing this for 8 days I would have ran through several test bottles of the chlorine test regeant by now. Not sure if there is some other way to maintain the level, so I just tested it once per day.
    Here's how you maintain the shock level:
    1. Measure the FC level
    2. Add enough chlorine to bring FC up to shock level (or a little higher)
    3. Repeat steps 1 and 2 as frequently as practical, but not more than once per hour, and not less than twice a day, until:
    • A. CC is 0.5 or lower;

    • B. An overnight FC loss test shows a loss of 1.0 ppm or less;

    • C. And the water is clear.
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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