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Thread: My pool, "The Bleach Beast"

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  1. #1
    jmjbj_h Guest

    Default My pool, "The Bleach Beast"

    I am in need of assistance from all of your combined wisdom. I cannot seem to tame the bleach eating beast that is my pool. Here is the story. I have a 17,280 gallon vinyl lined inground. Last year I was "duped" into the money pit that is Baquacil What can I say, it was my first year as a pool owner and I didn't know better. Up until Mid-June this year I was using Baquabeast until I made the investment in a new liner and sand filter (over 10 years old and very much due.) Prior to the change I was experiencing severe green algae and very hazy water that I could not tame no matter the amount of algecide and shock.

    Needless to say, after the refill I started on BBB and have been overwelmed by the improvement in my water quality. I am using a Taylor FAS DPD to track my progress 1 to 2 times a day, adding bleach at night and testing in the morning. I have a opaque diamond 12 mil cover and the pool is 4.5 deep. I am losing about half my FC a day and little to none at night. My filter runs a night for 10 hours. I am putting a least a bottle a day in and the weather is 80 to 90 and sunny. Bather load is average and seems to have little affect on my FC.

    I have two possible conclusions: (1) My solar cover is letting two much light in during the day, especially since I have a shallow pool. (2) I am fighting the residual Baquacil that could be in the piping, if that happens.

    Is it too much to keep adding 3 qts a day?

    Tonight
    FC 2.0
    CC 0.4
    CYA 40
    PH 7.6
    CA 110
    TA 110

    This morning
    FC 5.4
    CC 0.2
    CYA 40
    PH 7.6
    CA 110
    TA 110

    Thanks,
    Joe

  2. #2
    Join Date
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    Default Re: My pool, "The Bleach Beast"

    We'll see what the experts say, but I think you're fighting something. You CC is never zero. You say you're not losing any CL over night, but I'm not so sure about that..

    I would raise to shock level for at least one night (until it holds) and see if that does it.

    Are you sure your CYA is 40? Was it confirmed by two places? (maybe you and a pool store?)

    Robert

  3. #3
    jmjbj_h Guest

    Default Re: My pool, "The Bleach Beast"

    Thank you for the response. I am at odds with the local pool stores and am stubbornly boycotting them. I have made it my mission to let everyone know about the "pool store chemical trap." Anyhow, I have taken my Cya 3 Times and each result has been the same. I took into account my vision and had my wife do it also. They all came out right around 40. I used the bleachcalc to figure how much acid to add in pounds since that was the number I was targeting.

    I shocked last night after my post and will see later what reading I get.

    Joe

  4. #4
    Watermom's Avatar
    Watermom is offline SuperMod Emeritus Quark Inspector Watermom 4 stars Watermom 4 stars Watermom 4 stars Watermom 4 stars Watermom 4 stars Watermom 4 stars
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    Default Re: My pool, "The Bleach Beast"

    It is not unusual to add 3 quarts per evening. I have a 24 ft AG (approximately 13,500 gallons) and I typically add 2 quarts per evening and my cya is around 40ish. (Sometimes I add 3.) With your increased volume, I don't think 3 quarts sounds excessive.

  5. #5
    Join Date
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    Default Re: My pool, "The Bleach Beast"

    With 17,280 gallons, 3 quarts is 2.6 ppm per day of Cl lost. I lose 2 - 3 ppm per day from my pool, and it's 36,000 gallons, so that's one big jug of Cl (1.42 gallons) per day...

    I read someone else posted on here the other day that they thought 2 ppm per day was normal.

  6. #6
    aylad's Avatar
    aylad is offline SuperMod Emeritus Burfle Ringer aylad 4 stars aylad 4 stars aylad 4 stars aylad 4 stars aylad 4 stars aylad 4 stars
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    Default Re: My pool, "The Bleach Beast"

    You might try raising your CYA a little and see if that slows your chlorine consumption.

    One thought--when you finished your Baq conversion, did you change your filter media? If not, you probably still have Baq gunk in the filter...


    Janet

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