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Thread: Help with Balance and Algae!

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    Help with Balance and Algae!

    Hi,

    First post and a very recent pool owner. I just got in my kit and most of my chemicals. I have bleach, baking soda, muriatic acid, and aqua chem stabilizer (100% cyanuric acid).

    First off, when I got home noticed a slight greenish tint which I'm sure means trouble. I did a test of all my components and got:

    pH: 7.6
    FC: 1.2
    CC: 1.5
    TA: 140
    CYA: 25
    CH: 80

    I know some of this is not good but I dont know where to start. I used the Leslie's FAS-DPD test. I think I need to shock my pool to kill the green but let me know!

    Thanks in advanced!

    Henry


    _______________________________________________
    22,000gal/ vinyl liner/sand filter (size?)/ 1.5hp pump/
    20,000 Gal Vinyl In-ground | Hayward Sandfilter | 1.5HP Hayward Superpump | Polaris 165 (Turtle for In-Ground)

    Liquid 8.25% Bleach: 64oz for $1.39 | South Carolina Heat | Borates: ~50ppm | CYA: ~35ppm

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    Join Date
    Jan 2009
    Location
    Cupertino, CA
    Posts
    1,966

    Re: Help with Balance and Algae!

    Quote Originally Posted by hleapha
    I know some of this is not good but I dont know where to start. I used the Leslie's FAS-DPD test. I think I need to shock my pool to kill the green but let me know!
    You are correct. The CYA is lower than we recommend, you might want to nudge that up over 30 as well.
    --paulr
    BBB "Intermediate Swimmer"
    IG plaster pool 18.5K gal, Hayward Pro-Grid DE filter, 3/4 HP Hydramax II; Polaris 380, 3/4 HP booster
    AG spa 325 gal, probably Sundance of some kind
    Water testing instructions on one page

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    Re: Help with Balance and Algae!

    Thanks for the confirmation. The only problem is I only had ~190 oz clorox to add. So I threw a 3" trichlor tab in the basket. I know those things arent recommended but the previous owner left me one. I added about 30 oz of stabilizer as well.

    We'll see how it does but I need to stop and get some bleach tonight. I just didnt get enough jugs during the $1.50 Chlorox special at Food Lion... doh!
    20,000 Gal Vinyl In-ground | Hayward Sandfilter | 1.5HP Hayward Superpump | Polaris 165 (Turtle for In-Ground)

    Liquid 8.25% Bleach: 64oz for $1.39 | South Carolina Heat | Borates: ~50ppm | CYA: ~35ppm

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    dmanb2b's Avatar
    Join Date
    Apr 2009
    Location
    NY
    Posts
    3,728

    Re: Help with Balance and Algae!

    If I'm reading your results right...you have 1.5ppm CC. Not sure how you got the 1.2ppm FC reading since the taylork2006 or TF100 measure FC in 0.2 and 0.5 ppm increments, respectively?

    Either way CC of 1.5 is bad news, if accurate you will need to raise your FC to shock level and keep it there until you experience an FC loss of 1ppm or less overnight.

    Good luck...let us know if you need more assistance.
    24'x52" AGP (13,500 Gallons), Intex SWG, (2)Solar Bear 4x20 panels, Hayward S220T Filter, 1/2hp Pentair Superflo

    Pool School, TFTestKits, Pool Calculator

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