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Thread: CYA Correct?

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    lynzizzle's Avatar
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    CYA Correct?

    I tested my CYA and PH levels (7.6) last night and the CYA test said I was at 100. Is that possible? Or do I have a misreading? I haven't added any CYA in weeks (since at the end of my slam) and am having to add water every other day (weather or leak, I don't know at this point). And just for informational purposes, why do I go from having a good chlorine reading to 0 the next day? Especially with a reading of such high CYA.

    Should I just do a retest of everything this evening and see what results I get tonight? Needless to say, with a CYA reading that high I brought my FC up to 7 instead of holding at 5.

    PS: I love TFP! Have had NOTHING but a clear pool since my SLAM! Also, got the bill from the pool company from when they "opened" my pool and fought the bill and only agreed to pay for parts for the filter that they fixed, NO CHEMICALS (self explanatory), and the hour it took them to fix said filter. I won. They apologized. All is well. Never going back to pool store maintenance! EVER!
    Lynzizzle

    IG, 25k gal (est.), concrete free form, Hayward S-244T 300lb sand filter,
    well water, Pump: AO Smith 3/4 hp, VSpd: Unknown, Pool Age: Unknown
    Welcome to our OOL. Notice there's no "P" in it?

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    Butterfly's Avatar
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    Re: CYA Correct?

    I suggest you retest the CYA using the dilution method.

    Scroll down to Post #8 and item # 9 for directions: http://www.troublefreepool.com/threa...Kit-Directions
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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    lynzizzle's Avatar
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    Re: CYA Correct?

    Will do! I'll post results tonight.

    Quote Originally Posted by Butterfly View Post
    I suggest you retest the CYA using the dilution method.

    Scroll down to Post #8 and item # 9 for directions: http://www.troublefreepool.com/threa...Kit-Directions
    Lynzizzle

    IG, 25k gal (est.), concrete free form, Hayward S-244T 300lb sand filter,
    well water, Pump: AO Smith 3/4 hp, VSpd: Unknown, Pool Age: Unknown
    Welcome to our OOL. Notice there's no "P" in it?

  4. Back To Top    #4
    lynzizzle's Avatar
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    Jun 2014
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    Sharpsville, IN
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    Re: CYA Correct?

    This morning test result (yes I forgot, even after I jumped in the pool in my skivvies! LOL)CYA = 40.
    Lynzizzle

    IG, 25k gal (est.), concrete free form, Hayward S-244T 300lb sand filter,
    well water, Pump: AO Smith 3/4 hp, VSpd: Unknown, Pool Age: Unknown
    Welcome to our OOL. Notice there's no "P" in it?

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