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Thread: quick CC question

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    Defgufman's Avatar
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    quick CC question

    My CC went up from 0 on Sunday to 0.2 tonight. My FC dropped from 8 to 6.4 overnight, but we had a high of 86 and people have been swimming regularly. Also the pool is in direct sun until around 6. I'm not worried, just wondering if that sounds normal or is that the canary in the mine. I guess my real question is, when you see an increase can you just increase the FC double the CC to combat it early rather than wait for a SLAM later.
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

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    Mod Squad jblizzle's Avatar
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    Re: quick CC question

    If the CC is not more than 1 drop ... it is nothing to worry about.

    Use 10ml of water so each drop is 0.5ppm.
    Jason, TFP Moderator
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    Re: quick CC question

    Just curious how you came up with .2 for your CC?

    Its either 0, 0.5, 1, 1.5 and so on with the recommended test kits.
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    Patrick_B's Avatar
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    Re: quick CC question

    He was using a larger sample. It has a different multiplier.
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    Mod Squad jblizzle's Avatar
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    Re: quick CC question

    To be a little more verbose ....

    If you use 25ml of water (as the K-2006 suggests), each drop is 0.2ppm
    If you use 10ml of water (as the TF-100 suggests), each drop is 0.5ppm ... this is plenty accurate and saves a lot of reagent.
    Jason, TFP Moderator
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    Defgufman's Avatar
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    Re: quick CC question

    Thanks, I will start using the .5. To test my theory I added slightly more bleach to not only bring the FC to the recommended amount, but add a bit more essentially I figured double the CC and today I'm at 0 CC.
    Inground 13,200 gal Vinyl, Pentair 3/4 hp pump, Pentair Sand Dollar filter, Polaris 280

    Pool School, Pool Math, CYA to FC ratio chart, Testing Kits

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    Mod Squad jblizzle's Avatar
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    Re: quick CC question

    Doubling the CC was just a coincidence ... the CC may have been removed by the sun.
    Jason, TFP Moderator
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    Re: quick CC question

    Quote Originally Posted by jblizzle View Post
    To be a little more verbose ....

    If you use 25ml of water (as the K-2006 suggests), each drop is 0.2ppm
    If you use 10ml of water (as the TF-100 suggests), each drop is 0.5ppm ... this is plenty accurate and saves a lot of reagent.
    Hmmm. Learn something new every day.
    24'x54" 15k AG round - Outback Genesis
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