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Thread: Happy Pool Opening Season! FC, TA & more oh my!

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    Happy Pool Opening Season! FC, TA & more oh my!

    Hi all! Back for another season here - just received our test kit100 refills, yay! This will be the 2nd year of our "new" SWG pool.

    So we may be having a chlorine issue here but I'm not too sure. We opened 7 days ago to sparkly water and the pool co. was impressed. They dumped 6 bags of shock, some CH and then we just added 120 lbs of salt (we were very low). Right now we read at:

    FC 2 - yesterday it was 1
    CC 0 - yesterday it was 0
    TC 2
    TA 70
    CH 350
    CYA 40
    Salt 2900

    It seems as though we may be on the FC rise but I am wondering if we should start dumping bleach? The SWG is now set to 50% and there is a very faint smell of chlorine in the air when you get close to the water. We also did a super-chlorinate 3 days ago and had a huge bounce; which as you can see fell back again.

    Thanks
    Maggie
    21x40 - 28000 gal Kidney w/swimout, bench, Aqua Comfort Heat Pump, AquaRite Plus SWG, LED, White plaster/blue tiling, Cartridge Filter, 1hp pump, Polaris 380

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    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Happy Pool Opening Season! FC, TA & more oh my!

    It seems as though we may be on the FC rise but I am wondering if we should start dumping bleach?
    I don't think you need to shock or add bleach but simply monitor your FC. If it continues to go up, dial down your SWG. With crystal clear water, you are off to a flying start! Nice work!
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    JasonLion's Avatar
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    May 2007
    Location
    Silver Spring, MD
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    37,879

    Re: Happy Pool Opening Season! FC, TA & more oh my!

    The key thing is to raise your CYA level to the recommended 70 to 80 range. Once you do that you will be able to maintain a much better FC level. In the mean time you can either turn up the percentage or add bleach manually.
    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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