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Thread: New pool - hungry for chlorine

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    Join Date
    Jun 2016
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    NE Arkansas
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    New pool - hungry for chlorine

    Just jumped into pool ownership about a week ago when we closed on new house. I had no idea what went into pool maintenance, but luckily had a buddy that had recently found site and kindly directed me here! I spent the week or two before move in reading up in between packing, and was able to order a kit and get prepared for the new challenge. Anyway, I wanted to start my own thread as I found the previous SLAM threads pretty inspiring, and I have loved following people's journeys to clear waters!

    Luckily, when I got the first test results after the move, CYA was not obscene, which was my biggest fear given the pool is about 3 years old. I has been chewing through chlorine like mad though. Admittedly though, I have put off a SLAM for a couple days because the water is clear blue. I am buckling down though and hopefully can get this thing done in 24-48 hours given the current clarity. Here's initial test after some adjusting to prepare for SLAM:

    pH 7.2
    FC 0.5
    CC 2.0
    CYA 30
    TA 80
    CH 170

    That was last night prior to ONCL test. I bumped FC up to 14, which I confirmed about an hour after adding. This morning I slept in, but luckily was overcast day. At 0900, the FC was back down to 2! I don't think the 2 hours of overcast sky probably contributed much to the drop, though correct me if I'm wrong.

    This morning I have increased FC again from 2-->14 at 0900. Retest at 1100 showed FC 10, and I've increased to 14 again. CC has been <0.5 all morning btw.

    Will give update and hopefully photo later if I can get that figured out! Thanks again for all the amazing info and support on the site! Will become contributor soon.
    ~28000gal IG vinyl liner (20'x35' rectangular), Pentair Maxpro 1.5hp, Pentair Triton II sand filter
    Polaris 280 with booster pump, Taylor 2006c with TFT refills

  2. Back To Top    #2
    Mod Squad kimkats's Avatar
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    Re: New pool - hungry for chlorine

    YUMMMMMMMMMM says your pool! It IS hungry! WOW!

    What an awesome first post. The ONLY thing missing is............pics! LOL Here is a how to:

    How to add pictures to a post (full guide with screenshots))

    I can't wait to see it!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: New pool - hungry for chlorine

    Okay, updated after brushing after lunch - FC 15.5 (overshot a little). Photos hopefully will also show up with this one




    Deep end shot



    Steps

    ~28000gal IG vinyl liner (20'x35' rectangular), Pentair Maxpro 1.5hp, Pentair Triton II sand filter
    Polaris 280 with booster pump, Taylor 2006c with TFT refills

  4. Back To Top    #4
    Mod Squad kimkats's Avatar
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    Re: New pool - hungry for chlorine

    Let me guess! You bought the house for the POOL! LOVE the slide! I think I see kid things! I bet they are just chomping at the bit to get in!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: New pool - hungry for chlorine

    Yes it was definitely a huge selling point for us. We have two young kids that are going to enjoy the pool for many years! They were the hard part about convincing everyone we needed to take a couple days break.

    Back to the chemistries, the FC was just 7.5, CC 0. Added enough to hopefully bring back up to 14.

    Question I have right now is whether there is any positives or downsides to leaving the Polaris running continuously right now? I just checked it and there was a bit of sand and grass clippings that it picked up, but even this was maybe a marble sized amount.
    ~28000gal IG vinyl liner (20'x35' rectangular), Pentair Maxpro 1.5hp, Pentair Triton II sand filter
    Polaris 280 with booster pump, Taylor 2006c with TFT refills

  6. Back To Top    #6
    Mod Squad kimkats's Avatar
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    Re: New pool - hungry for chlorine

    Of that I am not sure......... it is picking up all of the dead algae as you clear your pool and it is also helping circulate the water so.........BUT does it also not allow the dead algae to fall to the bottom to be picked up? It is one of those 6 of one and half a dozen of another type of things.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: New pool - hungry for chlorine

    I'd get the SLAM started right away. That CC number is really high!
    20K gallon vinyl inground pool, Hayward Pro Series sand filter, 1 HP pump, Taylor K-2006

  8. Back To Top    #8

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    Re: New pool - hungry for chlorine

    You might want to close that auto-cover about a half-hour after an FC add. Sometimes it can harbor a little algae underneath.

  9. Back To Top    #9

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    Re: New pool - hungry for chlorine

    Didn't get to test until later on in the evening. FC had fallen to 5 this time. Added enough chlorine to take back up to FC 14.

    Day 1 total 10% chlorine - 10 gallons

    Fell to 5 again from overnight as of 0700, and I have bumped back up to 13 with 2 gallons 10%...trying to stay patient though with clear water it's crazy that I am requiring so much bleach!

    I haven't used the auto-cover at all yet. Is this in contact with the water at all or is the concern to sanitize it so it doesn't cause problems next time it's used?
    ~28000gal IG vinyl liner (20'x35' rectangular), Pentair Maxpro 1.5hp, Pentair Triton II sand filter
    Polaris 280 with booster pump, Taylor 2006c with TFT refills

  10. Back To Top    #10
    Mod Squad kimkats's Avatar
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    Re: New pool - hungry for chlorine

    I think she was thinking there might be some algae ON the cover so it needs to be cleaned as well.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

  11. Back To Top    #11

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    Re: New pool - hungry for chlorine

    Yup, Kim's right. Also, I like to roll it back up after it has been exposed to higher FC water. The water that gets trapped in the roll is less resistant to bad stuff growing in there.

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