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Thread: Testing Fill Water

  1. Back To Top    #1

    Join Date
    Jun 2015
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    Mandeville, LA
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    Testing Fill Water

    In anticipation of actually being able to fill my new pool I tested (with my TF 100) my tap water today to see where I will be starting from. Here are the results.

    Chlorine .05-1
    PH 8.2+ (quite a bit brighter pink than the scale)
    Calcium Hardness 0 (was blue before adding third reagent)
    Tatal Alkalinity 200

    So Where does this put me? I imagine the calcium hardness and PH will change a bit once the water is in the pool and reacting with the plaster etc.
    Completed April 2016: 22x36 3.5-5.5-4 Inground, 17,500 gallons, Aquapure SWG, Jandy 2hp Variable Speed, Jandy 460 Cartridge Filter, Polaris 280, Aqualink PDA4, Jandy Nichless LED lights, Diamondbrite color Steel Blue, Noche Travertine Coping & Deck

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    Richard320's Avatar
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    Re: Testing Fill Water

    Doublecheck that CH test. There are three reagents, not two. If it was sky blue before you added the third, then you have exceptionally soft water and you'll need to add some Calcium. Actually, the builder will. But doublecheck that test.

    As you fill and get things circulating, you'll likely find pH will climb even more, not that you'll be able to tell if you're already off the scale. Expect to need a whole lot of acid.

    That being said, you won't be able to do a whole lot in the beginning because typically the builder does the initial balancing and anything you do beyond that might be enough cause for the builder to void the warranty.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
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    Mandeville, LA
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    Re: Testing Fill Water

    The CH test was right. I mistyped. It was blue immediately after the second reagent. Didn't add the third. Our water is very soft.

    My builder has been great. I expect they will get things in balance and turn over a pretty descently balanced pool after the first month. That being said I will still be testing and logging results from day 1.
    Completed April 2016: 22x36 3.5-5.5-4 Inground, 17,500 gallons, Aquapure SWG, Jandy 2hp Variable Speed, Jandy 460 Cartridge Filter, Polaris 280, Aqualink PDA4, Jandy Nichless LED lights, Diamondbrite color Steel Blue, Noche Travertine Coping & Deck

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    Texas Splash's Avatar
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    Jun 2014
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    Re: Testing Fill Water

    WyattEarp, you may have already seen THIS PAGE. As Richard already mentioned, you'll follow your builder's guidance for the break-in period. But some folks find this info nice to have in the back pocket as "FYI". As for the soft water ....... I have to ask a silly question because it's happened before ....... the soft water you tested. No chance the water source was tied-in from a water softener was it? Like I said, I only ask because it's happened before.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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  5. Back To Top    #5

    Join Date
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    Mandeville, LA
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    Re: Testing Fill Water

    I have read the page on break-in thanks. And no water softener at the house but thanks for the warning.
    Completed April 2016: 22x36 3.5-5.5-4 Inground, 17,500 gallons, Aquapure SWG, Jandy 2hp Variable Speed, Jandy 460 Cartridge Filter, Polaris 280, Aqualink PDA4, Jandy Nichless LED lights, Diamondbrite color Steel Blue, Noche Travertine Coping & Deck

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    Patrick_B's Avatar
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    Re: Testing Fill Water

    I'm not surprised to hear about water that soft in LA. Having it gives you the possibly nice option of using Cal-Hypo for a Chlorine source which you might want to explore.
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