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Thread: Getting the pool back in shape

  1. #1
    mogwai is offline ** No working email address ** mogwai 0
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    Default Getting the pool back in shape

    Last year this site was a godsend for my new pool owner woes. I'm back this year, trying to get the pool back in shape. I've got a Taylor test kit and need to get my pool in order

    So Chlorine is low, water is cloudy and summer is here already in TX. I will be spending the week sanitizing the water, but have really low pH...not sure if I should try to fix both at the same time? Any suggestions on where to start?

    So, i've got a 10k g in ground concrete pool

    FC 1.5, TC 1.5
    pH 7.0 (base demand test took 3 drops)
    TA 125
    CYA 40
    Calcium Hardness 425 (we are on a well in the country in TX...hard hard water...)

    So my focus was going to get the chlorine up and kill the lingering algae, but the pH is low and I need to get it up.

    Should I focus on the pH first then shocking the pool or can i get them both working at the same time.

    Any other feedback?

    Thanks.

    t

  2. #2
    BigDave's Avatar
    BigDave is offline Lifetime Member Whizbang Spinner BigDave 3 stars BigDave 3 stars BigDave 3 stars
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    Default Re: Getting the pool back in shape

    It may be best to get the pH in range before raising FC to shock level as shock level FC can cause falsely high pH readings.
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

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    mogwai is offline ** No working email address ** mogwai 0
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    Default Re: Getting the pool back in shape

    Thanks. I was going to use Mule Team Borax...the Taylor test kit gives instructions on how to use Soda Ash to raise pH. Any suggestions on how much Borax I should add to raise the pH from 7.0 to 7.6?

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    BigDave's Avatar
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    Default Re: Getting the pool back in shape

    About half as much Borax as Soda Ash. It's hard to calculate pH change but the Acid / Base demand tests give a good idea how much adjustment is needed. Generally, I'd say put in a half a box, let it dissolve and mix and see where that gets you.
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

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