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Thread: 100,000 gal pool

  1. #41
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    Smile Re: 100,000 gal pool

    What parameters are we looking for to be able to swim in the pool? It is not clear at the bottom of the deep end yet.

    It's looking so much better, thank you so much!
    90k gal concrete pool, Pentair DE FNS+ 60. Pentair Whisperflo 2 spd. PF=1.4

  2. #42
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    Default Re: 100,000 gal pool

    Chlorine = to 10% of CYA level; pH between 7.0 and 8.0; no slime.

  3. #43
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    Default Re: 100,000 gal pool

    Also be concerned with cloudy water. If you can't see a swimmer on the bottom, you can't rescue him.
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

  4. #44
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    Default Re: 100,000 gal pool

    Ok, thanks.
    90k gal concrete pool, Pentair DE FNS+ 60. Pentair Whisperflo 2 spd. PF=1.4

  5. #45
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    Smile Re: 100,000 gal pool-it's clear now!

    My pool is clear!


    Thank you, thank you!

    To make sure it stays clear, please clarify what we need to do from this point. We have Cal-hypo and dichlor
    We're adding a gallon of 8% bleach after swimmers.
    90k gal concrete pool, Pentair DE FNS+ 60. Pentair Whisperflo 2 spd. PF=1.4

  6. #46
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    Default Re: 100,000 gal pool-it's clear now!

    Looking at these results:
    Code:
    7/27/2014 18:30:00	32 psi	
    K2006: 10.2, 1.0, 7.5, 140, 430,30	
    blue	crystal clear	No odor	No algae	crisp, clean
    Brushed pool, Vacuumed pool, Cleaned filter, Added chemicals
    It looks like your water is in excellent shape, so:

    1. Maintain 2 - 5 ppm of FC

    2. Cal hypo is fine, but ONLY if you add it via the skimmer. Also, if you use cal hypo, you must let the pH 'float', unless it goes above 8.0

    3. Your CYA is low enough, so that you can also use trichlor. You might want to use trichlor in a floater, to maintain a constant feed, and dose with cal hypo in the evenings to boost chlorine levels.

    Note that trichlor and cal hypo must NEVER come into direct contact.


    4. You asked about paying -- if you'd like to do so, we'd certainly welcome a subscription: http://pool9.net/subscribe/

    Thanks!

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