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Thread: Very Low Chlorine Usage on a Nice Day with Lots of Swimmers

  1. Back To Top    #1

    Join Date
    Jun 2011
    Location
    Ridgefield, CT
    Posts
    73

    Very Low Chlorine Usage on a Nice Day with Lots of Swimmers

    We had a party at our house yesterday, so I raised our FC the night before in anticipation of the heavy swimmer load and the sunny, warm (85+) weather. My CYA is testing around 30-40, so I brought the FC to around 8, which is where it stood yesterday morning around 8 am.

    We had 10 kids and 6 adults in the pool, some for as long as 6 hours. So I figured, between the sunlight and all the swimmers, I would have burned up a lot of chlorine. Yet when I tested at 8 pm, I was still showing a FC of 6, with no CC. That really surprised me. All I use as chlorine is Chlorox. My pH tested at 7.5 yesterday. I have not added anything else to the pool for weeks.
    33,000 gallon plaster pool
    Jandy L-Series -CL580 Cartridge Filter

  2. Back To Top    #2

    Join Date
    Mar 2011
    Location
    Lower Bucks County,PA
    Posts
    65

    Re: Very Low Chlorine Usage on a Nice Day with Lots of Swimm

    It's a great feeling, isn't it!!
    12X24 Oval AGP +/- 7100 gal
    Clearwater 100 cartridge filter
    Hi-Flo 2sp 1hp pump

  3. Back To Top    #3
    Butterfly's Avatar
    Join Date
    May 2007
    Location
    South Carolina
    Posts
    10,045

    Re: Very Low Chlorine Usage on a Nice Day with Lots of Swimm

    You obviously have some very clean swimmers with excellent pool etiquette

    Oh, and good job on your part, too
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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