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Thread: Chlorine Consumption

  1. Back To Top    #1

    Join Date
    Jul 2010
    Pt. Arthur, TX

    Chlorine Consumption

    So let's say on a normal day my pool consumes 2 FC a day. That is a function of CYA & organics in my pool right?

    If I have a CYA content of 40 ppm, according to the chart, my target should be 5 ppm FC with a minimum of 3 ppm.

    If I were to shock my pool, get the FC up to 16 ppm, could I assume the pool will consume the same 2 ppm/day if there isn't anything in particular going on in my pool, no algae, no additional use?
    Custom Cloud shaped 19'x35' - Raised Spa 6' diameter
    Rainbow 320 Inline Chlorinator - Paramount Clear O3 Ozone Generator
    Hayward C4025 Cartridge Filter (Hayward CX880XRE) - Hayward Tristar 2 speed pump
    Hayward H400Fdn Heater, Hayward GVA-24 (valve actuators)

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Chlorine Consumption

    No, it will consume more. Based on several variables, you lose a percentage of your chlorine daily. So (and this is a VERY rough example that doesn't account for MANY factors and it is practically worthless other than as a demonstration) if your daily loss is 20%, you lose 1ppm if your FC is 5 or you lose 4ppm if your FC is 20.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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