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Thread: Calcium Hardness

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    meatloaf's Avatar
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    Feb 2008
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    Calcium Hardness

    Would I be correct to assume that calcium hardness is similiar to cya in respect that it will not get lower because the calcium does not evaporate therefore it will tend to rise eventhough the fill water has a CH level of 250?
    My pool is a 10,500 gallon (420 Sq Ft ) kidney shape. A hand made sheer decent waterfeature. STA-RITE HRPB30, Sand filter 30" 98 GPM,
    1 HP Maxi-Glas 2 pump, BBB Method, Taylor K-2005 test kit, 50 Watt 12V low-voltage pond light illuminates the pool at night for a nice soft glow.
    250 gallon stand-alone hot tub. Got it FREE!

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    Richard320's Avatar
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    San Dimas, CA (LA County)
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    Re: Calcium Hardness

    Yes.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    meatloaf's Avatar
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    Gilbert AZ
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    Re: Calcium Hardness

    Thanks, I figured that would be correct.
    My pool is a 10,500 gallon (420 Sq Ft ) kidney shape. A hand made sheer decent waterfeature. STA-RITE HRPB30, Sand filter 30" 98 GPM,
    1 HP Maxi-Glas 2 pump, BBB Method, Taylor K-2005 test kit, 50 Watt 12V low-voltage pond light illuminates the pool at night for a nice soft glow.
    250 gallon stand-alone hot tub. Got it FREE!

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    Re: Calcium Hardness

    How do I reduce hardness?

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    In the Industry

    duraleigh's Avatar
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    Apr 2007
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    Sebring, Florida
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    Re: Calcium Hardness

    How do I reduce hardness?
    A partial drain and refill (with less hard water) is about the only practical way.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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