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Thread: Maintain chlorine levels

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    meatloaf's Avatar
    Join Date
    Feb 2008
    Gilbert AZ

    Maintain chlorine levels

    Although I don't actually "close" my pool for the winter, how long and at what levels do I have to maintain the chlorine level?
    Currently the filter runs 2 - 1 1/2 hour cycles (6 AM & 9 PM) and my chlorine level is 2, adding 32 Oz of 6% per evening.
    Is there a minimum water temp where the fear of algae forming in the pool is lessened?
    My other tests are:
    FC 2
    PH 7.6 ( adding 5 oz of 31.5% each morning)
    CH 460
    ALK 105
    CYA approx 55
    CSI Index 0
    SALT 3200
    Water temp 68*
    I added salt to the pool this year just to see how I liked it. Maybe I can get a SWG next year if I can find a good one at a good price.
    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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    Join Date
    Mar 2007
    Coastalish 'down easter'

    Re: Maintain chlorine levels

    I'll leave the chlorine question to folks who could answer more completely than I.

    As for the temp question - below 60* the algae slows down quite a bit, below 50* you've gotta work to make algae grow
    Luv& Luk

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill a couple of libraries :-D

    POOL SCHOOL, TF Testkits, Jason's Pool Calculator, CYA vs. cl chart, (Just a few DARNED handy links!)

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

    Re: Maintain chlorine levels

    Is there a minimum water temp where the fear of algae forming in the pool is lessened?
    My anecdotal experience indicates it is sort of a sliding scale......the lower the temp, the less chance of algae.

    Probably starts slowing down a little in the 70's and perhaps close to non-existent in the 40's. I have had algae in my pool with water temps in the 40's, however.....just not very much and caused by complete neglect on my part.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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