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Thread: Closing? in California - Bay Area

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    kne's Avatar
    Join Date
    Jun 2015
    Concord, CA

    Closing? in California - Bay Area

    Do those of you in the Bay Area close your above ground pools? The weather fluctuates from under 60 to over so much that I am not sure what the proper procedure would be. This will be the first year of closing, I was planning on balancing, shocking, putting on the cover. Since there will be many days over the winter that are over 60, and a couple where the temps are in the low 40's (brrrr, I know) should I still remove all the equipment drain to under the strainer, etc? Or am I risking an algae bloom because of the warmer winters we may have?
    18' x 48" Intex ultra frame, above ground. Filter with add on SWG

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    Isaac-1's Avatar
    Join Date
    May 2010
    SW Louisiana

    Re: Closing? in California - Bay Area

    Many people in warmer climates such as yours keep their pools open all year round, and just run in a semi-dormant mode in the off season, you will find that when the water temperature drops below about 60 degrees that the chlorine consumption will drop considerably if you have the pool covered.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from
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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Closing? in California - Bay Area

    I wouldn't close here. I never do. You would probably end up with a mess to clean up.

    However, that doesn't mean you don't need to make some modifications in how you run the pool. As the sun gets lower in the sky and temperatures drop, you won't need to add as much chlorine. Run time can be reduced a lot too if you don't care about leaves on the bottom of the pool.
    Hydraulics 101; Pump Ed 101; Pump and Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater, ThePoolCleaner

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    TFP Guide

    Join Date
    Jul 2015
    Central Valley CA

    Re: Closing? in California - Bay Area

    I did not close last year, pool was finished in late Oct my chlorine consumption was about a gallon a month if I recall correctly and being new I over did it a couple of times. I also noticed when it got cold my CSI was more in range running the pH on the high side of the recommended range. There were a few nights below 30 but never long enough that anything froze. I did wrap the pipes for insurance but I don't think it was necessary.
    12,300 Gallon, IG PebbleFina, built Oct 2015, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac z4 control panel W/iAquaLink, 10GPDStenner for chlorine, 3GPD Stenner for MA, TF-100.

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