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Thread: Filtering through Main Drain without skimming

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    langerking's Avatar
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    Jul 2013
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    Clermont, Florida (that's near Disney World)
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    Filtering through Main Drain without skimming

    Since I need to dilute my CYA infested pool, I am draining down every day to below the skimmer and I am filtering through the main drain only. I am doing it gradually because I want to use rain water (I diverted one of my gutters) which has a pH of ~7.4 rather than my tap water (pH <6.8)

    Obviously the floating debris will just circle around but other than that does this prevent any problems to operate like this for maybe a week? How long before not skimming starts to cause any problems?
    1) 21,000 gallons
    2) DE
    3) IG (in ground)
    4) Vinyl
    5) Hayward 1.5 hp DE 3600 72 GPM

    Taylor K-2006
    STA-RITE Great White GW9500

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Filtering through Main Drain without skimming

    Mid-summer that should be fine for a week. You will get a little more debris settling to the bottom than you are used to, but it shouldn't be difficult to keep up with.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    langerking's Avatar
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    Re: Filtering through Main Drain without skimming

    Well it is going to be a lot longer than 1 week if I rely exclusively on rain to fill my pool. We are just not getting significant rain amounts and the rains have been really short in duration as in 5 or 10 minutes. I only took the water level down about 8 inches and in 5 days it still hasn't filled up. Its irritating because earlier this month the pool was overfilling and required multiple pump outs. This was before I diverted water from one of my downspouts into my pool. I may have to revert to well water if I want to get this CYA diluted any time soon.
    1) 21,000 gallons
    2) DE
    3) IG (in ground)
    4) Vinyl
    5) Hayward 1.5 hp DE 3600 72 GPM

    Taylor K-2006
    STA-RITE Great White GW9500

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    Join Date
    Jun 2013
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    Huffman Tx
    Posts
    190

    Re: Filtering through Main Drain without skimming

    that's why they have pole skimmers

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