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Thread: air in one return sometimes

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    rlefig's Avatar
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    air in one return sometimes

    Good morning, every once in awhile I notice air in my return closest to the pump. This only happens when the skimmer basket is full of leaves or when I vaccuum. I am not losing water and do not get air during "normal" operation.

    Any ideas?
    1971 Gunite 31x16 IG Kidney shape pool approx 18000 Gallons
    EcoFinish Blue Lagoon
    Sta-rite System3 S7M120 Cartridge Filter
    A.O. Smith 3/4 HP motor, starite pump
    TF100 test kit

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    duraleigh's Avatar
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    Re: air in one return sometimes

    This only happens when the skimmer basket is full of leaves or when I vaccuum
    Those two scenarios somehow allow for air to be sucked in on the suction side. The cure is....

    !. Keep the skimmer basket cleaner

    2. Reduce your flow to the vacuum head and it will likely stop sucking air.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    rlefig's Avatar
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    Re: air in one return sometimes

    Thanks Duraleigh, the gits I am getting from your email is that this is fairly normal? This has only happened a couple of times in the process of cleaning up the swamp
    1971 Gunite 31x16 IG Kidney shape pool approx 18000 Gallons
    EcoFinish Blue Lagoon
    Sta-rite System3 S7M120 Cartridge Filter
    A.O. Smith 3/4 HP motor, starite pump
    TF100 test kit

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    duraleigh's Avatar
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    Re: air in one return sometimes

    Yeah, perfectly normal when you are sucking in a lot of debris and somewhat common when you are vacuuming.

    Keeping the vacuum process "air free" will require a little trial and error on your flow but the difference should be readily apparent.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    rlefig's Avatar
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    Apr 2013
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    Reading, MA
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    Re: air in one return sometimes

    whats the best way of reducing flow when I vaccuum?
    1971 Gunite 31x16 IG Kidney shape pool approx 18000 Gallons
    EcoFinish Blue Lagoon
    Sta-rite System3 S7M120 Cartridge Filter
    A.O. Smith 3/4 HP motor, starite pump
    TF100 test kit

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