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Thread: Air Bubbles

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    JohnnyT's Avatar
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    Air Bubbles

    I'm new to TFP and have enjoyed it's wisdom and advice. I hope somebody can help me with a problem that has recently developed in our pool. There are small air bubbles coming from the return line into the pool. I've checked all of the fittings and connections from the skimmer, through the pump and filter, and haven't found anything loose that might be sucking air. There aren't a lot of bubbles, but there weren't any just last week. Any suggestions would be greatly appreciated.
    12K, 21' Round AG, 52" Deep, Vinyl
    Hayward EC 30-DE filter - 1 hp Hayward Power Flow LX pump, 40 GPM
    Hayward AquaBug Pool Cleaner

    You must give some time to your fellow men. Even if it's a little thing, do something for others - something for which you get no pay but the privilege of doing it.
    Albert Schweitzer

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    Re: Air Bubbles

    Good job trying to pinpoint the source of the air. Still sounds like you have some sort of suction side leak. If you're sure that your strainer basket lid is snug (common culprit), you might be able to isolate it to a valve gasket.
    10K gallon IG gunite with waterfall; Pentair CC320P filter; WhisperFlo 2 HP pump
    TF Test Kits - Pool Math - Pool School
    "It depends."- JohnT

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    duraleigh's Avatar
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    Re: Air Bubbles

    Welcome to the forum!

    There is a drain plug(s) on most pump strainer baskets down near the bottom. Sometimes those can work loose and cause a suction leak.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    launboy's Avatar
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    Re: Air Bubbles

    Do you have bubbles in the pump strainer basket?

    Have you done the hose test? Where you hold the hose over each connection and let the water run over it until the bubbles stop. The connection that makes the bubbles stop is the leaker.

    HTH,
    Adam
    18' x 42" Intex Easyset Pool, with 16' x 52" deep end in the middle. Approx. 5500 Gal.
    Hayward Power-Flo LX 1 HP, 100# Jacuzzi Brand Sand Filter(Piped underground so it looks nice) 8)
    3 - 2' x 20' Solar Pool Heater Panels(roof mounted)
    Goin' on 9 summers...NOBODY thought it would last this long.
    Buried Portable Spa sharing pumps and water with pool (Almost complete project)

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    JohnnyT's Avatar
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    Re: Air Bubbles

    Thanks to all who posted a reply, I need all the help I can get! And a BIG THANKS to 257WbyMag. I didn't think the o-ring on the strainer cover looked bad before, but after reading your post and re-checking I discovered that it was stretched out. Relaced and no more air bubbles!
    12K, 21' Round AG, 52" Deep, Vinyl
    Hayward EC 30-DE filter - 1 hp Hayward Power Flow LX pump, 40 GPM
    Hayward AquaBug Pool Cleaner

    You must give some time to your fellow men. Even if it's a little thing, do something for others - something for which you get no pay but the privilege of doing it.
    Albert Schweitzer

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