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Thread: No need for a bucket test...it's a leak (and pump issue)

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    rharlowjr's Avatar
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    No need for a bucket test...it's a leak (and pump issue)

    Have had a small leak (see below) that was progressively getting worse. Lost 1.5 to 2 inches of water overnight and I immediately shut down the pump (not running dry and still working) and turned on the hose.
    (EDIT: there is no apparent leakage --at the moment-- without the water circulating - so leak is at least intermittent)

    HOWEVER, while the pump was running fine when I shut it down - it only hums when I turn it back on.

    photos here @ snapfish:
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    Questions

    1) is it safe to assume the leak should be very close to where the water is coming out? (because I can't find a hole)
    2) How do I start trouble shooting this pump issue?

    Thanks in advance.
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Charlie_R's Avatar
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    Re: No need for a bucket test...it's a leak

    Can't view pics without creating an account. Any way to change that?
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak

    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Charlie_R's Avatar
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    Re: No need for a bucket test...it's a leak

    Much better.

    Judging by a few other leak threads I've read, you might want to put your goggles on and inspect the liner along the coping in the area. If you find nothing there, check the wall, then floor.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak

    Quote Originally Posted by Charlie_R
    Much better.

    Judging by a few other leak threads I've read, you might want to put your goggles on and inspect the liner along the coping in the area. If you find nothing there, check the wall, then floor.
    prelim checks led to nothing - couldn't feel or see anything notable

    Is it safe to assume I am looking in the right place if I'm looking (inside wall) within 5 feet in either direction of where it's presenting outside?

    I will do a more complete check this afternoon (including floor).
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Mod Squad zea3's Avatar
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    Re: No need for a bucket test...it's a leak

    Is the wet area anywhere near the skimmer or return?
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak

    Quote Originally Posted by zea3
    Is the wet area anywhere near the skimmer or return?
    halfway across the pool (or 90 degrees)
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Re: No need for a bucket test...it's a leak

    Do not post the same or similar question twice. I have deleted the other thread you started.

    Please add any additional information you wish but keep it under this thread.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Re: No need for a bucket test...it's a leak

    Check for tiny pinholes in the cove area (where the floor meets the wall). I have a leak, and that is what my problem is.
    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak

    Quote Originally Posted by JohnN
    Check for tiny pinholes in the cove area (where the floor meets the wall). I have a leak, and that is what my problem is.
    Will do - I will be focusing 5 feet in each direction and the height of the pool, then the floor and cove.
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak (and pump issue)

    OK - pump finally came on again this evening (after humming every time I tried it throughout the day), at this point I am not asking any questions

    however after not leaking all day (with the pump off) the water is escaping from the same spot (with it on)

    I have a theory

    I used a temporary "stop-gap" measure on a slow leak on the return, a few weeks ago I used some plumbers putty to seal around the return until I can replace it in the fall (I thought it worked ok and would last 8 to 10 weeks).

    Now I am thinking that instead of leaking below the return, the water is moving between the wall and liner starting at the return -- even though the the leak is presenting 10-15 feet away (about 90 degrees around the pool).

    Any thoughts on whether this is possible or even likely?

    Either way I think I may ve faced with replacing the return sooner instead of later.
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Charlie_R's Avatar
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    Re: No need for a bucket test...it's a leak (and pump issue)

    That is a possibility. You can try replacing the gaskets on the return.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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    rharlowjr's Avatar
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    Re: No need for a bucket test...it's a leak (and pump issue)

    Quote Originally Posted by Charlie_R
    That is a possibility. You can try replacing the gaskets on the return.
    it's a busted Aqua light - I figured just pull it all together - but will look at the gaskets first...I think I saw a thread that described using some patches as gaskets (or do they sell return gaskets by themselves?
    --Russ
    Brooklyn, CT

    AG round, 24' x 3.5' deep, 13k gal, vinyl-lined pool, sand filter--31.5 gpm, 1.0 hp pump

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    Charlie_R's Avatar
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    Re: No need for a bucket test...it's a leak (and pump issue)

    Replacement return gaskets are available.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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