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Thread: Pool Leaking

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    Pool Leaking

    Well I decided it was time to fill my pool up for the summer (live in Phoenix, AZ and its already upper 90's and low triple digits), and I noticed that my pool was leaking. There was tons of water on my tarp surrounding my pool. I have an above Intex ground 16'x4' pool, steel frame. I lost 1 inch of water in nine hours over night (temps at night are high 60's currently). I got in the pool and skimmed the bottom very slowly with a mask for about an hour trying to locate any air bubbles, which would hopefully show a possible hole in the liner. I found nothing! I drained the pool to about 3 inches remaining and I shop vac'd the water around the outside of my pool (on the tarp) and noticed there was no more leaking. After letting the sun dry the rest of the water on the tarp, I filled the pool to about 8 inches deep and noticed no leaking. So I filled it up just short of 1/2 way and I noticed the pool began leaking again. I checked the outside layer of the pool and found no indication of water on the sides. I am at a loss as to why it is leaking. I called my local Pool Company and they said a Dye Test might work, but said the water would leak regardless of 3 inches or 48 inches in the pool if the bottom had holes. So I am holding off on a dye test.

    No seams are damaged
    No water or wetness on the pools outside walls
    No air bubbles
    No leaks around the pump hookup areas (inside and out)
    Can't see any hole(s) on the bottom that would allow 1 inch/9 hours of water loss

    Any ideas? thanks

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    Join Date
    Jun 2011
    Location
    Northeast Ohio USA
    Posts
    178

    Re: Pool Leaking

    Not sure, but I would guess the answer lies between that 8 inch and the 23 inch mark. We had an inflatable intex a few years back and the plastic pump lines got baked by the sun and cracked after a bit causing water to leak whether the pump was running or not.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

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    Re: Pool Leaking

    Well I just got out of the pool and again saw no signs of leaking (air bubbles or ripped seams). Wife and I walked around the outside of the pool and saw no water from the 8-23 inch water line. I pushed around the seams under water and found no air bubbles or evidence of the seam are ripped. All my plumbing to and from the pump are solid, no leaking around them. I am racking my brains on this! No leak detection method is working.

    I don't want to call a Pool Guy out to my house as it would probably cost me around $200 and the pool was only $250. I am assuming the Intex brands of pools are junk more or less?

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    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
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    30,083

    Re: Pool Leaking

    Let it leak down until it stops. You will likely have some water loss (1/4 inch or so) due to evaporation but let the water level find the level of the leak for you.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
    Jun 2011
    Location
    Northeast Ohio USA
    Posts
    178

    Re: Pool Leaking

    We had our intex less than two years. The liner held up during that period but it was the inflatable ring type, and the ring started losing air, and when unchecked, caused the walls to collapse. Got tired of refilling with water (after each collapse) and refilling with air (every other day). Not exactly sure how the steel frames work but I would imagine the liner fits inside the frame, so it is possible a small tear in the liner would cause water to leak out in the space between the liner and frame. You would not see the leak on the frame itself, until it ran out along the bottom, but maybe I am picturing it wrong. So I think as Dave said, find the height of that tear (using the water level at which the leaking stops) then go around and inspect the liner wall at that height.

    Not sure you will ever see any air bubbles due to the water pressure involved.
    Vinyl In-Ground (vinyl) - about 21600 gallons (18x32 Grecian)
    Hayward DE (model 7220?) filter with Multiport valve
    Challenger Hi Flo Pump (3/4 HP)
    Intex SWG
    leaky/non-functioning Raypak Versa Natural Gas Heater *removed*

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    mcoonan's Avatar
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    Aug 2008
    Location
    Mendota Heights, MN
    Posts
    292

    Re: Pool Leaking

    Fill it up 1/2 way, dry the sides and tarp. And watch for where the water is coming from. If from the side you will see a stream/trickle down the side. If it from the bottom, you will see it seep out on the general area of the leak on the tarp. If on the side you can patch it when you find it. to find the leak on the bottom will take doing the dye test or drain the pool, and put it up on chairs (each leg goes on a chair or bench) so you can crawl under it and when you see the pinhole (do it on a sunny day) you will have found your leak. Before starting this though, make sure that you check your drains. I thought that I had a leak when filling last year, but found that the drain was not fully capped.
    Intex Ultra 18' x 52" AG 6,981 Gal.
    3 - 2'x20' solar panels
    Hayward XStream 1500 Cart Filter
    Hayward 1-1/2 HP 2-speed Superpump
    Aquabot Pool Rover
    2-Softub 300 hot tubs (yup just got one for the lake)
    TF Test Kit Doing the BBB for 7 years
    Medota Heights,Minnesota

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    Samantha Sabrina's Avatar
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    Apr 2012
    Location
    Bloomsdale, Mo
    Posts
    346

    Re: Pool Leaking

    Is it possible that rain water gathered under the liner over the winter and when you started filling it up that rain water got pushed out?
    Samantha

    In the process of building for a 22' Intex Ultra Frame, (completion date up in the air at this point).
    We could not beat our backyard into submission so we "Buried It".

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    Join Date
    Feb 2012
    Location
    Greenville Indiana
    Posts
    35

    Re: Pool Leaking

    There is a thread lurking about somewhere here where someone droped an above ground liner into the same pool.
    27' x 54" Cameo by Backyard Leisure (Wilbar) 17,200 gallon
    Hayward S180T filter with a 1.5hp pump
    Zodiac Barracuda Ranger vacuum
    GLI fencing around top rail
    All piping hard piped (that is what I do far a living!)
    six 2'x20' solar panels

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