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Thread: Leak Detection

  1. Back To Top    #1

    Join Date
    Aug 2014

    Leak Detection

    First post in the forum, but I have been lurking for a while. I just diagnosed and fixed my salt water chlorinator by soldering a new rush current limiter to the board, thanks to helpful posters here.

    So, to the current issue. I have water leaking at a pretty good rate. It is not evaporation. It leaks when the pump is on, but does not at all when the pump is off. It stops at the level of the skimmers, but I think that is because the pump cannot get any water at that point to force it through the return lines which I believe to be the source of the leak. First off, could it be anything other than a return line. Second, is there any way that I can test the return lines.

    A little info. I cannot dig to any point around my pool. The concrete on both sides where I have returns and skimmers goes up to retaining walls. One wall is above the pool grade and the other is below. I believe the concrete will have to come up to fix this issue. Also, the leak happened or became significantly worse about 1 week ago. I now have to add about 3 inches of water a day to keep up. Before a week ago, I added water every 2 weeks or so.

    Thanks in advance for taking a look

  2. Back To Top    #2

    Join Date
    Aug 2010
    Dallas, TX

    Re: Leak Detection

    The most common place for a pool leak is at the skimmer.

    First, I recommend a bucket test.

    Try it once without the pump and once with, just to make sure your guess about it being in the plumbing is correct.

    The way you test the return is to cut the lines at the equipment end, block that line off, then block off skimmers, and perform a pressure test just as plumbers do on water and gas lines.

    You may find it is easier to call American Leak Detection to have them find the leak for you. It should run around $400.
    Built in 1957 44,000 gallon in-ground, Wet Edge Primera Stone in Sky Blue, Intelliflo VF Pump, 600 lb. Pentair Triton II TR-100 Sand Filter, CircuPool RG 60 Plus SWG, TF-100 test kit
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  3. Back To Top    #3
    mark-o's Avatar
    Join Date
    Jun 2014
    Bossier Louisiana

    Re: Leak Detection

    I had American Leak Detection come out and hunt down a leak for me 2 months ago and it cost $325. They used inflatable plugs on the three returns and applied pressure through the pump basket without cutting any pipes. These guys had some really cool tools and methods for finding the leaks. After pressure test passed he got in the pool and before getting his air rigged up to dive he found a seam separated on a 1 week old liner. Good luck.
    16 x 36 inground vinyl w/ covered steps. 9 1/2 ft deep end w/ diving board. 27,000 gal.
    PacFab Challenger 1 1/2 hp 2 speed pump, Pureflo 300 lb sand filter, Pentair chlorine feeder
    1 skimmer, 1 main drain, 3 return lines and NO LEAKS "knock on wood" LOL.

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