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Thread: Pool leak

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    Pool leak

    I have a 22K gallon inground gunite pool that is leaking. I am in the bay area, and the leak seems to have started since the recent earthquake we have a few weeks ago. I am trying to figure out the source of the leak. The pump is off and the leak did not stop at the skimmer. So I am thinking it could be one of 4 things:

    1. I have 2 cracks in the pool shell, that could have widened due to the earthquake

    2. The pipe connected to the main drain is leaking

    3. There is a leak in the return line (I plugged one of the returns. Need to get another expansion plug for the other one)

    4. Pool light niche

    I suspect it is the crack in the pool that might have gotten wider. I will run a more through dye test today. If that's the cause, is there a simple way to patch that (e.g., A+B putty)? The pool guy is recommending I replaster and move to fiberglass (estimated at $8K cost). It is an old pool and may need replastering soon anyway, but not sure I want to make that investment to solve for a leak.
    15K gal, IG, Pentair WhisperFlo, Cartridge Filter

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    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Central Minnesota

    Re: Pool leak

    I'd continue with your investigation as best you can. If you go the route of replaster and fiberglass, I would do whatever you can to write into the purchase agreement that the leak issue will be resolved as part of the contractor completing the job and getting paid. Why are they recommending fiberglass in addition to the repairs?
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

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    Re: Pool leak

    Did a dye test yesterday and looks like it may not be the cracks. I saw the die getting sucked behind the pool light, as well as the main drain. I am planning to let the water drop and see where it stops.
    15K gal, IG, Pentair WhisperFlo, Cartridge Filter

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    Re: Pool leak

    Ok. The level stopped close to the pool light. I think that is where the leak is. Any thoughts on how/ what to check for?
    15K gal, IG, Pentair WhisperFlo, Cartridge Filter

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