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Thread: Pool Light Leaking - above ground pool

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    Pool Light Leaking - above ground pool

    I'm in kind of a pickle with this one. Probably the one regret I have with my above ground pool was having the pool company install a light in it when the pool was built. The pool is about 6 years old and so is the light.
    The light is a Hayward SP056525A. My problem is the light is leaking pretty badly right now. Basically the light has two gaskets...one between the lens and the pool and then another between the pool liner and the pool wall and the lens housing slides through that. A locking ring on the outside of the pool then sucks them down on each other to seal out water. Two winters ago the the pool light cracked during the winter. I ordered a new lens at that time with a new gasket that goes between the lens and the liner. I used the original gasket that was between the pool liner and the pool wall when I replaced the broken lens.

    When I opened this spring the pool level had dropped down to the bottom edge of the light but I saw no signs of a leak. I tightened the lock ring by hand a little bit and filled the pool above the light with no leaks. However now that we are actually using the pool there is a very steady leak coming down the outside pool wall from the light. If I wiggle the light around a little the rate of flow from the leak varies but I can never get it to stop. It's fast enough not to be a drip but rather a thin steady line of water following the pool wall down.

    My problem is water supply more than anything. I have a well for water and it really can't support refilling the pool back up if I were to drain it down below the light to work on it and then need to refill. I would say the light is a good 12 inches below the surface. To use the well that much will make it run dry temporarily and I don't want to stress it that hard. I've had to use it quite a bit recently to top my pool off after vacuuming to waste and if I run it more than an hour or so it will stop. Water pressure usually returns in about 15 minutes after turning the hose off. I can't pay to have water brought in because that is about $300 minimum.

    I wouldn't call the leak an emergency but I do worry about it damaging the pool - both around the light itself and the ground at the bottom where the leak runs. I think the pool is aluminum. It's not steel.
    I'd really like to fix the leak though. So one challenge is how can I do this without draining the pool down? I was thinking maybe I can take like a plastic bin and cut one end off it. Put it up around the area of the light with access down through the piece I cut out of the bin. Someone in the pool could press it up against the pool wall and then we can either scoop or pump out the water around the light and work on it (would take 3 people).

    The other issue is I don't know what exactly is causing the leak. The outside gasket between the lens and pool liner looks perfectly fine and snug. Could the light have a hairline crack in it? The inside of the lens is perfect dry. The leak comes out from under the locking nut on the outside. So the water appears to be riding the outside edge of the lens somehow.

    The other thing I was wondering is if there is any way to remove the light all together and put some sort of filler item in it's place to block the hole without leaking until I eventually change the liner some day and get rid of it all together. The parts for this light are very expensive. Just the gaskets are about $40 for two and I don't even know if the gaskets are the problem.

    Below is a picture of the light on the outside. It's actually under my deck. The light itself is not on it, just the lens and lock ring. The pictures does not show the leak for some reason.

    30' Round, Hayward S180 Sand Filter w/ 1.5hp single speed Hayward pump

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    Casey's Avatar
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    Re: Pool Light Leaking - above ground pool

    This is very interesting as I have never, ever seen this type of light for an above ground pool!

    The only thing I can offer on trying to fix it is replacing the gaskets.

    If you want to get rid of it, you can drain the pool down this fall, pull the liner back and attach metal sheeting and use rivots to attach it to the pool wall. Duct tape around it and reattach the liner and patch the liner or buy a new liner. If you use the same liner, that would leave a pretty big hole to patch.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Re: Pool Light Leaking - above ground pool

    Hate to revive an old thread but the exact same thing just happened to me (but my light is only two years old grrrrr). I was wondering what your solution was?

    I was wondering if I could do a temporary fix by applying some underwater epoxy around the outside of the lens. This way I don't need to drain the pool mid season. Do you think that would work? Also how easy would it be to get off the epoxy when I want to make a more permanent solution.
    27' AG Round (~17000 Gallons or 64000 L)
    Hayward 1.5 HP Power Flo Matrix Pump (2 speed usually run 6hrs high 18hrs low)
    Hayward CC150CAN XStream Cartridge Filter (150 ft^2 120 GPM)
    Hayward AquaTrol SWG
    Installed April 2012

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    Re: Pool Light Leaking - above ground pool

    Another old thread reviver, but my searches keep bringing me back here, so... I am in a pretty similar situation, but my light hole has rust all around it, and an inch or two of wall has chipped away just below the light fixture, causing and uneven pull and not allowing the gasket to completely seal anymore. For reference the light is about half-way up the pool wall. If I were to add a piece of metal sheeting, would I have to drain the whole pool and use a new liner? Or could you just drain the pool to a couple inches below the hole and undo a small section of the liner? Or would this be impossible to get the liner back up onto the track? Any other ideas out there to get rid of this light without replacing the liner?

    Thanks.

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    Re: Pool Light Leaking - above ground pool

    How does -- it depends sound like?

    New Liner -- depends on the age and condition of the existing liner.

    Placing a new section of metal in the wall -- not a bad idea but --- I would have concerns you will ever be able to get the liner back-- the portion of the liner that you would have to unlock would probably be so large as to be extremely difficult to replace -- so possible but difficult to unlikely.
    22k gallon IG pebblefina, Jandy 1.5 HP VS, Jandy CV Cartridge filter, Fafco solar panels, Polaris 360 supply side cleaner, waterfall

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    Re: Pool Light Leaking - above ground pool

    Quote Originally Posted by gwegan View Post
    How does -- it depends sound like?

    New Liner -- depends on the age and condition of the existing liner.

    Placing a new section of metal in the wall -- not a bad idea but --- I would have concerns you will ever be able to get the liner back-- the portion of the liner that you would have to unlock would probably be so large as to be extremely difficult to replace -- so possible but difficult to unlikely.
    Ya, kind of what I figured. As a temporary solution until a new liner is decided upon, what would be the biggest hole you would patch without replacing the liner? Quarter size? fist size? Because if I could make the hole a little bigger and squeeze a metal plate in there a little bit past the rust, then patch that little bit bigger hole up, would it hold?

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    Re: Pool Light Leaking - above ground pool

    I'm not sure that is a good idea. I would not want to mess too much with an old liner. They are rather unpredictable.

    How are you planning to attach the metal plate?
    22k gallon IG pebblefina, Jandy 1.5 HP VS, Jandy CV Cartridge filter, Fafco solar panels, Polaris 360 supply side cleaner, waterfall

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