Please help me diagnose this extremely frustrating leak

So, if the lens thread is broken like that, it would leak? I found a lens on Amazon. I hope this will resolve the leak.
That orange ring should be a sealing gasket. Without it being in place, or the lens tight enough against it, there is just a piece of conduit behind it that is open somewhere and would allow a leak.
 
PN1,

Does your spa stop leaking down with the water just below the light?

If it does, that is a pretty good indication that the light is the issue.

In my mind you want a lens on the light even if it is not the point of the leak.

I'd start by screwing in the old lens, if possible, or installing a new lens, and go from there.

Thanks,

Jim R.
 
I wonder if this is related. I had some channel drains put in last year and the contractor dug up this pipe (attached pics) which he said was likely just some extra pipe the pool builder put in but didn't need. It made sense to me at the time since the pipe was empty and had no wire or water going through it. The pipe ran from under my pool deck and then along the back of the house. It terminated a few feet away from the fiber optics transformer box.

So one end of the pipe wasn't connected to anything. At least that's what the contactor told me. Now I'm wondering if this is a conduit and perhaps he accidentally cut it and it didn't really terminate there (as seen in the picture), but instead connected to the fiber optic transformer. Therefore, if the spa light is leaking, it would be going right down into the ground through the conduit.

Does this make sense? Or is this pipe something else?

View attachment 467348View attachment 467349
Gray color seems to indicate that is conduit. It would have had a bundle of fibers in it that led from a tower somewhere in your yard to the lens. Since you're getting a new lens, give it a try. Should solve the issue. Tightening the lens usually involved a "pin" wrench, but I found that a pair of needle-nose pliers worked well. Just insert the tips into the two "holes" in the lens and tighten.
 
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