Leak in in-ground pool. Stumped

Ldecicco

Member
Dec 5, 2020
15
Sacramento
2 months ago, I noticed a leak of 2.5 inches per day so I called a leak detection company. They 1) pressurized all my pipes (passed) 2) conducted dye test on all jets around side of pool and skimmer basket (passed) and 3) used a microphone type device to listen for a leak at side jets and main drain (passed).

They suspected it was the seam where the skimmer basket meets tile in the opening so they epoxy’d it for 24 hours to see if leak would stop and it worked so I went ahead and got that regrouted and plastered which also worked.

Now, just last week I noticed I’m losing 2.5 inches per day. This time, I’m letting the leak drain the pool to see where it stops. I’m currently past the light which means it has to be the main drain I suppose but I’m confused on what exactly it could be down there since my pipes were just pressurized, and there’s no visible cracks. Where do I go from here?
 

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