American Leak Detection was good. We were losing water from the pool, and the first time they came out they found that perhaps we were losing some through a leak by the skimmer. They epoxied it up, but that didn't do it, so they came back again. They pressure tested all the pipes, but there was nothing wrong there. They determined that the basis for the leak was a seal that was bad in one of the pumps. I replaced the pump, and that took care of it!
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